diff --git a/src/components/modals/binaural/binaural.tsx b/src/components/modals/binaural/binaural.tsx
index 70512b4..ced84e2 100644
--- a/src/components/modals/binaural/binaural.tsx
+++ b/src/components/modals/binaural/binaural.tsx
@@ -1,5 +1,5 @@
 import { useEffect, useState, useRef, useCallback } from 'react';
-
+import { useTranslation } from 'react-i18next';
 import { Modal } from '@/components/modal';
 import { Slider } from '@/components/slider';
 
@@ -14,15 +14,46 @@ interface Preset {
   baseFrequency: number;
   beatFrequency: number;
   name: string;
+  translationKey: string;
 }
 
 const presets: Preset[] = [
-  { baseFrequency: 100, beatFrequency: 2, name: 'Delta (Deep Sleep) 2 Hz' },
-  { baseFrequency: 100, beatFrequency: 5, name: 'Theta (Meditation) 5 Hz' },
-  { baseFrequency: 100, beatFrequency: 10, name: 'Alpha (Relaxation) 10 Hz' },
-  { baseFrequency: 100, beatFrequency: 20, name: 'Beta (Focus) 20 Hz' },
-  { baseFrequency: 100, beatFrequency: 40, name: 'Gamma (Cognition) 40 Hz' },
-  { baseFrequency: 440, beatFrequency: 10, name: 'Custom' },
+  {
+    baseFrequency: 100,
+    beatFrequency: 2,
+    name: 'Delta (Deep Sleep) 2 Hz',
+    translationKey: 'modals.generators.presets.delta',
+  },
+  {
+    baseFrequency: 100,
+    beatFrequency: 5,
+    name: 'Theta (Meditation) 5 Hz',
+    translationKey: 'modals.generators.presets.theta',
+  },
+  {
+    baseFrequency: 100,
+    beatFrequency: 10,
+    name: 'Alpha (Relaxation) 10 Hz',
+    translationKey: 'modals.generators.presets.alpha',
+  },
+  {
+    baseFrequency: 100,
+    beatFrequency: 20,
+    name: 'Beta (Focus) 20 Hz',
+    translationKey: 'modals.generators.presets.beta',
+  },
+  {
+    baseFrequency: 100,
+    beatFrequency: 40,
+    name: 'Gamma (Cognition) 40 Hz',
+    translationKey: 'modals.generators.presets.gamma',
+  },
+  {
+    baseFrequency: 440,
+    beatFrequency: 10,
+    name: 'Custom',
+    translationKey: 'modals.generators.presets.custom',
+  },
 ];
 
 function computeBinauralBeatOscillatorFrequencies(
@@ -36,6 +67,7 @@ function computeBinauralBeatOscillatorFrequencies(
 }
 
 export function BinauralModal({ onClose, show }: BinauralProps) {
+  const { t } = useTranslation();
   const [baseFrequency, setBaseFrequency] = useState<number>(440); // Default to A4 note
   const [beatFrequency, setBeatFrequency] = useState<number>(10); // Default to 10 Hz difference
   const [volume, setVolume] = useState<number>(0.5); // Default volume at 50%
@@ -145,15 +177,14 @@ export function BinauralModal({ onClose, show }: BinauralProps) {
   }, [selectedPreset]);
 
   const handlePresetChange = (e: React.ChangeEvent<HTMLSelectElement>) => {
-    const selected = e.target.value;
-    setSelectedPreset(selected);
+    const selectedName = e.target.value;
+    setSelectedPreset(selectedName);
 
-    if (selected === 'Custom') {
-      // Allow user to input custom frequencies
+    if (selectedName === 'Custom') {
       return;
     }
 
-    const preset = presets.find(p => p.name === selected);
+    const preset = presets.find(p => p.name === selectedName);
     if (preset) {
       setBaseFrequency(preset.baseFrequency);
       setBeatFrequency(preset.beatFrequency);
@@ -163,17 +194,17 @@ export function BinauralModal({ onClose, show }: BinauralProps) {
   return (
     <Modal show={show} onClose={onClose}>
       <header className={styles.header}>
-        <h2 className={styles.title}>Binaural Beat</h2>
-        <p className={styles.desc}>Binaural beat generator.</p>
+        <h2 className={styles.title}>{t('modals.binaural.title')}</h2>
+        <p className={styles.desc}>{t('modals.binaural.description')}</p>
       </header>
 
       <div className={styles.fieldWrapper}>
         <label>
-          Presets:
+          {t('modals.generators.presets-label')}
           <select value={selectedPreset} onChange={handlePresetChange}>
             {presets.map(preset => (
               <option key={preset.name} value={preset.name}>
-                {preset.name}
+                {t(preset.translationKey)}
               </option>
             ))}
           </select>
@@ -183,7 +214,7 @@ export function BinauralModal({ onClose, show }: BinauralProps) {
         <>
           <div className={styles.fieldWrapper}>
             <label>
-              Base Frequency (Hz):
+              {t('modals.generators.base-frequency-label')}
               <input
                 max="1500"
                 min="20"
@@ -198,7 +229,7 @@ export function BinauralModal({ onClose, show }: BinauralProps) {
           </div>
           <div className={styles.fieldWrapper}>
             <label>
-              Beat Frequency (Hz):
+              {t('modals.binaural.beat-frequency-label')}
               <input
                 max="40"
                 min="0.1"
@@ -213,9 +244,10 @@ export function BinauralModal({ onClose, show }: BinauralProps) {
           </div>
         </>
       )}
+
       <div className={styles.fieldWrapper}>
         <label>
-          Volume:
+          {t('modals.generators.volume-label')}
           <Slider
             className={styles.volume}
             max={1}
@@ -232,10 +264,10 @@ export function BinauralModal({ onClose, show }: BinauralProps) {
           disabled={isPlaying}
           onClick={startSound}
         >
-          Start
+          {t('common.start')}
         </button>
         <button disabled={!isPlaying} onClick={stopSound}>
-          Stop
+          {t('common.stop')}
         </button>
       </div>
     </Modal>
diff --git a/src/components/modals/breathing/breathing.tsx b/src/components/modals/breathing/breathing.tsx
index 6acd11b..f53a4a4 100644
--- a/src/components/modals/breathing/breathing.tsx
+++ b/src/components/modals/breathing/breathing.tsx
@@ -1,3 +1,4 @@
+import { useTranslation } from 'react-i18next';
 import { Modal } from '@/components/modal';
 import { Exercise } from './exercise';
 
@@ -9,9 +10,12 @@ interface TimerProps {
 }
 
 export function BreathingExerciseModal({ onClose, show }: TimerProps) {
+  const { t } = useTranslation(); // Get t function
   return (
     <Modal show={show} onClose={onClose}>
-      <h2 className={styles.title}>Breathing Exercise</h2>
+      <h2 className={styles.title || 'modal-title'}>
+        {t('modals.breathing.title')}
+      </h2>
       <Exercise />
     </Modal>
   );
diff --git a/src/components/modals/breathing/exercise/exercise.tsx b/src/components/modals/breathing/exercise/exercise.tsx
index 3920b27..cd95245 100644
--- a/src/components/modals/breathing/exercise/exercise.tsx
+++ b/src/components/modals/breathing/exercise/exercise.tsx
@@ -1,8 +1,7 @@
 import { useState, useEffect, useMemo, useCallback } from 'react';
 import { motion } from 'framer-motion';
-
+import { useTranslation } from 'react-i18next'; // Import
 import { padNumber } from '@/helpers/number';
-
 import styles from './exercise.module.css';
 
 type Exercise = 'Box Breathing' | 'Resonant Breathing' | '4-7-8 Breathing';
@@ -17,21 +16,27 @@ const EXERCISE_PHASES: Record<Exercise, Phase[]> = {
 const EXERCISE_DURATIONS: Record<Exercise, Partial<Record<Phase, number>>> = {
   '4-7-8 Breathing': { exhale: 8, holdInhale: 7, inhale: 4 },
   'Box Breathing': { exhale: 4, holdExhale: 4, holdInhale: 4, inhale: 4 },
-  'Resonant Breathing': { exhale: 5, inhale: 5 }, // No holdExhale
+  'Resonant Breathing': { exhale: 5, inhale: 5 },
 };
 
-const PHASE_LABELS: Record<Phase, string> = {
-  exhale: 'Exhale',
-  holdExhale: 'Hold',
-  holdInhale: 'Hold',
-  inhale: 'Inhale',
+const PHASE_LABEL_KEYS: Record<Phase, string> = {
+  exhale: 'modals.breathing.phases.exhale',
+  holdExhale: 'modals.breathing.phases.hold',
+  holdInhale: 'modals.breathing.phases.hold',
+  inhale: 'modals.breathing.phases.inhale',
 };
 
+const EXERCISE_SELECT_OPTIONS: { key: string; value: Exercise }[] = [
+  { key: 'modals.breathing.exercises.478', value: '4-7-8 Breathing' },
+  { key: 'modals.breathing.exercises.box', value: 'Box Breathing' },
+  { key: 'modals.breathing.exercises.resonant', value: 'Resonant Breathing' },
+];
+
 export function Exercise() {
+  const { t } = useTranslation();
   const [selectedExercise, setSelectedExercise] =
     useState<Exercise>('4-7-8 Breathing');
   const [phaseIndex, setPhaseIndex] = useState(0);
-
   const phases = useMemo(
     () => EXERCISE_PHASES[selectedExercise],
     [selectedExercise],
@@ -92,6 +97,8 @@ export function Exercise() {
     return () => clearInterval(interval);
   }, []);
 
+  const currentPhaseLabel = t(PHASE_LABEL_KEYS[currentPhase]);
+
   return (
     <>
       <div className={styles.exercise}>
@@ -105,7 +112,7 @@ export function Exercise() {
           key={selectedExercise}
           variants={animationVariants}
         />
-        <p className={styles.phase}>{PHASE_LABELS[currentPhase]}</p>
+        <p className={styles.phase}>{currentPhaseLabel}</p>
       </div>
 
       <div className={styles.selectWrapper}>
@@ -114,9 +121,9 @@ export function Exercise() {
           value={selectedExercise}
           onChange={e => setSelectedExercise(e.target.value as Exercise)}
         >
-          {Object.keys(EXERCISE_PHASES).map(exercise => (
-            <option key={exercise} value={exercise}>
-              {exercise}
+          {EXERCISE_SELECT_OPTIONS.map(option => (
+            <option key={option.value} value={option.value}>
+              {t(option.key)}
             </option>
           ))}
         </select>
diff --git a/src/components/modals/isochronic/isochronic.tsx b/src/components/modals/isochronic/isochronic.tsx
index 75222e9..63ca203 100644
--- a/src/components/modals/isochronic/isochronic.tsx
+++ b/src/components/modals/isochronic/isochronic.tsx
@@ -1,5 +1,5 @@
 import { useEffect, useState, useRef, useCallback } from 'react';
-
+import { useTranslation } from 'react-i18next';
 import { Modal } from '@/components/modal';
 import { Slider } from '@/components/slider';
 
@@ -14,18 +14,50 @@ interface Preset {
   baseFrequency: number;
   beatFrequency: number;
   name: string;
+  translationKey: string;
 }
 
 const presets: Preset[] = [
-  { baseFrequency: 100, beatFrequency: 2, name: 'Delta (Deep Sleep) 2 Hz' },
-  { baseFrequency: 100, beatFrequency: 5, name: 'Theta (Meditation) 5 Hz' },
-  { baseFrequency: 100, beatFrequency: 10, name: 'Alpha (Relaxation) 10 Hz' },
-  { baseFrequency: 100, beatFrequency: 20, name: 'Beta (Focus) 20 Hz' },
-  { baseFrequency: 100, beatFrequency: 40, name: 'Gamma (Cognition) 40 Hz' },
-  { baseFrequency: 440, beatFrequency: 10, name: 'Custom' },
+  {
+    baseFrequency: 100,
+    beatFrequency: 2,
+    name: 'Delta (Deep Sleep) 2 Hz',
+    translationKey: 'modals.generators.presets.delta',
+  },
+  {
+    baseFrequency: 100,
+    beatFrequency: 5,
+    name: 'Theta (Meditation) 5 Hz',
+    translationKey: 'modals.generators.presets.theta',
+  },
+  {
+    baseFrequency: 100,
+    beatFrequency: 10,
+    name: 'Alpha (Relaxation) 10 Hz',
+    translationKey: 'modals.generators.presets.alpha',
+  },
+  {
+    baseFrequency: 100,
+    beatFrequency: 20,
+    name: 'Beta (Focus) 20 Hz',
+    translationKey: 'modals.generators.presets.beta',
+  },
+  {
+    baseFrequency: 100,
+    beatFrequency: 40,
+    name: 'Gamma (Cognition) 40 Hz',
+    translationKey: 'modals.generators.presets.gamma',
+  },
+  {
+    baseFrequency: 440,
+    beatFrequency: 10,
+    name: 'Custom',
+    translationKey: 'modals.generators.presets.custom',
+  },
 ];
 
 export function IsochronicModal({ onClose, show }: IsochronicProps) {
+  const { t } = useTranslation();
   const [baseFrequency, setBaseFrequency] = useState<number>(440); // Default A4 note
   const [beatFrequency, setBeatFrequency] = useState<number>(10); // Default 10 Hz beat
   const [volume, setVolume] = useState<number>(0.5); // Default volume at 50%
@@ -164,17 +196,17 @@ export function IsochronicModal({ onClose, show }: IsochronicProps) {
   return (
     <Modal show={show} onClose={onClose}>
       <header className={styles.header}>
-        <h2 className={styles.title}>Isochronic Tone</h2>
-        <p className={styles.desc}>Isochronic tone generator.</p>
+        <h2 className={styles.title}>{t('modals.isochronic.title')}</h2>
+        <p className={styles.desc}>{t('modals.isochronic.description')}</p>
       </header>
 
       <div className={styles.fieldWrapper}>
         <label>
-          Presets:
+          {t('modals.generators.presets-label')} {/* Use common key */}
           <select value={selectedPreset} onChange={handlePresetChange}>
             {presets.map(preset => (
               <option key={preset.name} value={preset.name}>
-                {preset.name}
+                {t(preset.translationKey)}
               </option>
             ))}
           </select>
@@ -184,7 +216,8 @@ export function IsochronicModal({ onClose, show }: IsochronicProps) {
         <>
           <div className={styles.fieldWrapper}>
             <label>
-              Base Frequency (Hz):
+              {t('modals.generators.base-frequency-label')}{' '}
+              {/* Use common key */}
               <input
                 max="2000"
                 min="20"
@@ -199,7 +232,8 @@ export function IsochronicModal({ onClose, show }: IsochronicProps) {
           </div>
           <div className={styles.fieldWrapper}>
             <label>
-              Tone Frequency (Hz):
+              {t('modals.isochronic.tone-frequency-label')}{' '}
+              {/* Use isochronic specific key */}
               <input
                 max="40"
                 min="0.1"
@@ -230,7 +264,7 @@ export function IsochronicModal({ onClose, show }: IsochronicProps) {
       )}
       <div className={styles.fieldWrapper}>
         <label>
-          Volume:
+          {t('modals.generators.volume-label')} {/* Use common key */}
           <Slider
             className={styles.volume}
             max={1}
@@ -241,16 +275,17 @@ export function IsochronicModal({ onClose, show }: IsochronicProps) {
           />
         </label>
       </div>
+
       <div className={styles.buttons}>
         <button
           className={styles.primary}
           disabled={isPlaying}
           onClick={startSound}
         >
-          Start
+          {t('common.start')}
         </button>
         <button disabled={!isPlaying} onClick={stopSound}>
-          Stop
+          {t('common.stop')}
         </button>
       </div>
     </Modal>
diff --git a/src/components/modals/presets/list/list.tsx b/src/components/modals/presets/list/list.tsx
index 02d8bd4..72f1cb5 100644
--- a/src/components/modals/presets/list/list.tsx
+++ b/src/components/modals/presets/list/list.tsx
@@ -1,15 +1,17 @@
 import { FaPlay, FaRegTrashAlt } from 'react-icons/fa/index';
-
+import { useTranslation } from 'react-i18next';
 import styles from './list.module.css';
 
 import { useSoundStore } from '@/stores/sound';
 import { usePresetStore } from '@/stores/preset';
+import { Tooltip } from '@/components/tooltip';
 
 interface ListProps {
   close: () => void;
 }
 
 export function List({ close }: ListProps) {
+  const { t } = useTranslation();
   const presets = usePresetStore(state => state.presets);
   const changeName = usePresetStore(state => state.changeName);
   const deletePreset = usePresetStore(state => state.deletePreset);
@@ -19,34 +21,57 @@ export function List({ close }: ListProps) {
   return (
     <div className={styles.list}>
       <h3 className={styles.title}>
-        Your Presets {presets.length > 0 && `(${presets.length})`}
+        {t('modals.presets.your-presets-title')}{' '}
+        {presets.length > 0 && `(${presets.length})`}
       </h3>
 
       {!presets.length && (
-        <p className={styles.empty}>You don&apos;t have any presets yet.</p>
+        <p className={styles.empty}>{t('modals.presets.empty')}</p>
       )}
 
       {presets.map(preset => (
         <div className={styles.preset} key={preset.id}>
           <input
-            placeholder="Untitled"
+            placeholder={t('common.untitled')}
             type="text"
             value={preset.label}
             onChange={e => changeName(preset.id, e.target.value)}
           />
-          <button onClick={() => deletePreset(preset.id)}>
-            <FaRegTrashAlt />
-          </button>
-          <button
-            className={styles.primary}
-            onClick={() => {
-              override(preset.sounds);
-              play();
-              close();
-            }}
+          <Tooltip
+            showDelay={0}
+            content={
+              t('modals.presets.delete-button-tooltip') || 'Delete preset'
+            }
           >
-            <FaPlay />
-          </button>
+            <button
+              aria-label={
+                t('modals.presets.delete-button-aria-label') ||
+                `Delete preset ${preset.label || t('common.untitled')}`
+              }
+              onClick={() => deletePreset(preset.id)}
+            >
+              <FaRegTrashAlt />
+            </button>
+          </Tooltip>
+          <Tooltip
+            content={t('modals.presets.play-button-tooltip') || 'Play preset'}
+            showDelay={0}
+          >
+            <button
+              className={styles.primary}
+              aria-label={
+                t('modals.presets.play-button-aria-label') ||
+                `Play preset ${preset.label || t('common.untitled')}`
+              }
+              onClick={() => {
+                override(preset.sounds);
+                play();
+                close();
+              }}
+            >
+              <FaPlay />
+            </button>
+          </Tooltip>
         </div>
       ))}
     </div>
diff --git a/src/components/modals/presets/new/new.tsx b/src/components/modals/presets/new/new.tsx
index 5a3357a..94fb0d6 100644
--- a/src/components/modals/presets/new/new.tsx
+++ b/src/components/modals/presets/new/new.tsx
@@ -1,5 +1,5 @@
 import { useState, type FormEvent } from 'react';
-
+import { useTranslation } from 'react-i18next';
 import { cn } from '@/helpers/styles';
 import { useSoundStore } from '@/stores/sound';
 import { usePresetStore } from '@/stores/preset';
@@ -7,6 +7,7 @@ import { usePresetStore } from '@/stores/preset';
 import styles from './new.module.css';
 
 export function New() {
+  const { t } = useTranslation();
   const [name, setName] = useState('');
 
   const noSelected = useSoundStore(state => state.noSelected());
@@ -33,7 +34,7 @@ export function New() {
 
   return (
     <div className={styles.new}>
-      <h3 className={styles.title}>New Preset</h3>
+      <h3 className={styles.title}>{t('modals.presets.new-preset-title')}</h3>
 
       <form
         className={cn(styles.form, noSelected && styles.disabled)}
@@ -41,18 +42,18 @@ export function New() {
       >
         <input
           disabled={noSelected}
-          placeholder="Preset's Name"
+          placeholder={t('modals.presets.placeholder')}
           required
           type="text"
           value={name}
           onChange={e => setName(e.target.value)}
         />
-        <button disabled={noSelected}>Save</button>
+        <button disabled={noSelected}>{t('common.save')}</button>
       </form>
 
       {noSelected && (
         <p className={styles.noSelected}>
-          To make a preset, first select some sounds.
+          {t('modals.presets.no-selected-warning')}
         </p>
       )}
     </div>
diff --git a/src/components/modals/presets/presets.tsx b/src/components/modals/presets/presets.tsx
index d72da7c..38b81e3 100644
--- a/src/components/modals/presets/presets.tsx
+++ b/src/components/modals/presets/presets.tsx
@@ -1,3 +1,4 @@
+import { useTranslation } from 'react-i18next';
 import { Modal } from '@/components/modal';
 import { New } from './new';
 import { List } from './list';
@@ -10,9 +11,11 @@ interface PresetsModalProps {
 }
 
 export function PresetsModal({ onClose, show }: PresetsModalProps) {
+  const { t } = useTranslation();
+
   return (
     <Modal show={show} onClose={onClose}>
-      <h2 className={styles.title}>Presets</h2>
+      <h2 className={styles.title}>{t('modals.presets.title')}</h2>
       <New />
       <div className={styles.divider} />
       <List close={onClose} />
diff --git a/src/components/modals/share-link/share-link.tsx b/src/components/modals/share-link/share-link.tsx
index 8a75960..ed11f6e 100644
--- a/src/components/modals/share-link/share-link.tsx
+++ b/src/components/modals/share-link/share-link.tsx
@@ -1,12 +1,13 @@
 import { useMemo, useEffect, useState } from 'react';
 import { IoCopyOutline, IoCheckmark } from 'react-icons/io5/index';
-
+import { useTranslation } from 'react-i18next';
 import { Modal } from '@/components/modal';
 
 import { useCopy } from '@/hooks/use-copy';
 import { useSoundStore } from '@/stores/sound';
 
 import styles from './share-link.module.css';
+import { Tooltip } from '@/components/tooltip'; // Import Tooltip
 
 interface ShareLinkModalProps {
   onClose: () => void;
@@ -14,6 +15,7 @@ interface ShareLinkModalProps {
 }
 
 export function ShareLinkModal({ onClose, show }: ShareLinkModalProps) {
+  const { t } = useTranslation();
   const [isMounted, setIsMounted] = useState(false);
   const sounds = useSoundStore(state => state.sounds);
   const { copy, copying } = useCopy();
@@ -51,16 +53,25 @@ export function ShareLinkModal({ onClose, show }: ShareLinkModalProps) {
 
   return (
     <Modal show={show} onClose={onClose}>
-      <h1 className={styles.heading}>Share your sound selection!</h1>
-      <p className={styles.desc}>
-        Copy and send the following link to the person you want to share your
-        selection with.
-      </p>
+      <h1 className={styles.heading}>{t('modals.share-link.title')}</h1>
+      <p className={styles.desc}>{t('modals.share-link.description')}</p>
       <div className={styles.inputWrapper}>
         <input readOnly type="text" value={url} />
-        <button onClick={() => copy(url)}>
-          {copying ? <IoCheckmark /> : <IoCopyOutline />}
-        </button>
+        <Tooltip
+          content={copying ? t('common.copied') : t('common.copy')}
+          showDelay={0}
+        >
+          <button
+            aria-label={
+              copying
+                ? t('common.copied')
+                : t('modals.share-link.copy-button-aria-label')
+            }
+            onClick={() => copy(url)}
+          >
+            {copying ? <IoCheckmark /> : <IoCopyOutline />}
+          </button>
+        </Tooltip>
       </div>
     </Modal>
   );
diff --git a/src/components/modals/shared/shared.tsx b/src/components/modals/shared/shared.tsx
index 45021be..dc41caa 100644
--- a/src/components/modals/shared/shared.tsx
+++ b/src/components/modals/shared/shared.tsx
@@ -1,5 +1,5 @@
 import { useState, useEffect } from 'react';
-
+import { useTranslation } from 'react-i18next';
 import { Modal } from '@/components/modal';
 
 import { useSoundStore } from '@/stores/sound';
@@ -11,14 +11,16 @@ import { sounds } from '@/data/sounds';
 import styles from './shared.module.css';
 
 export function SharedModal() {
+  const { t } = useTranslation(); // Get t function
   const override = useSoundStore(state => state.override);
   const showSnackbar = useSnackbar();
 
   const [isOpen, setIsOpen] = useState(false);
+
   const [sharedSounds, setSharedSounds] = useState<
     Array<{
       id: string;
-      label: string;
+      labelKey: string;
       volume: number;
     }>
   >([]);
@@ -30,26 +32,26 @@ export function SharedModal() {
     if (share) {
       try {
         const parsed = JSON.parse(decodeURIComponent(share));
-        const allSounds: Record<string, string> = {};
-
+        // Map sound IDs to their labelKeys for quick lookup
+        const allSoundLabelKeys: Record<string, string> = {};
         sounds.categories.forEach(category => {
           category.sounds.forEach(sound => {
-            allSounds[sound.id] = sound.label;
+            allSoundLabelKeys[sound.id] = sound.labelKey; // Get the labelKey
           });
         });
 
         const _sharedSounds: Array<{
           id: string;
-          label: string;
+          labelKey: string;
           volume: number;
         }> = [];
-
-        Object.keys(parsed).forEach(sound => {
-          if (allSounds[sound]) {
+        Object.keys(parsed).forEach(soundId => {
+          // Check if the soundId exists and has a labelKey
+          if (allSoundLabelKeys[soundId]) {
             _sharedSounds.push({
-              id: sound,
-              label: allSounds[sound],
-              volume: Number(parsed[sound]),
+              id: soundId,
+              labelKey: allSoundLabelKeys[soundId], // Store the key
+              volume: Number(parsed[soundId]),
             });
           }
         });
@@ -59,12 +61,13 @@ export function SharedModal() {
           setSharedSounds(_sharedSounds);
         }
       } catch (error) {
-        return;
+        console.error('Error parsing shared URL:', error); // Log error
+        return; // Stop execution if parsing fails
       } finally {
         history.pushState({}, '', location.href.split('?')[0]);
       }
     }
-  }, []);
+  }, []); // Run only once on mount
 
   const handleOverride = () => {
     const newSounds: Record<string, number> = {};
@@ -75,34 +78,31 @@ export function SharedModal() {
 
     override(newSounds);
     setIsOpen(false);
-    showSnackbar('Done! You can now play the new selection.');
+    showSnackbar(t('modals.shared.snackbar-message'));
   };
 
   useCloseListener(() => setIsOpen(false));
 
   return (
     <Modal show={isOpen} onClose={() => setIsOpen(false)}>
-      <h1 className={styles.heading}>New sound mix detected!</h1>
-      <p className={styles.desc}>
-        Someone has shared the following mix with you. Would you want to
-        override your current selection?
-      </p>
+      <h1 className={styles.heading}>{t('modals.shared.title')}</h1>
+      <p className={styles.desc}>{t('modals.shared.description')}</p>
       <div className={styles.sounds}>
         {sharedSounds.map(sound => (
           <div className={styles.sound} key={sound.id}>
-            {sound.label}
+            {t(sound.labelKey)}
           </div>
         ))}
       </div>
       <div className={styles.footer}>
         <button className={cn(styles.button)} onClick={() => setIsOpen(false)}>
-          Cancel
+          {t('common.cancel')}
         </button>
         <button
           className={cn(styles.button, styles.primary)}
           onClick={handleOverride}
         >
-          Override
+          {t('common.override')}
         </button>
       </div>
     </Modal>
diff --git a/src/components/modals/shortcuts/shortcuts.tsx b/src/components/modals/shortcuts/shortcuts.tsx
index 0c2d800..6eab2d3 100644
--- a/src/components/modals/shortcuts/shortcuts.tsx
+++ b/src/components/modals/shortcuts/shortcuts.tsx
@@ -1,69 +1,47 @@
-import { Modal } from '@/components/modal';
-
-import styles from './shortcuts.module.css';
+// src/components/modals/shortcuts/shortcuts.tsx
+import { useTranslation } from 'react-i18next';
+import { Modal } from '@/components/modal'; // Assuming Modal component is stable
+import styles from './shortcuts.module.css'; // Assuming styles are correct
 
 interface ShortcutsModalProps {
-  onClose: () => void;
-  show: boolean;
+  onClose: () => void; // Function to close the modal
+  show: boolean; // Boolean to control modal visibility
 }
 
+interface ShortcutItem {
+  keys: string[];
+  labelKey: string;
+}
+
+const shortcutsList: ShortcutItem[] = [
+  { keys: ['Shift', 'H'], labelKey: 'toolbar.items.shortcuts' }, // Reusing toolbar item key
+  { keys: ['Shift', 'Alt', 'P'], labelKey: 'toolbar.items.presets' },
+  { keys: ['Shift', 'S'], labelKey: 'toolbar.items.share' },
+  { keys: ['Shift', 'Alt', 'T'], labelKey: 'toolbar.items.sleep-timer' },
+  { keys: ['Shift', 'C'], labelKey: 'toolbar.items.countdown' },
+  { keys: ['Shift', 'P'], labelKey: 'toolbar.items.pomodoro' },
+  { keys: ['Shift', 'N'], labelKey: 'toolbar.items.notepad' },
+  { keys: ['Shift', 'T'], labelKey: 'toolbar.items.todo' },
+  { keys: ['Shift', 'B'], labelKey: 'toolbar.items.breathing' },
+  { keys: ['Shift', 'Space'], labelKey: 'modals.shortcuts.labels.toggle-play' }, // Specific key
+  { keys: ['Shift', 'R'], labelKey: 'modals.shortcuts.labels.unselect-all' }, // Specific key
+];
+
 export function ShortcutsModal({ onClose, show }: ShortcutsModalProps) {
-  const shortcuts = [
-    {
-      keys: ['Shift', 'H'],
-      label: 'Shortcuts List',
-    },
-    {
-      keys: ['Shift', 'Alt', 'P'],
-      label: 'Presets',
-    },
-    {
-      keys: ['Shift', 'S'],
-      label: 'Share Sounds',
-    },
-    {
-      keys: ['Shift', 'Alt', 'T'],
-      label: 'Sleep Timer',
-    },
-    {
-      keys: ['Shift', 'C'],
-      label: 'Countdown Timer',
-    },
-    {
-      keys: ['Shift', 'P'],
-      label: 'Pomodoro',
-    },
-    {
-      keys: ['Shift', 'N'],
-      label: 'Notepad',
-    },
-    {
-      keys: ['Shift', 'T'],
-      label: 'Todo Checklist',
-    },
-    {
-      keys: ['Shift', 'B'],
-      label: 'Breathing Exercise',
-    },
-    {
-      keys: ['Shift', 'Space'],
-      label: 'Toggle Play',
-    },
-    {
-      keys: ['Shift', 'R'],
-      label: 'Unselect All Sounds',
-    },
-  ];
+  const { t } = useTranslation();
 
   return (
     <Modal show={show} onClose={onClose}>
-      <h1 className={styles.heading}>Keyboard Shortcuts</h1>
+      <h1 className={styles.heading}>{t('modals.shortcuts.title')}</h1>
       <div className={styles.shortcuts}>
-        {shortcuts.map(shortcut => (
+        {shortcutsList.map(shortcut => (
+          // Render a Row for each shortcut item
+          // Use the labelKey as the React key for stability if IDs aren't available
           <Row
-            key={shortcut.label}
+            key={shortcut.labelKey}
             keys={shortcut.keys}
-            label={shortcut.label}
+            // Get the translated label using the defined labelKey
+            label={t(shortcut.labelKey)}
           />
         ))}
       </div>
@@ -90,10 +68,13 @@ function Row({ keys, label }: RowProps) {
   );
 }
 
+// Props for the Key component
 interface KeyProps {
-  children: React.ReactNode;
+  children: React.ReactNode; // The text content (key name)
 }
 
+// Component to render a single keyboard key representation
 function Key({ children }: KeyProps) {
+  // Simple div with styling for a key
   return <div className={styles.key}>{children}</div>;
 }
diff --git a/src/components/modals/sleep-timer/sleep-timer.tsx b/src/components/modals/sleep-timer/sleep-timer.tsx
index 83dd82b..20f6a2c 100644
--- a/src/components/modals/sleep-timer/sleep-timer.tsx
+++ b/src/components/modals/sleep-timer/sleep-timer.tsx
@@ -1,5 +1,5 @@
 import { useEffect, useState, useRef, useMemo } from 'react';
-
+import { useTranslation } from 'react-i18next';
 import { Modal } from '@/components/modal';
 import { Timer } from './timer';
 import { dispatch } from '@/lib/event';
@@ -15,7 +15,37 @@ interface SleepTimerModalProps {
   show: boolean;
 }
 
+interface FieldProps {
+  labelKey: string;
+  onChange: (value: string) => void;
+  value: string;
+}
+
+function Field({ labelKey, onChange, value }: FieldProps) {
+  const { t } = useTranslation();
+  const label = t(labelKey);
+  return (
+    <div className={styles.field}>
+      <label className={styles.label} htmlFor={labelKey}>
+        {' '}
+        {label}
+      </label>
+      <input
+        className={styles.input}
+        id={labelKey}
+        max="59"
+        min="0"
+        required
+        type="number"
+        value={value}
+        onChange={e => onChange(e.target.value === '' ? '' : e.target.value)}
+      />
+    </div>
+  );
+}
+
 export function SleepTimerModal({ onClose, show }: SleepTimerModalProps) {
+  const { t } = useTranslation();
   const setActive = useSleepTimerStore(state => state.set);
   const noSelected = useSoundStore(state => state.noSelected());
 
@@ -91,21 +121,27 @@ export function SleepTimerModal({ onClose, show }: SleepTimerModalProps) {
   return (
     <Modal show={show} onClose={onClose}>
       <header className={styles.header}>
-        <h2 className={styles.title}>Sleep Timer</h2>
-        <p className={styles.desc}>
-          Stop sounds after a certain amount of time.
-        </p>
+        <h2 className={styles.title}>{t('modals.sleep-timer.title')}</h2>
+        <p className={styles.desc}>{t('modals.sleep-timer.description')}</p>
       </header>
 
       <form onSubmit={handleSubmit}>
         <div className={styles.controls}>
           <div className={styles.inputs}>
             {!running && (
-              <Field label="Hours" value={hours} onChange={setHours} />
+              <Field
+                labelKey="modals.sleep-timer.hours-label"
+                value={hours}
+                onChange={setHours}
+              />
             )}
 
             {!running && (
-              <Field label="Minutes" value={minutes} onChange={setMinutes} />
+              <Field
+                labelKey="modals.sleep-timer.minutes-label"
+                value={minutes}
+                onChange={setMinutes}
+              />
             )}
           </div>
 
@@ -118,7 +154,7 @@ export function SleepTimerModal({ onClose, show }: SleepTimerModalProps) {
                 type="button"
                 onClick={handleReset}
               >
-                Reset
+                {t('common.reset')}
               </button>
             )}
 
@@ -127,7 +163,7 @@ export function SleepTimerModal({ onClose, show }: SleepTimerModalProps) {
                 className={cn(styles.button, styles.primary)}
                 type="submit"
               >
-                Start
+                {t('common.start')}
               </button>
             )}
           </div>
@@ -136,29 +172,3 @@ export function SleepTimerModal({ onClose, show }: SleepTimerModalProps) {
     </Modal>
   );
 }
-
-interface FieldProps {
-  label: string;
-  onChange: (value: string) => void;
-  value: string;
-}
-
-function Field({ label, onChange, value }: FieldProps) {
-  return (
-    <div className={styles.field}>
-      <label className={styles.label} htmlFor={label.toLocaleLowerCase()}>
-        {label}
-      </label>
-      <input
-        className={styles.input}
-        id={label.toLocaleLowerCase()}
-        max="59"
-        min="0"
-        required
-        type="number"
-        value={value}
-        onChange={e => onChange(e.target.value === '' ? '' : e.target.value)}
-      />
-    </div>
-  );
-}
diff --git a/src/components/toolbar/menu/items/binaural.tsx b/src/components/toolbar/menu/items/binaural.tsx
index cd75f3c..1de1766 100644
--- a/src/components/toolbar/menu/items/binaural.tsx
+++ b/src/components/toolbar/menu/items/binaural.tsx
@@ -1,5 +1,5 @@
 import { FaHeadphonesAlt } from 'react-icons/fa/index';
-
+import { useTranslation } from 'react-i18next';
 import { Item } from '../item';
 
 interface BinauralProps {
@@ -7,7 +7,13 @@ interface BinauralProps {
 }
 
 export function Binaural({ open }: BinauralProps) {
+  const { t } = useTranslation();
+
   return (
-    <Item icon={<FaHeadphonesAlt />} label="Binaural Beats" onClick={open} />
+    <Item
+      icon={<FaHeadphonesAlt />}
+      label={t('toolbar.items.binaural')}
+      onClick={open}
+    />
   );
 }
diff --git a/src/components/toolbar/menu/items/breathing-exercise.tsx b/src/components/toolbar/menu/items/breathing-exercise.tsx
index 5695afb..6b04490 100644
--- a/src/components/toolbar/menu/items/breathing-exercise.tsx
+++ b/src/components/toolbar/menu/items/breathing-exercise.tsx
@@ -1,5 +1,5 @@
 import { IoMdFlower } from 'react-icons/io/index';
-
+import { useTranslation } from 'react-i18next';
 import { Item } from '../item';
 
 interface BreathingExerciseProps {
@@ -7,10 +7,12 @@ interface BreathingExerciseProps {
 }
 
 export function BreathingExercise({ open }: BreathingExerciseProps) {
+  const { t } = useTranslation();
+
   return (
     <Item
       icon={<IoMdFlower />}
-      label="Breathing Exercise"
+      label={t('toolbar.items.breathing')}
       shortcut="Shift + B"
       onClick={open}
     />
diff --git a/src/components/toolbar/menu/items/countdown.tsx b/src/components/toolbar/menu/items/countdown.tsx
index cd3b1a6..2c44975 100644
--- a/src/components/toolbar/menu/items/countdown.tsx
+++ b/src/components/toolbar/menu/items/countdown.tsx
@@ -1,5 +1,5 @@
 import { MdOutlineTimer } from 'react-icons/md/index';
-
+import { useTranslation } from 'react-i18next';
 import { Item } from '../item';
 
 interface CountdownProps {
@@ -7,10 +7,12 @@ interface CountdownProps {
 }
 
 export function Countdown({ open }: CountdownProps) {
+  const { t } = useTranslation();
+
   return (
     <Item
       icon={<MdOutlineTimer />}
-      label="Countdown Timer"
+      label={t('toolbar.items.countdown')}
       shortcut="Shift + C"
       onClick={open}
     />
diff --git a/src/components/toolbar/menu/items/donate.tsx b/src/components/toolbar/menu/items/donate.tsx
index ee21235..cb3e03b 100644
--- a/src/components/toolbar/menu/items/donate.tsx
+++ b/src/components/toolbar/menu/items/donate.tsx
@@ -1,13 +1,15 @@
 import { SiBuymeacoffee } from 'react-icons/si/index';
-
+import { useTranslation } from 'react-i18next';
 import { Item } from '../item';
 
 export function Donate() {
+  const { t } = useTranslation();
+
   return (
     <Item
       href="https://buymeacoffee.com/remvze"
-      icon={<SiBuymeacoffee />}
-      label="Buy Me a Coffee"
+      icon={<SiBuymeacoffee />} // Icon
+      label={t('toolbar.items.buy-me-a-coffee')}
     />
   );
 }
diff --git a/src/components/toolbar/menu/items/isochronic.tsx b/src/components/toolbar/menu/items/isochronic.tsx
index 71427ac..7f7dadb 100644
--- a/src/components/toolbar/menu/items/isochronic.tsx
+++ b/src/components/toolbar/menu/items/isochronic.tsx
@@ -1,5 +1,5 @@
 import { TbWaveSine } from 'react-icons/tb/index';
-
+import { useTranslation } from 'react-i18next';
 import { Item } from '../item';
 
 interface IsochronicProps {
@@ -7,5 +7,13 @@ interface IsochronicProps {
 }
 
 export function Isochronic({ open }: IsochronicProps) {
-  return <Item icon={<TbWaveSine />} label="Isochronic Tones" onClick={open} />;
+  const { t } = useTranslation(); // Get t function
+
+  return (
+    <Item
+      icon={<TbWaveSine />}
+      label={t('toolbar.items.isochronic')}
+      onClick={open}
+    />
+  );
 }
diff --git a/src/components/toolbar/menu/items/notepad.tsx b/src/components/toolbar/menu/items/notepad.tsx
index ef0ff39..978f33d 100644
--- a/src/components/toolbar/menu/items/notepad.tsx
+++ b/src/components/toolbar/menu/items/notepad.tsx
@@ -1,5 +1,5 @@
 import { MdNotes } from 'react-icons/md/index';
-
+import { useTranslation } from 'react-i18next';
 import { Item } from '../item';
 
 import { useNoteStore } from '@/stores/note';
@@ -9,13 +9,14 @@ interface NotepadProps {
 }
 
 export function Notepad({ open }: NotepadProps) {
+  const { t } = useTranslation();
   const note = useNoteStore(state => state.note);
 
   return (
     <Item
       active={!!note.length}
       icon={<MdNotes />}
-      label="Notepad"
+      label={t('toolbar.items.notepad')}
       shortcut="Shift + N"
       onClick={open}
     />
diff --git a/src/components/toolbar/menu/items/pomodoro.tsx b/src/components/toolbar/menu/items/pomodoro.tsx
index 43473b5..f63e90b 100644
--- a/src/components/toolbar/menu/items/pomodoro.tsx
+++ b/src/components/toolbar/menu/items/pomodoro.tsx
@@ -1,7 +1,6 @@
 import { MdOutlineAvTimer } from 'react-icons/md/index';
-
+import { useTranslation } from 'react-i18next';
 import { Item } from '../item';
-
 import { usePomodoroStore } from '@/stores/pomodoro';
 
 interface PomodoroProps {
@@ -9,13 +8,14 @@ interface PomodoroProps {
 }
 
 export function Pomodoro({ open }: PomodoroProps) {
+  const { t } = useTranslation();
   const running = usePomodoroStore(state => state.running);
 
   return (
     <Item
       active={running}
       icon={<MdOutlineAvTimer />}
-      label="Pomodoro"
+      label={t('toolbar.items.pomodoro')}
       shortcut="Shift + P"
       onClick={open}
     />
diff --git a/src/components/toolbar/menu/items/presets.tsx b/src/components/toolbar/menu/items/presets.tsx
index a78b17d..cf405ad 100644
--- a/src/components/toolbar/menu/items/presets.tsx
+++ b/src/components/toolbar/menu/items/presets.tsx
@@ -1,5 +1,5 @@
 import { RiPlayListFill } from 'react-icons/ri/index';
-
+import { useTranslation } from 'react-i18next';
 import { Item } from '../item';
 
 interface PresetsProps {
@@ -7,10 +7,11 @@ interface PresetsProps {
 }
 
 export function Presets({ open }: PresetsProps) {
+  const { t } = useTranslation();
   return (
     <Item
       icon={<RiPlayListFill />}
-      label="Your Presets"
+      label={t('toolbar.items.presets')}
       shortcut="Shift + Alt + P"
       onClick={open}
     />
diff --git a/src/components/toolbar/menu/items/share.tsx b/src/components/toolbar/menu/items/share.tsx
index 7bda116..31b9084 100644
--- a/src/components/toolbar/menu/items/share.tsx
+++ b/src/components/toolbar/menu/items/share.tsx
@@ -1,5 +1,5 @@
 import { IoShareSocialSharp } from 'react-icons/io5/index';
-
+import { useTranslation } from 'react-i18next';
 import { Item } from '../item';
 
 import { useSoundStore } from '@/stores/sound';
@@ -9,13 +9,14 @@ interface ShareProps {
 }
 
 export function Share({ open }: ShareProps) {
+  const { t } = useTranslation();
   const noSelected = useSoundStore(state => state.noSelected());
 
   return (
     <Item
       disabled={noSelected}
       icon={<IoShareSocialSharp />}
-      label="Share Sounds"
+      label={t('toolbar.items.share')}
       shortcut="Shift + S"
       onClick={open}
     />
diff --git a/src/components/toolbar/menu/items/shortcuts.tsx b/src/components/toolbar/menu/items/shortcuts.tsx
index fc9f4e1..73c8b5c 100644
--- a/src/components/toolbar/menu/items/shortcuts.tsx
+++ b/src/components/toolbar/menu/items/shortcuts.tsx
@@ -1,5 +1,5 @@
 import { MdKeyboardCommandKey } from 'react-icons/md/index';
-
+import { useTranslation } from 'react-i18next';
 import { Item } from '../item';
 
 interface ShortcutsProps {
@@ -7,10 +7,12 @@ interface ShortcutsProps {
 }
 
 export function Shortcuts({ open }: ShortcutsProps) {
+  const { t } = useTranslation();
+
   return (
     <Item
       icon={<MdKeyboardCommandKey />}
-      label="Shortcuts"
+      label={t('toolbar.items.shortcuts')}
       shortcut="Shift + H"
       onClick={open}
     />
diff --git a/src/components/toolbar/menu/items/shuffle.tsx b/src/components/toolbar/menu/items/shuffle.tsx
index 722853d..bb51d22 100644
--- a/src/components/toolbar/menu/items/shuffle.tsx
+++ b/src/components/toolbar/menu/items/shuffle.tsx
@@ -1,10 +1,10 @@
 import { BiShuffle } from 'react-icons/bi/index';
-
+import { useTranslation } from 'react-i18next';
 import { useSoundStore } from '@/stores/sound';
-
 import { Item } from '../item';
 
 export function Shuffle() {
+  const { t } = useTranslation();
   const shuffle = useSoundStore(state => state.shuffle);
   const locked = useSoundStore(state => state.locked);
 
@@ -12,7 +12,7 @@ export function Shuffle() {
     <Item
       disabled={locked}
       icon={<BiShuffle />}
-      label="Shuffle Sounds"
+      label={t('toolbar.items.shuffle')}
       onClick={shuffle}
     />
   );
diff --git a/src/components/toolbar/menu/items/sleep-timer.tsx b/src/components/toolbar/menu/items/sleep-timer.tsx
index 0ecfa9b..2fcab9e 100644
--- a/src/components/toolbar/menu/items/sleep-timer.tsx
+++ b/src/components/toolbar/menu/items/sleep-timer.tsx
@@ -1,5 +1,5 @@
 import { IoMoonSharp } from 'react-icons/io5/index';
-
+import { useTranslation } from 'react-i18next';
 import { useSleepTimerStore } from '@/stores/sleep-timer';
 import { Item } from '../item';
 
@@ -8,13 +8,14 @@ interface SleepTimerProps {
 }
 
 export function SleepTimer({ open }: SleepTimerProps) {
+  const { t } = useTranslation();
   const active = useSleepTimerStore(state => state.active);
 
   return (
     <Item
       active={active}
       icon={<IoMoonSharp />}
-      label="Sleep Timer"
+      label={t('toolbar.items.sleep-timer')}
       shortcut="Shift + Alt + T"
       onClick={open}
     />
diff --git a/src/components/toolbar/menu/items/source.tsx b/src/components/toolbar/menu/items/source.tsx
index 668fcde..812be9c 100644
--- a/src/components/toolbar/menu/items/source.tsx
+++ b/src/components/toolbar/menu/items/source.tsx
@@ -1,13 +1,15 @@
 import { LuGithub } from 'react-icons/lu/index';
-
+import { useTranslation } from 'react-i18next';
 import { Item } from '../item';
 
 export function Source() {
+  const { t } = useTranslation();
+
   return (
     <Item
       href="https://github.com/remvze/moodist"
       icon={<LuGithub />}
-      label="Source Code"
+      label={t('toolbar.items.source-code')}
     />
   );
 }
diff --git a/src/components/toolbar/menu/items/todo.tsx b/src/components/toolbar/menu/items/todo.tsx
index f2dbc1e..fe5d2fc 100644
--- a/src/components/toolbar/menu/items/todo.tsx
+++ b/src/components/toolbar/menu/items/todo.tsx
@@ -1,5 +1,5 @@
 import { MdTaskAlt } from 'react-icons/md/index';
-
+import { useTranslation } from 'react-i18next';
 import { Item } from '../item';
 
 interface TodoProps {
@@ -7,10 +7,12 @@ interface TodoProps {
 }
 
 export function Todo({ open }: TodoProps) {
+  const { t } = useTranslation();
+
   return (
     <Item
       icon={<MdTaskAlt />}
-      label="Todo Checklist"
+      label={t('toolbar.items.todo')}
       shortcut="Shift + T"
       onClick={open}
     />
diff --git a/src/components/toolbar/menu/menu.tsx b/src/components/toolbar/menu/menu.tsx
index f7948f4..293129d 100644
--- a/src/components/toolbar/menu/menu.tsx
+++ b/src/components/toolbar/menu/menu.tsx
@@ -3,7 +3,7 @@ import { IoMenu, IoClose } from 'react-icons/io5/index';
 import * as DropdownMenu from '@radix-ui/react-dropdown-menu';
 import { useHotkeys } from 'react-hotkeys-hook';
 import { AnimatePresence, motion } from 'framer-motion';
-
+import { useTranslation } from 'react-i18next';
 import {
   ShuffleItem,
   ShareItem,
@@ -39,6 +39,7 @@ import { useCloseListener } from '@/hooks/use-close-listener';
 import { closeModals } from '@/lib/modal';
 
 export function Menu() {
+  const { t } = useTranslation();
   const [isOpen, setIsOpen] = useState(false);
 
   const noSelected = useSoundStore(state => state.noSelected());
@@ -100,7 +101,10 @@ export function Menu() {
       <div className={styles.wrapper}>
         <DropdownMenu.Root open={isOpen} onOpenChange={o => setIsOpen(o)}>
           <DropdownMenu.Trigger asChild>
-            <button aria-label="Menu" className={styles.menuButton}>
+            <button
+              aria-label={t('toolbar.menu-aria-label')}
+              className={styles.menuButton}
+            >
               {isOpen ? <IoClose /> : <IoMenu />}
             </button>
           </DropdownMenu.Trigger>
@@ -143,7 +147,9 @@ export function Menu() {
                     <Divider />
 
                     <div className={styles.globalVolume}>
-                      <label htmlFor="global-volume">Global Volume</label>
+                      <label htmlFor="global-volume">
+                        {t('toolbar.global-volume-label')}
+                      </label>
                       <Slider
                         max={100}
                         min={0}
diff --git a/src/components/toolbox/countdown/countdown.tsx b/src/components/toolbox/countdown/countdown.tsx
index 6a5ca1b..a6e32e8 100644
--- a/src/components/toolbox/countdown/countdown.tsx
+++ b/src/components/toolbox/countdown/countdown.tsx
@@ -1,5 +1,5 @@
 import { useState, useEffect, useCallback } from 'react';
-
+import { useTranslation } from 'react-i18next';
 import { Modal } from '@/components/modal';
 
 import { useSoundEffect } from '@/hooks/use-sound-effect';
@@ -14,6 +14,7 @@ interface CountdownProps {
 }
 
 export function Countdown({ onClose, show }: CountdownProps) {
+  const { t } = useTranslation();
   const [hours, setHours] = useState(0);
   const [minutes, setMinutes] = useState(0);
   const [seconds, setSeconds] = useState(0);
@@ -73,8 +74,8 @@ export function Countdown({ onClose, show }: CountdownProps) {
   return (
     <Modal show={show} onClose={onClose}>
       <header className={styles.header}>
-        <h2 className={styles.title}>Countdown Timer</h2>
-        <p className={styles.desc}>Super simple countdown timer.</p>
+        <h2 className={styles.title}>{t('modals.countdown.title')}</h2>
+        <p className={styles.desc}>{t('modals.countdown.description')}</p>
       </header>
 
       {isFormVisible ? (
@@ -82,21 +83,11 @@ export function Countdown({ onClose, show }: CountdownProps) {
           <div className={styles.inputContainer}>
             <input
               className={styles.input}
-              placeholder="HH"
+              placeholder={t('modals.countdown.placeholder-hh') || 'HH'} // Placeholder
               type="number"
-              value={hours}
-              onChange={e => setHours(Math.max(0, parseInt(e.target.value)))}
-            />
-
-            <span>:</span>
-
-            <input
-              className={styles.input}
-              placeholder="MM"
-              type="number"
-              value={minutes}
+              value={hours === 0 ? '' : hours} // Show empty if 0
               onChange={e =>
-                setMinutes(Math.max(0, Math.min(59, parseInt(e.target.value))))
+                setHours(Math.max(0, parseInt(e.target.value || '0')))
               }
             />
 
@@ -104,21 +95,34 @@ export function Countdown({ onClose, show }: CountdownProps) {
 
             <input
               className={styles.input}
-              placeholder="SS"
+              placeholder={t('modals.countdown.placeholder-mm') || 'MM'}
               type="number"
-              value={seconds}
+              value={minutes === 0 ? '' : minutes} // Show empty if 0
               onChange={e =>
-                setSeconds(Math.max(0, Math.min(59, parseInt(e.target.value))))
+                setMinutes(
+                  Math.max(0, Math.min(59, parseInt(e.target.value || '0'))),
+                )
+              }
+            />
+            <span>:</span>
+            <input
+              className={styles.input}
+              placeholder={t('modals.countdown.placeholder-ss') || 'SS'}
+              type="number"
+              value={seconds === 0 ? '' : seconds} // Show empty if 0
+              onChange={e =>
+                setSeconds(
+                  Math.max(0, Math.min(59, parseInt(e.target.value || '0'))),
+                )
               }
             />
           </div>
-
           <div className={styles.buttonContainer}>
             <button
               className={cn(styles.button, styles.primary)}
               onClick={handleStart}
             >
-              Start
+              {t('common.start')}
             </button>
           </div>
         </div>
@@ -128,17 +132,15 @@ export function Countdown({ onClose, show }: CountdownProps) {
             <p className={styles.reverse}>- {formatTime(elapsedTime)}</p>
             <span>{formatTime(timeLeft)}</span>
           </div>
-
           <div className={styles.buttonContainer}>
             <button className={styles.button} onClick={handleBack}>
-              Back
+              {t('common.back')}
             </button>
-
             <button
               className={cn(styles.button, styles.primary)}
               onClick={toggleTimer}
             >
-              {isActive ? 'Pause' : 'Start'}
+              {isActive ? t('common.pause') : t('common.start')}
             </button>
           </div>
         </div>
diff --git a/src/components/toolbox/notepad/notepad.tsx b/src/components/toolbox/notepad/notepad.tsx
index 921556f..636394e 100644
--- a/src/components/toolbox/notepad/notepad.tsx
+++ b/src/components/toolbox/notepad/notepad.tsx
@@ -3,7 +3,7 @@ import { BiTrash } from 'react-icons/bi/index';
 import { LuCopy, LuDownload } from 'react-icons/lu/index';
 import { FaCheck } from 'react-icons/fa6/index';
 import { FaUndo } from 'react-icons/fa/index';
-
+import { useTranslation } from 'react-i18next';
 import { Modal } from '@/components/modal';
 import { Button } from './button';
 
@@ -19,6 +19,7 @@ interface NotepadProps {
 }
 
 export function Notepad({ onClose, show }: NotepadProps) {
+  const { t } = useTranslation();
   const textareaRef = useRef<HTMLTextAreaElement>(null);
 
   const note = useNoteStore(state => state.note);
@@ -45,26 +46,42 @@ export function Notepad({ onClose, show }: NotepadProps) {
     if (e.key === 'Escape') onClose();
   };
 
+  const counterOptions = {
+    chars: characters,
+    chars_plural:
+      characters !== 1 ? t('common.plural-suffix', { defaultValue: 's' }) : '',
+    words: words,
+    words_plural:
+      words !== 1 ? t('common.plural-suffix', { defaultValue: 's' }) : '',
+  };
+
+  const clearOrRestoreTooltip = history
+    ? t('modals.notepad.restore-tooltip')
+    : t('modals.notepad.clear-tooltip');
+  const copyTooltip = copying
+    ? t('common.copied')
+    : t('modals.notepad.copy-tooltip');
+
   return (
     <Modal show={show} wide onClose={onClose}>
       <header className={styles.header}>
-        <h2 className={styles.label}>Your Note</h2>
+        <h2 className={styles.label}>{t('modals.notepad.title-label')}</h2>
         <div className={styles.buttons}>
           <Button
             icon={copying ? <FaCheck /> : <LuCopy />}
-            tooltip="Copy Note"
+            tooltip={copyTooltip}
             onClick={() => copy(note)}
           />
           <Button
             icon={<LuDownload />}
-            tooltip="Download Note"
-            onClick={() => download('Moodit Note.txt', note)}
+            tooltip={t('modals.notepad.download-tooltip')}
+            onClick={() => download('Moodist Note.txt', note)}
           />
           <Button
             critical={!history}
             icon={history ? <FaUndo /> : <BiTrash />}
             recommended={!!history}
-            tooltip={history ? 'Restore Note' : 'Clear Note'}
+            tooltip={clearOrRestoreTooltip}
             onClick={() => (history ? restore() : clear())}
           />
         </div>
@@ -73,7 +90,7 @@ export function Notepad({ onClose, show }: NotepadProps) {
       <textarea
         className={styles.textarea}
         dir="auto"
-        placeholder="What is on your mind?"
+        placeholder={t('modals.notepad.placeholder')}
         ref={textareaRef}
         spellCheck={false}
         value={note}
@@ -82,8 +99,7 @@ export function Notepad({ onClose, show }: NotepadProps) {
       />
 
       <p className={styles.counter}>
-        {characters} character{characters !== 1 && 's'} • {words} word
-        {words !== 1 && 's'}
+        {t('modals.notepad.counter-stats', counterOptions)}
       </p>
     </Modal>
   );
diff --git a/src/components/toolbox/pomodoro/pomodoro.tsx b/src/components/toolbox/pomodoro/pomodoro.tsx
index 7d6ea7b..42b731f 100644
--- a/src/components/toolbox/pomodoro/pomodoro.tsx
+++ b/src/components/toolbox/pomodoro/pomodoro.tsx
@@ -1,7 +1,7 @@
 import { useState, useEffect, useRef, useMemo } from 'react';
 import { FaUndo, FaPlay, FaPause } from 'react-icons/fa/index';
 import { IoMdSettings } from 'react-icons/io/index';
-
+import { useTranslation } from 'react-i18next';
 import { Modal } from '@/components/modal';
 import { Button } from '../generics/button';
 import { Timer } from './timer';
@@ -12,7 +12,6 @@ import { useLocalStorage } from '@/hooks/use-local-storage';
 import { useSoundEffect } from '@/hooks/use-sound-effect';
 import { usePomodoroStore } from '@/stores/pomodoro';
 import { useCloseListener } from '@/hooks/use-close-listener';
-
 import styles from './pomodoro.module.css';
 
 interface PomodoroProps {
@@ -22,6 +21,7 @@ interface PomodoroProps {
 }
 
 export function Pomodoro({ onClose, open, show }: PomodoroProps) {
+  const { t } = useTranslation();
   const [showSetting, setShowSetting] = useState(false);
 
   const [selectedTab, setSelectedTab] = useState('pomodoro');
@@ -56,11 +56,11 @@ export function Pomodoro({ onClose, open, show }: PomodoroProps) {
 
   const tabs = useMemo(
     () => [
-      { id: 'pomodoro', label: 'Pomodoro' },
-      { id: 'short', label: 'Break' },
-      { id: 'long', label: 'Long Break' },
+      { id: 'pomodoro', label: t('modals.pomodoro.tabs.pomodoro') },
+      { id: 'short', label: t('modals.pomodoro.tabs.short-break') },
+      { id: 'long', label: t('modals.pomodoro.tabs.long-break') },
     ],
-    [],
+    [t],
   );
 
   useCloseListener(() => setShowSetting(false));
@@ -123,12 +123,11 @@ export function Pomodoro({ onClose, open, show }: PomodoroProps) {
     <>
       <Modal show={show} onClose={onClose}>
         <header className={styles.header}>
-          <h2 className={styles.title}>Pomodoro Timer</h2>
-
+          <h2 className={styles.title}>{t('modals.pomodoro.title')}</h2>
           <div className={styles.button}>
             <Button
               icon={<IoMdSettings />}
-              tooltip="Change Times"
+              tooltip={t('modals.pomodoro.settings-tooltip')}
               onClick={() => {
                 onClose();
                 setShowSetting(true);
@@ -142,19 +141,21 @@ export function Pomodoro({ onClose, open, show }: PomodoroProps) {
 
         <div className={styles.control}>
           <p className={styles.completed}>
-            {completions[selectedTab] || 0} completed
+            {t('modals.pomodoro.completed', {
+              count: completions[selectedTab] || 0,
+            })}
           </p>
           <div className={styles.buttons}>
             <Button
               icon={<FaUndo />}
               smallIcon
-              tooltip="Restart"
+              tooltip={t('common.restart')}
               onClick={restart}
             />
             <Button
               icon={running ? <FaPause /> : <FaPlay />}
               smallIcon
-              tooltip={running ? 'Pause' : 'Start'}
+              tooltip={running ? t('common.pause') : t('common.start')}
               onClick={toggleRunning}
             />
           </div>
diff --git a/src/components/toolbox/pomodoro/setting/setting.tsx b/src/components/toolbox/pomodoro/setting/setting.tsx
index 8db1a93..572dbf8 100644
--- a/src/components/toolbox/pomodoro/setting/setting.tsx
+++ b/src/components/toolbox/pomodoro/setting/setting.tsx
@@ -1,5 +1,5 @@
 import { useEffect, useState } from 'react';
-
+import { useTranslation } from 'react-i18next';
 import { Modal } from '@/components/modal';
 
 import styles from './setting.module.css';
@@ -12,6 +12,7 @@ interface SettingProps {
 }
 
 export function Setting({ onChange, onClose, show, times }: SettingProps) {
+  const { t } = useTranslation();
   const [values, setValues] = useState<Record<string, number | string>>(times);
 
   useEffect(() => {
@@ -46,34 +47,34 @@ export function Setting({ onChange, onClose, show, times }: SettingProps) {
 
   return (
     <Modal lockBody={false} show={show} onClose={onClose}>
-      <h2 className={styles.title}>Change Times</h2>
+      <h2 className={styles.title}>{t('modals.pomodoro.settings.title')}</h2>
 
       <form className={styles.form} onSubmit={handleSubmit}>
         <Field
           id="pomodoro"
-          label="Pomodoro"
+          labelKey="modals.pomodoro.settings.pomodoro-label"
           value={values.pomodoro}
           onChange={handleChange('pomodoro')}
         />
         <Field
           id="short"
-          label="Short Break"
+          labelKey="modals.pomodoro.settings.short-break-label"
           value={values.short}
           onChange={handleChange('short')}
         />
         <Field
           id="long"
-          label="Long Break"
+          labelKey="modals.pomodoro.settings.long-break-label"
           value={values.long}
           onChange={handleChange('long')}
         />
 
         <div className={styles.buttons}>
           <button type="button" onClick={handleCancel}>
-            Cancel
+            {t('common.cancel')}
           </button>
           <button className={styles.primary} type="submit">
-            Save
+            {t('common.save')}
           </button>
         </div>
       </form>
@@ -83,19 +84,22 @@ export function Setting({ onChange, onClose, show, times }: SettingProps) {
 
 interface FieldProps {
   id: string;
-  label: string;
+  labelKey: string;
   onChange: (value: number | string) => void;
   value: number | string;
 }
 
-function Field({ id, label, onChange, value }: FieldProps) {
+function Field({ id, labelKey, onChange, value }: FieldProps) {
+  const { t } = useTranslation(); // 获取翻译函数
   return (
     <div className={styles.field}>
       <label className={styles.label} htmlFor={id}>
-        {label} <span>(minutes)</span>
+        {t(labelKey)}{' '}
+        <span>({t('modals.pomodoro.settings.minutes-unit')})</span>{' '}
       </label>
       <input
         className={styles.input}
+        id={id}
         max={120}
         min={1}
         required
diff --git a/src/components/toolbox/todo/form/form.tsx b/src/components/toolbox/todo/form/form.tsx
index 0b5c5d1..2638824 100644
--- a/src/components/toolbox/todo/form/form.tsx
+++ b/src/components/toolbox/todo/form/form.tsx
@@ -1,10 +1,11 @@
 import { useState } from 'react';
-
+import { useTranslation } from 'react-i18next';
 import { useTodoStore } from '@/stores/todo';
 
 import styles from './form.module.css';
 
 export function Form() {
+  const { t } = useTranslation();
   const [value, setValue] = useState('');
 
   const addTodo = useTodoStore(state => state.addTodo);
@@ -22,12 +23,12 @@ export function Form() {
     <form onSubmit={handleSubmit}>
       <div className={styles.wrapper}>
         <input
-          placeholder="I have to ..."
+          placeholder={t('modals.todo.add-placeholder')}
           type="text"
           value={value}
           onChange={e => setValue(e.target.value)}
         />
-        <button type="submit">Add</button>
+        <button type="submit">{t('modals.todo.add-button')}</button>
       </div>
     </form>
   );
diff --git a/src/components/toolbox/todo/todo.tsx b/src/components/toolbox/todo/todo.tsx
index 5c74fb0..03512fc 100644
--- a/src/components/toolbox/todo/todo.tsx
+++ b/src/components/toolbox/todo/todo.tsx
@@ -1,3 +1,4 @@
+import { useTranslation } from 'react-i18next';
 import { Modal } from '@/components/modal';
 import { Form } from './form';
 import { Todos } from './todos';
@@ -10,11 +11,13 @@ interface TodoProps {
 }
 
 export function Todo({ onClose, show }: TodoProps) {
+  const { t } = useTranslation();
+
   return (
     <Modal show={show} onClose={onClose}>
       <header className={styles.header}>
-        <h2 className={styles.title}>Todo Checklist</h2>
-        <p className={styles.desc}>Super simple todo list.</p>
+        <h2 className={styles.title}>{t('modals.todo.title')}</h2>
+        <p className={styles.desc}>{t('modals.todo.description')}</p>
       </header>
 
       <Form />
diff --git a/src/components/toolbox/todo/todos/todo/todo.tsx b/src/components/toolbox/todo/todos/todo/todo.tsx
index bba2513..c784595 100644
--- a/src/components/toolbox/todo/todos/todo/todo.tsx
+++ b/src/components/toolbox/todo/todos/todo/todo.tsx
@@ -1,11 +1,12 @@
 import { FaRegTrashAlt } from 'react-icons/fa/index';
-
+import { useTranslation } from 'react-i18next';
 import { Checkbox } from '@/components/checkbox';
 
 import { useTodoStore } from '@/stores/todo';
 import { cn } from '@/helpers/styles';
 
 import styles from './todo.module.css';
+import { Tooltip } from '@/components/tooltip';
 
 interface TodoProps {
   done: boolean;
@@ -14,6 +15,7 @@ interface TodoProps {
 }
 
 export function Todo({ done, id, todo }: TodoProps) {
+  const { t } = useTranslation();
   const deleteTodo = useTodoStore(state => state.deleteTodo);
   const toggleTodo = useTodoStore(state => state.toggleTodo);
   const editTodo = useTodoStore(state => state.editTodo);
@@ -32,9 +34,17 @@ export function Todo({ done, id, todo }: TodoProps) {
         value={todo}
         onChange={e => editTodo(id, e.target.value)}
       />
-      <button className={styles.delete} onClick={handleDelete}>
-        <FaRegTrashAlt />
-      </button>
+      <Tooltip content={t('common.delete')} showDelay={0}>
+        <button
+          className={styles.delete}
+          aria-label={
+            t('modals.todo.delete-button-aria-label') || `Delete todo: ${todo}`
+          }
+          onClick={handleDelete}
+        >
+          <FaRegTrashAlt />
+        </button>
+      </Tooltip>
     </div>
   );
 }
diff --git a/src/components/toolbox/todo/todos/todos.tsx b/src/components/toolbox/todo/todos/todos.tsx
index cef242a..7f48efb 100644
--- a/src/components/toolbox/todo/todos/todos.tsx
+++ b/src/components/toolbox/todo/todos/todos.tsx
@@ -1,3 +1,4 @@
+import { useTranslation } from 'react-i18next';
 import { Todo } from './todo';
 
 import { useTodoStore } from '@/stores/todo';
@@ -5,13 +6,14 @@ import { useTodoStore } from '@/stores/todo';
 import styles from './todos.module.css';
 
 export function Todos() {
+  const { t } = useTranslation();
   const todos = useTodoStore(state => state.todos);
   const doneCount = useTodoStore(state => state.doneCount());
 
   return (
     <div className={styles.todos}>
       <header>
-        <p className={styles.label}>Your Todos</p>
+        <p className={styles.label}>{t('modals.todo.your-todos-label')}</p>
         <div className={styles.divider} />
         <p className={styles.counter}>
           {doneCount} / {todos.length}
@@ -30,7 +32,7 @@ export function Todos() {
           ))}
         </>
       ) : (
-        <p className={styles.empty}>You don&apos;t have any todos.</p>
+        <p className={styles.empty}>{t('modals.todo.empty')}</p>
       )}
     </div>
   );
diff --git a/src/locales/en/translation.json b/src/locales/en/translation.json
index 52c7f52..7350846 100644
--- a/src/locales/en/translation.json
+++ b/src/locales/en/translation.json
@@ -8,11 +8,156 @@
     "en": "English",
     "zh": "简体中文"
   },
+  "common": {
+    "save": "Save",
+    "untitled": "Untitled",
+    "copy": "Copy",
+    "copied": "Copied!",
+    "override": "Override",
+    "done": "Done!",
+    "reset": "Reset",
+    "start": "Start",
+    "pause": "Pause",
+    "stop": "Stop",
+    "back": "Back",
+    "restart": "Restart",
+    "cancel": "Cancel",
+    "delete": "Delete",
+    "plural-suffix": "s"
+  },
+  "toolbar": {
+    "menu-aria-label": "Menu",
+    "global-volume-label": "Global Volume",
+    "items": {
+      "presets": "Your Presets",
+      "share": "Share Sounds",
+      "shuffle": "Shuffle Sounds",
+      "sleep-timer": "Sleep Timer",
+      "countdown": "Countdown Timer",
+      "pomodoro": "Pomodoro",
+      "notepad": "Notepad",
+      "todo": "Todo Checklist",
+      "breathing": "Breathing Exercise",
+      "binaural": "Binaural Beats",
+      "isochronic": "Isochronic Tones",
+      "shortcuts": "Shortcuts",
+      "buy-me-a-coffee": "Buy Me a Coffee",
+      "source-code": "Source Code"
+    }
+  },
   "modals": {
-    "reload": {
-      "title": "New Content",
-      "description": "New content available, click on reload button to update.",
-      "reloadButton": "Reload"
+    "presets": {
+      "title": "Presets",
+      "your-presets-title": "Your Presets",
+      "empty": "You don't have any presets yet.",
+      "new-preset-title": "New Preset",
+      "placeholder": "Preset's Name",
+      "play-button-tooltip": "Play preset",
+      "play-button-aria-label": "Play preset {{label}}",
+      "delete-button-tooltip": "Delete preset",
+      "delete-button-aria-label": "Delete preset {{label}}",
+      "no-selected-warning": "To make a preset, first select some sounds."
+    },
+    "share-link": {
+      "title": "Share your sound selection!",
+      "description": "Copy and send the following link to the person you want to share your selection with.",
+      "copy-button-aria-label": "Copy link"
+    },
+    "shared": {
+      "title": "New sound mix detected!",
+      "description": "Someone has shared the following mix with you. Would you want to override your current selection?",
+      "snackbar-message": "Done! You can now play the new selection."
+    },
+    "sleep-timer": {
+      "title": "Sleep Timer",
+      "description": "Stop sounds after a certain amount of time.",
+      "hours-label": "Hours",
+      "minutes-label": "Minutes"
+    },
+    "countdown": {
+      "title": "Countdown Timer",
+      "description": "Super simple countdown timer.",
+      "placeholder-hh": "HH",
+      "placeholder-mm": "MM",
+      "placeholder-ss": "SS"
+    },
+    "pomodoro": {
+      "title": "Pomodoro Timer",
+      "settings-tooltip": "Change Times",
+      "completed": "{{count}} completed",
+      "tabs": {
+        "pomodoro": "Pomodoro",
+        "short-break": "Break",
+        "long-break": "Long Break"
+      },
+      "settings": {
+        "title": "Change Times",
+        "pomodoro-label": "Pomodoro",
+        "short-break-label": "Short Break",
+        "long-break-label": "Long Break",
+        "minutes-unit": "minutes"
+      }
+    },
+    "notepad": {
+      "title-label": "Your Note",
+      "copy-tooltip": "Copy Note",
+      "download-tooltip": "Download Note",
+      "clear-tooltip": "Clear Note",
+      "restore-tooltip": "Restore Note",
+      "placeholder": "What is on your mind?",
+      "counter-stats": "{{chars}} character{{chars_plural}} • {{words}} word{{words_plural}}"
+    },
+    "todo": {
+      "title": "Todo Checklist",
+      "description": "Super simple todo list.",
+      "add-placeholder": "I have to ...",
+      "add-button": "Add",
+      "your-todos-label": "Your Todos",
+      "empty": "You don't have any todos.",
+      "delete-button-aria-label": "Delete todo"
+    },
+    "breathing": {
+      "title": "Breathing Exercise",
+      "phases": {
+        "inhale": "Inhale",
+        "exhale": "Exhale",
+        "hold": "Hold"
+      },
+      "exercises": {
+        "box": "Box Breathing",
+        "resonant": "Resonant Breathing",
+        "478": "4-7-8 Breathing"
+      }
+    },
+    "generators": {
+      "presets-label": "Presets:",
+      "base-frequency-label": "Base Frequency (Hz):",
+      "volume-label": "Volume:",
+      "presets": {
+        "delta": "Delta (Deep Sleep) 2 Hz",
+        "theta": "Theta (Meditation) 5 Hz",
+        "alpha": "Alpha (Relaxation) 10 Hz",
+        "beta": "Beta (Focus) 20 Hz",
+        "gamma": "Gamma (Cognition) 40 Hz",
+        "custom": "Custom"
+      }
+    },
+    "binaural": {
+      "title": "Binaural Beat",
+      "description": "Binaural beat generator.",
+      "beat-frequency-label": "Beat Frequency (Hz):"
+    },
+    "isochronic": {
+      "title": "Isochronic Tone",
+      "description": "Isochronic tone generator.",
+      "tone-frequency-label": "Tone Frequency (Hz):"
+    },
+    "shortcuts": {
+      "title": "Keyboard Shortcuts",
+      "labels": {
+        "toggle-play": "Toggle Play",
+        "unselect-all": "Unselect All Sounds"
+      }
     }
   },
   "buttons": {
diff --git a/src/locales/zh/translation.json b/src/locales/zh/translation.json
index 9394c11..eeddd6f 100644
--- a/src/locales/zh/translation.json
+++ b/src/locales/zh/translation.json
@@ -8,11 +8,156 @@
     "en": "English",
     "zh": "简体中文"
   },
+  "common": {
+    "save": "保存",
+    "untitled": "未命名",
+    "copy": "复制",
+    "copied": "已复制！",
+    "override": "覆盖",
+    "done": "完成!",
+    "reset": "重置",
+    "start": "开始",
+    "pause": "暂停",
+    "stop": "停止",
+    "back": "返回",
+    "restart": "重新开始",
+    "cancel": "取消",
+    "delete": "删除",
+    "plural-suffix": ""
+  },
+  "toolbar": {
+    "menu-aria-label": "菜单",
+    "global-volume-label": "全局音量",
+    "items": {
+      "presets": "预设",
+      "share": "分享声音",
+      "shuffle": "随机播放",
+      "sleep-timer": "睡眠定时器",
+      "countdown": "倒计时器",
+      "pomodoro": "番茄钟",
+      "notepad": "记事本",
+      "todo": "待办清单",
+      "breathing": "呼吸练习",
+      "binaural": "双耳节拍",
+      "isochronic": "等时声频",
+      "shortcuts": "快捷键",
+      "buy-me-a-coffee": "请我喝咖啡",
+      "source-code": "源代码"
+    }
+  },
   "modals": {
-    "reload": {
-      "title": "发现新内容",
-      "description": "检测到可用新内容，点击“重新加载”按钮进行更新。",
-      "reloadButton": "重新加载"
+    "presets": {
+      "title": "预设",
+      "your-presets-title": "您的预设",
+      "empty": "您还没有任何预设。",
+      "new-preset-title": "新建预设",
+      "placeholder": "预设名称",
+      "play-button-tooltip": "播放预设",
+      "play-button-aria-label": "播放预设 {{label}}",
+      "delete-button-tooltip": "删除预设",
+      "delete-button-aria-label": "删除预设 {{label}}",
+      "no-selected-warning": "要创建预设，请先选择一些声音。"
+    },
+    "share-link": {
+      "title": "分享您的声音组合！",
+      "description": "复制下面的链接并发送给您想与之分享的人。",
+      "copy-button-aria-label": "复制链接"
+    },
+    "shared": {
+      "title": "检测到新的声音组合！",
+      "description": "有人与您分享了以下声音组合。您想覆盖当前的选择吗？",
+      "snackbar-message": "完成！您现在可以播放新的选择了。"
+    },
+    "sleep-timer": {
+      "title": "睡眠定时器",
+      "description": "在指定时间后停止播放声音。",
+      "hours-label": "小时",
+      "minutes-label": "分钟"
+    },
+    "countdown": {
+      "title": "倒计时器",
+      "description": "超级简单的倒计时器。",
+      "placeholder-hh": "时",
+      "placeholder-mm": "分",
+      "placeholder-ss": "秒"
+    },
+    "pomodoro": {
+      "title": "番茄钟",
+      "settings-tooltip": "更改时间",
+      "completed": "已完成 {{count}} 次",
+      "tabs": {
+        "pomodoro": "番茄钟",
+        "short-break": "短休息",
+        "long-break": "长休息"
+      },
+      "settings": {
+        "title": "更改时间",
+        "pomodoro-label": "番茄钟",
+        "short-break-label": "短休息",
+        "long-break-label": "长休息",
+        "minutes-unit": "分钟"
+      }
+    },
+    "notepad": {
+      "title-label": "您的笔记",
+      "copy-tooltip": "复制笔记",
+      "download-tooltip": "下载笔记",
+      "clear-tooltip": "清空笔记",
+      "restore-tooltip": "恢复笔记",
+      "placeholder": "您在想什么？",
+      "counter-stats": "共 {{chars}} 个字符"
+    },
+    "todo": {
+      "title": "待办清单",
+      "description": "超级简单的待办事项列表。",
+      "add-placeholder": "我需要做...",
+      "add-button": "添加",
+      "your-todos-label": "您的待办事项",
+      "empty": "您还没有任何待办事项。",
+      "delete-button-aria-label": "删除待办事项"
+    },
+    "breathing": {
+      "title": "呼吸练习",
+      "phases": {
+        "inhale": "吸气",
+        "exhale": "呼气",
+        "hold": "屏息"
+      },
+      "exercises": {
+        "box": "方形呼吸",
+        "resonant": "共振呼吸",
+        "478": "4-7-8 呼吸"
+      }
+    },
+    "generators": {
+      "presets-label": "预设:",
+      "base-frequency-label": "基础频率 (Hz):",
+      "volume-label": "音量:",
+      "presets": {
+        "delta": "Delta (深度睡眠) 2 Hz",
+        "theta": "Theta (冥想) 5 Hz",
+        "alpha": "Alpha (放松) 10 Hz",
+        "beta": "Beta (专注) 20 Hz",
+        "gamma": "Gamma (认知) 40 Hz",
+        "custom": "自定义"
+      }
+    },
+    "binaural": {
+      "title": "双耳节拍",
+      "description": "双耳节拍生成器。",
+      "beat-frequency-label": "节拍频率 (Hz):"
+    },
+    "isochronic": {
+      "title": "等时声频",
+      "description": "等时声频生成器。",
+      "tone-frequency-label": "声频频率 (Hz):"
+    },
+    "shortcuts": {
+      "title": "键盘快捷键",
+      "labels": {
+        "toggle-play": "播放/暂停",
+        "unselect-all": "取消全选声音"
+      }
     }
   },
   "buttons": {