Make audio files smaller, free
Shrink a track by lowering its sample rate and folding it to mono. Free, private, right in your browser.
✓ 100% free — no signup, no watermark✓ Private — files never leave your browser✓ Instant — no upload wait
Drop an audio file here or click to add
MP3, WAV, FLAC, M4A
How it works
Three steps, no account, nothing uploaded.
- 1
Add your track
Drop an MP3, WAV, FLAC or M4A. It's decoded in your browser.
- 2
Choose a sample rate
Lower rates trade high-end detail for a smaller file.
- 3
Download the WAV
Preview the result, then save it. No watermark, no limits.
Audio compressor FAQ
What people ask before shrinking a file.