IN-BROWSER
Change audio speed
Slow down a lecture or speed up a podcast without changing its pitch.
Drag & drop your audio file here
MP3, WAV, M4A, OGG, FLAC · Click to select
Key features
0.25× to 3×
From slow-motion study to double-speed catch-up.
Pitch preserved
Voices stay natural at any speed.
Frame-accurate
Timing stays consistent across the whole file.
How to use
- 1
1. Upload your file
Drag and drop or pick a file from your device.
- 2
2. Adjust
Preview the waveform and pick a playback speed.
- 3
3. Export & download
Click Export and save the result to your device.
Frequently asked questions
Common audio formats — MP3, WAV, M4A, OGG and FLAC.