audio tool

Compress Audio Online

Reduce audio file size by re-encoding bitrate.

1 Choose a file
2 Pick output
3 Convert
Supported input formats
mp3wavm4aaacoggflac

Output: MP3Processed on your device

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How to use it

Choose your file, adjust the settings when available, start processing, then save the finished file from this page.

Private by default

Your file is processed in your browser and is not uploaded to our servers.

Free and Premium limits

Free limit: 500 MB per file on desktop and 200 MB on mobile. Premium raises eligible file-size limits while its license is active.

Tool FAQ

Questions about Audio Compressor

Does Audio Compressor upload my file?

Your file is processed in your browser and is not uploaded to our servers.

Which formats does Audio Compressor support?

Audio Compressor accepts MP3, WAV, M4A, AAC, OGG, FLAC and outputs MP3.

What are the free limits?

Free limit: 500 MB per file on desktop and 200 MB on mobile. Premium raises eligible file-size limits while its license is active.