MKV .mkv
An open multimedia container that can carry video, audio, and subtitles.
MKV file format guideMKV to FLAC converter
Convert MKV (.mkv) to FLAC for free. Choose files, review the available settings and download your results. No account needed.
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Drag files here or choose them from your device.
FLAC .flac
Lossless compressed audio that preserves the original decoded audio samples.
FLAC file format guideHow to convert MKV to FLAC
- Select MKV files from your device or drag them into the converter.
- Check the FLAC output. Open conversion settings if you want to make adjustments.
- Convert, compare the original and result, then download your files.
Quality, compatibility and file limits
Trim a clip, resize the frame, or adjust playback speed before export. Video conversion re-encodes supported streams; subtitles, extra audio tracks, and container attachments are not preserved. Audio output requires an audio track in the input.
Processing uses your device when possible and our servers when required. Browser files are limited to 256 MB each; server conversions to 64 MB; browser spreadsheets to 32 MB. Previews show supported content and do not guarantee identical rendering in every application.