Convert OPUS to AIFF — lossless, so expect larger files

Free and unlimited, and nothing is uploaded: it all runs in your own browser. Open Audio Converter

What changes when you convert OPUS to AIFF

  • Opus audio is lossy and AIFF audio is lossless: converting cannot restore detail the source already discarded, and the AIFF audio file will usually be larger than the original.

How to convert OPUS to AIFF

  1. Add your OPUS file — drag it onto the page or choose it. It stays on your device.
  2. Pick AIFF as the output format.
  3. Press convert and download the result — individually or as one ZIP.

Questions

How do I convert OPUS to AIFF for free?

Add your OPUS file on this site, choose AIFF, and press convert. The whole conversion runs in your own browser — nothing is uploaded — and the AIFF file downloads straight from your device.

Will converting OPUS to AIFF lose quality?

Opus audio is lossy and AIFF audio is lossless: converting cannot restore detail the source already discarded, and the AIFF audio file will usually be larger than the original.

Does AIFF keep everything OPUS supports?

Yes within the format’s own limits — pixels, timing and structure survive the conversion.

Also convert OPUS to…

Other files you can convert to AIFF