Change the Speed of Audio
Change audio playback speed with or without changing pitch.
- Input:
- MP3, WAV, M4A, OGG
- Output:
- MP3, WAV
- Max size:
- 100 MB
- Runs:
- On secure servers
What the Audio Speed Changer does
Speed up lectures and podcasts or slow down music for practice, from 0.25× to 4×. Keep the original pitch so voices sound natural, or let the pitch change with the speed.
Options
- Speed (0.25×–4×).
- Keep original pitch.
How to use the Audio Speed Changer
- 1
Drag your MP3, WAV, M4A, OGG file into the upload area, or click it to browse your device.
- 2
Adjust the options to suit your needs — the defaults work well for most files.
- 3
Click “Run Audio Speed Changer” to start processing.
- 4
Preview the result, then download it. Batch results can be downloaded together as a ZIP.
Supported formats
- MP3 is the most compatible lossy audio format. More about the MP3 format.
- WAV is uncompressed audio, ideal for editing but large in size. More about the WAV format.
- M4A is AAC audio in an MP4 container, common on Apple devices.
- OGG is an open container usually holding Vorbis or Opus audio.
Frequently asked questions
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