MKV to FLAC audio Converter

Convert MKV video to FLAC audio in a browser-only batch. Files, streams, metadata, and results are never uploaded.

Common output settings

Advanced video, audio, and stream settings

The private batch workspace is ready. Video encoding becomes available after the verified browser engine is loaded.

MKV probe and decode → stream-aware conversion → FLAC audio verify

MKV input can carry several stream types, so codecs, tracks, chapters, subtitles, and attachments are inspected explicitly.

FLAC output extracts one selected audio stream and stores it losslessly with compatible metadata.