Compress audio
Make an audio file smaller for sending or storage: the recording is saved as MP3 at 128 kbps.
- Free Converter
- No Registration
- No Uploads
Add files
Drop files anywhere on the page or paste them with Ctrl+V / ⌘+V
How it works
Add files
Add an audio file.
Adjust the settings
Optionally change the bitrate and channels in the settings and press "Compress all".
Download the result
Download the compressed MP3.
Limitations
- Files up to 512 MB are supported; the actual limit also depends on the free memory of your device.
Frequently asked questions
How much smaller will the file get?
WAV and FLAC shrink 5–10 times. A high-bitrate MP3 shrinks proportionally: from 320 to 128 kbps it gets about 2.5 times smaller.
How do I compress more?
Choose 64–96 kbps and mono - that's enough for speech and voice recordings.