Changeur de Vitesse Audio — Modifier la vitesse audio gratuitement
Accélérez ou ralentissez les fichiers audio sans changer la hauteur. Parfait pour les podcasts ou la pratique musicale.
Drop your file here
or click to browse — up to 200 MB
How it works
- Changes playback speed without affecting pitch
- Uses FFmpeg atempo filter for high-quality results
- Range: 0.5× (half speed) to 2× (double speed)
Questions fréquentes sur le Changeur de Vitesse Audio
- Is Audio Speed Changer completely free?
- Yes, Audio Speed Changer is 100% free with no registration, no watermarks, and no usage limits. Process as many files as you need.
- Are my files safe and private?
- Your files are uploaded over an encrypted HTTPS connection, processed securely on our servers, and permanently deleted immediately after your download. We never store, view, or share your files.
- What is the maximum file size I can upload?
- You can upload files up to 100 MB. For larger files, try splitting or compressing them first.
- What audio formats are supported?
- Most tools support MP3, WAV, OGG, FLAC, M4A, and AAC. The specific formats accepted are shown in the upload area.
- Does it work on mobile and tablet?
- Audio Speed Changer works in all modern browsers — Chrome, Firefox, Safari, and Edge — on desktop, tablet, and mobile devices.
Files are processed securely and permanently deleted after download. Never stored or shared.