Audio Compressor
Export a short local audio clip as a smaller Opus copy at a selected target bitrate.
Free browser tool
No Matrix computer needed
✓ No account or card
✓ Use the result right away
✓ Task-specific limits below
Workspace
Use audio compressor
Runs in this browser tab
Mono or stereo, up to 80 MB and 3 minutes. Input formats depend on your browser's decoder. Files stay on this device.
Result
Compressed encoding plays the file in real time. Opus output requires browser support and may not play in every app.
How to use it
Choose audio and a target bitrate, then preview and download the Opus result.
What to check
Opus encoding requires browser support. A lower bitrate can reduce quality, and final file size varies.
Review the result before using it in a published page, application, or agent configuration.
Quick answers
Frequently asked questions
How does Audio Compressor reduce file size?
It exports an Opus copy at your selected target bitrate when the browser supports compressed encoding. Final size can vary.
Will a lower Opus bitrate always sound acceptable?
No. Lower bitrates can add audible encoding artifacts. Compare the processed preview with the original before downloading.
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Need this work to keep going?
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