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Convertissez MP3 en WAV — Rapide, gratuit et confidentiel

Outil en ligne rapide, sécurisé et gratuit de MP3 vers WAV

100 % Confidentialité
Traitement local
Ultra-rapide
Aucun téléversement requis
Fonctionne hors ligne
Sans Internet
Sans perte
Qualité originale
MP3WAV

Importez des fichiers à convertir en WAV

Glissez-déposez votre fichier ici ou cliquez pour sélectionner

Fichiers image, audio, vidéo et données pris en charge, jusqu'à 200 Mo

Aperçu

Avant · MP3
MP3
Après · WAV
WAV
1

Importer

Glissez-déposez votre fichier MP3 dans la zone de conversion, ou cliquez pour sélectionner un fichier depuis votre appareil.

2

Convertir

Le navigateur traite la conversion automatiquement en local — aucun téléversement serveur nécessaire.

3

Télécharger

Cliquez sur le bouton de téléchargement pour enregistrer votre fichier WAV converti.

Pourquoi choisir OmniConvert ?

100 % Confidentialité

Vos fichiers sont traités dans votre navigateur. Ils ne sont jamais envoyés sur un serveur. Vos données vous appartiennent.

Vitesse éclair

Les fichiers sont traités localement à vitesse native. Pas d'attente de téléversement, pas de file d'attente, pas de limites.

Fonctionne hors ligne

Pas d'Internet ? Pas de problème. Installez en PWA et convertissez n'importe où.

Qualité sans perte

La qualité originale est préservée. Aucun artefact de compression ajouté.

Why convert MP3 to WAV?

Converting from MP3 Audio (MP3) to WAV Audio (WAV) is a common need in daily workflows. Whether you need a more compatible audio format, smaller file sizes, or higher fidelity, choosing the right audio format matters for every project.

With OmniConvert, the entire MP3 to WAV conversion process happens right in your browser using FFmpeg.wasm. There is no need to install desktop software like Audacity or FFmpeg, no file uploads to servers, and your audio files remain 100% private. The first conversion loads the FFmpeg engine (~25MB), then subsequent conversions are nearly instant.

Key Benefits of OmniConvert

Privacy Protected

Your MP3 files are converted locally in your browser. Never uploaded to servers.

Fast & Free

No waiting queues, no subscriptions. Convert unlimited files.

High Quality

Advanced algorithms ensure your WAV output preserves the highest quality.

Works Offline

Functions without internet after initial load via PWA support.

How to Use

1

Drag and drop your MP3 file into the conversion area above.

2

The browser processes the conversion instantly — no waiting required.

3

Click the download button to save your new WAV file.

MP3 vs WAV: Quick Comparison

Feature MP3 WAV
CompressionLossy (MPEG Layer 3)Uncompressed (PCM)
TransparencyN/AN/A
Color DepthUp to 320 kbps16/24/32-bit
AnimationN/AN/A
Best ForMusic, podcasts, universal playbackAudio editing, professional production, archiving

Understanding MP3 and WAV Formats

MP3 is best suited for music, podcasts, universal playback. It uses lossy (mpeg layer 3) compression and does not support transparency. On the other hand, WAV excels at audio editing, professional production, archiving, using uncompressed (pcm) compression without transparency. Understanding these differences helps you choose the right format for each project and workflow.

Common Use Cases for MP3 to WAV Conversion

Musicians and producers converting MP3 to WAV for compatibility with different audio editors and DAWs.

Podcast creators converting recordings from MP3 to WAV for optimal distribution and streaming.

Reducing audio file sizes by converting MP3 to more space-efficient WAV format.

Preparing audio files in WAV format for specific platforms or device compatibility.

Pro Tips for MP3 to WAV Conversion

OmniConvert uses FFmpeg.wasm for audio conversion — a powerful, industry-standard tool running right in your browser.

The first audio conversion downloads ~25MB of FFmpeg core files, but subsequent conversions are instant.

Your audio files are processed entirely on your device — they are never uploaded to any server.

Questions fréquentes

Is it safe to convert MP3 to WAV online?

Yes. OmniConvert processes all files directly in your browser using client-side JavaScript. Your MP3 files are never uploaded to any server. The conversion happens entirely on your device, ensuring complete privacy.

Will I lose quality converting MP3 to WAV?

Converting MP3 to WAV does not cause additional quality loss. The existing MP3 data is re-encoded losslessly into WAV format, so no further degradation occurs. However, quality already lost during MP3 compression cannot be recovered.

What is the difference between MP3 and WAV?

MP3 is a compressed lossy format ideal for distribution. WAV is uncompressed PCM audio used for editing and professional production. Note: converting MP3 to WAV cannot restore quality lost during MP3 compression.

Do I need to sign up to convert MP3 to WAV?

No. OmniConvert is completely free and requires no registration, no email, and no account. Just open the page and start converting immediately.

What is the file size limit for MP3 to WAV conversion?

OmniConvert supports files up to approximately 100 MB. Since the conversion runs in your browser, the actual limit depends on your device's available memory. Most common files convert without any issues.

Convertir MP3 vers d'autres formats

Convertir d'autres formats en WAV

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