AUDIO SPEED · FASTER OR SLOWER · NO UPLOAD

Change audio speed,
free & private.

Speed audio up or slow it down. No upload.

Just Audio Compressor app icon
Just Audio CompressorMore iPhone audio tools: compress · convert · split · trim
Download Just Audio Compressor on the App Store
100% private - files stay on your device

Change audio speed now

PRIVATE TOOL

Pick audio. Pick speed. Download.

Pick an audio file to begin.
Use cases

Listen faster, review slower.

Useful for lectures, language practice, interview review, podcast notes, meeting recordings, and long voice memos.

Related tools

More audio tools

Compress AudioMake audio files smaller. M4A to MP3Convert voice memos to MP3. MP3 to M4AConvert MP3 to M4A. Trim AudioCut start and end times.
How do I speed up audio?
  1. Choose an audio file.
  2. Pick 1.25x, 1.5x, or 2x speed.
  3. Click Change speed. The faster M4A file downloads when ready.
Can I slow audio down?

Yes. Choose 0.5x or 0.75x to make the audio slower.

Are files uploaded?

No. The audio speed change runs locally in your browser.