Compress Audio
Reduce MP3 size

Shrink large recordings to a size that's easy to share.

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About Compress Audio

Shrink large recordings to a size that's easy to share.

Everything happens in your browser: your audio files are never uploaded. No sign-up and no watermark; works on phone and computer.

How to use Compress Audio

  1. Choose your fileSelect or drag and drop your audio or video file.
  2. Adjust the settingsPick the format, quality or the part to cut.
  3. DownloadPress the button; your file is prepared in your browser.

Frequently asked questions

Is Compress Audio free?

Yes, completely free with no account.

Are my files safe?

Yes. Files are not uploaded; processing happens on your device.

Which formats are supported?

MP3, WAV, M4A, AAC, OGG, OPUS, FLAC and MP4/MOV/WEBM videos.