Compress and share

Compress MP3 without uploading it.

Choose an MP3, pick a bitrate, and make a smaller copy for sharing or upload limits.

No uploadFiles stay in the browser tab.
No accountUse the tool immediately.
Browser processingSpeed depends on your device and file size.

Compress MP3

Pick a bitrate and export a smaller MP3 copy. Local browser processing starts only after you choose a file.

Local

Your selected file stays in this browser tab. It is not uploaded to a conversion server.

Ready.

How to use Compress MP3

  1. Choose MP3 file.
  2. Pick a bitrate. Lower bitrate usually means a smaller file and less detail.
  3. Start local compression and keep this tab open.
  4. Download the compressed MP3 when it is ready.

FAQ

Specific answers for this tool, not generic converter copy.

How does MP3 compression work?

The tool re-encodes the audio at a lower bitrate. Lower bitrate usually means smaller size and less detail.

Can I target an exact file size?

Not yet. The current tool reduces size by bitrate, so the final size depends on duration and source audio.

Is this good for email attachments?

Yes for many clips. Use a lower bitrate when you need a smaller file.