Video
Turn your WebM files into FLAC in seconds. Everything happens in your browser: nothing is uploaded to any server.
Drag your files here
Or paste them with Ctrl+V. They never leave your device.
Editing programs, TVs and old phones often cannot open it. As FLAC it is stored losslessly and much smaller than a WAV.
WebM is an open, patent-free video format made for the web; here it comes out with VP9 video and Opus audio.
Strengths: It compresses very well and plays directly in Chrome, Firefox, Edge and recent Safari.
Limits: Editing programs, TVs and old phones often cannot open it.
FLAC compresses audio without losing anything: it plays back exactly like the original.
Strengths: Ideal for archiving music at CD quality or better in about half the size of a WAV.
Limits: It weighs several times more than an MP3 and some simple devices do not play it.
No. The WebM to FLAC conversion runs entirely in your browser, with code downloaded from this site and executed on your device. You can check it in the Network tab of the developer tools or by going offline after the page loads.
Yes: in the options set the start and end time, for example from 1:30 to 2:45, and only that clip is extracted.
Up to 2 GB and 3 hours of video on desktop; on mobile, 500 MB and 30 minutes (AVI: 1 GB and 1 hour on desktop). If it is over, you are told before it starts and can trim it.
Yes. Drop as many WebM files as you like: several are converted at the same time, depending on your processor cores, and when they finish you can download each FLAC or all of them in a ZIP.