Edit audio
MP3 Compressor
Reduce MP3 file size by encoding at a lower constant bitrate.
Local workspace
Process a local file
Result
Your selected media stays on this device. AudioFetcher loads its processing engine, reads the file in browser memory, and creates the result locally.
Refresh or close the tab and the selected file and generated result leave browser memory.
Stronger compression reduces quality. Keep the source when you may want a better encode later.
How to use MP3 Compressor
- 1
Choose the local file from your device.
- 2
Set the available output controls for this task.
- 3
Download the result before refreshing or closing the page.
What this tool changes
Reduce MP3 file size by encoding at a lower constant bitrate.
Stronger compression reduces quality. Keep the source when you may want a better encode later.
MP3 Compressor questions
Does MP3 Compressor upload my file?
Your selected media stays on this device. AudioFetcher loads its processing engine, reads the file in browser memory, and creates the result locally.
What should I know before using MP3 Compressor?
Stronger compression reduces quality. Keep the source when you may want a better encode later.