What bitrates are available?

128 kbps, 96 kbps, 64 kbps, and 32 kbps options are available.

Will the audio quality be affected?

Lower bitrates reduce file size but may reduce audio quality. 128 kbps is usually indistinguishable from higher quality.

Processing happens on our servers for this tool.

free

Compress MP3 audio files online for free. Reduce file size.

🔧

Compress MP3 audio files online for free. Reduce file size.

Coming soon — full implementation in progress

Click the upload area or drag & drop your MP3 file.

Choose the output bitrate — lower bitrate means smaller file size.

Download your compressed MP3.

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