Common audio files readable by FFmpeg
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Audio Compressor
Reduce audio file size with practical MP3 bitrate presets.
Loading local tool…
No uploadsYour files stay on this device.
Local engineYour browser does the work.
Auto cleanupTemporary memory is released.
About this tool
Use audio compressor without uploading files
Reduce audio file size by applying a practical bitrate while keeping the operation inside your browser.
Processing takes place in your browser tab. Temporary working data is released when you leave or reload the page.
Three steps
- Choose the audio recording or track.
- Select a bitrate suited to speech or music.
- Compress, preview, and download the smaller file.
Useful for
Common compress audio tasks
- Voice-note sharing
- Podcast drafts
- Smaller web audio
Practical details
What to know before you start
One compressed audio file
- Speech often tolerates a lower bitrate than music.
- Very low bitrates can make high frequencies sound metallic.
- Keep a lossless master for future editing when possible.