Compress Audio Files
Shrink large audio files so they fit email limits or upload faster. Lower the bitrate, switch to mono for speech, or use the super-efficient Opus format.
Drop a file to use the compress audio
MP3, WAV, FLAC, M4A, OGG, OPUS, AAC, AIFF, WMA, AMR, MP4, MOV & more ยท Processed on your device - nothing is uploaded
How to use the compress audio
- Upload your files.
- Choose MP3 or Opus and a lower bitrate (e.g. 64-96 kbps for speech).
- Optionally set channels to Mono.
- Convert and download.
Features
- Any bitrate from 16 to 320 kbps
- Mono for speech = half the size
- Opus for the smallest files
- See the new file size instantly
Frequently asked questions
What bitrate should I use for voice?
64 kbps mono MP3 or 32 kbps Opus is very clear for speech and up to 10x smaller than the original.
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