Free Lossless Audio Codec
Lossless audio that keeps every detail in about half the space of WAV.
- Type
- audio
- Best for
- archiving music without quality loss
Drop your FLAC and get an OPUS back, right here in this tab. Your own computer does the work, so nothing gets uploaded, and there's no paid version.
Lossless audio that keeps every detail in about half the space of WAV.
A modern open codec that sounds excellent at very low bitrates.
FLAC is lossless and OPUS is compressed, so the file gets much smaller. Choose a higher bitrate under More options if you want it closer to the original.
Yes, completely. Every tool and every format is free, and there's no paid version, account, watermark or daily limit.
No. Your browser does the work on your own device, so your files stay with you. Closing the tab clears them from memory.
Yes. Drop as many as you like, and the results can be downloaded together as a ZIP.
Yes, in a current mobile browser. Large files are limited by how much memory your device can spare.
FLAC is lossless and OPUS is compressed, so the file gets much smaller. Choose a higher bitrate under More options if you want it closer to the original.