Convert Opus to FLAC
Turn Opus audio files (.opus) into Free Lossless Audio Codec (.flac) in seconds. Drop one file or a whole batch: the conversion happens right in your browser, with no sign-up, no watermark and no upload.
FLAC to Opus insteadHow to convert Opus to FLAC
- 1Drop your Opus files into the box above, or click to choose them.
- 2FLAC is already selected. Adjust the options if you like.
- 3Click Convert and download your FLAC files.
Good to know
- FLAC is lossless, but converting from Opus can't bring back what the original compression removed. It is useful when a program only accepts FLAC.
- Large videos are processed as a stream, so even long files work as long as your device has enough memory.
Frequently asked questions
Is converting Opus to FLAC free?
Yes. There is no sign-up, no watermark and no limit on the number of files.
Are my files uploaded?
No. Everything runs in your browser, so your files are never uploaded to a server. That also makes it fast, because nothing has to travel over the network.
Will I lose quality converting Opus to FLAC?
No noticeable loss: the conversion keeps the content of your Opus file intact.
Can I convert several files at once?
Yes. Drop as many Opus files as you like. They are converted one after another and you can download them individually or as a ZIP.
Is there a file size limit?
There is no fixed limit. Very large files depend on your device's memory, since the conversion runs locally.
What is Opus?
Opus is a modern, efficient audio codec that sounds great even at low bitrates.
What is FLAC?
FLAC compresses audio without any loss, so it is popular for music archives.