Convert to OPUS

Convert compatible files to OPUS directly in your browser.

  • No uploads Files stay on your device
  • Batch processing Handle multiple files at once
  • 100% private No sign-up, no tracking

Drop files or folders here

You can also drag files into this area

Supported input formats

  • AAC
  • AIF
  • AIFF
  • APE
  • AU
  • DSF
  • FLAC
  • M4A
  • MP3
  • OGA
  • OGG
  • OPUS
  • +3 more

We support 15 formats. All conversion happens in your browser.

View all formats →

How to convert to OPUS

  1. Add your files (e.g. AAC, AIF, AIFF)
  2. Adjust output settings (optional)
  3. Click \"Convert\"
  4. Download your converted files

About OPUS

Opus is the best lossy audio codec ever standardized: IETF RFC 6716, transparent at low bitrates, built for everything from voice calls to music streaming. Learn when to use it and what to choose instead.

Learn more about OPUS →