Convert FLAC to OPUS — usually much smaller files

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

What changes when you convert FLAC to OPUS

  • FLAC audio is lossless and Opus audio is lossy: the quality slider decides how much detail is traded for size, and output files are usually far smaller.
  • Opus audio encoding exposes a quality control; around 80 is the usual sweet spot.

How to convert FLAC to OPUS

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

Questions

How do I convert FLAC to OPUS for free?

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

Will converting FLAC to OPUS lose quality?

FLAC audio is lossless and Opus audio is lossy: the quality slider decides how much detail is traded for size, and output files are usually far smaller.

Does OPUS keep everything FLAC supports?

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

Also convert FLAC to…

Other files you can convert to OPUS