Step 1: Drop your MKV files using the button above or by deposit and leave.
Step 2: Click the 'Convert' button to start the conversion.
Step 3: Receive your converted FLAC files.
MKV to FLAC Conversion FAQ
How do I convert an MKV file to FLAC?
+
Upload your MKV file using the picker above and the converter detects the source type and runs the MKV → FLAC pipeline. The result downloads automatically when conversion completes; no account needed for one-off conversions.
Does converting MKV to FLAC improve the audio quality?
+
No, and it is worth being blunt: nothing can. The MKV already discarded detail during its original encode, and wrapping what remains in a lossless FLAC preserves exactly that — no more. The file gets several times larger and sounds identical. It is still the right move before editing, because FLAC will not add a second generation of artefacts when you export. FLAC gives you WAV fidelity at half the size, with proper metadata tags and embedded artwork, which is why it dominates lossless music libraries. MKV has almost no native hardware support — phones, browsers and TVs usually need VLC or a remux before they will play it.
Can I tag the FLAC with artist and album information?
+
Yes, and it is a genuine gain over MKV, which has nowhere dependable to store any of it. FLAC carries title, artist, album, year, track number and embedded cover art in the container itself, so a music library files it correctly without a manual pass.
Is the MKV to FLAC converter free?
+
Yes — basic MKV → FLAC conversion is free with no registration. Premium adds higher per-file size limits, more parallel batch workers, and removes ads.
How big an MKV file can I convert to FLAC?
+
Free accounts: up to 100 MB per MKV file. Premium: typically 1 GB per file, depending on the MKV source type. Very large files are split into chunks server-side when the FLAC format allows.
Will conversion change the content of my MKV?
+
Conversion preserves all information that both MKV and FLAC can represent. Format-specific features that the FLAC format doesn't support (e.g. vector data in raster output, formulas in plain-text output) are rasterized or stripped — see the format-specific notes on the result page.
Can I convert many MKV files to FLAC at once?
+
Yes — drop multiple MKV files into the upload zone and they are queued in parallel. Premium has more parallel workers; on a 50-file batch this is the difference between minutes and seconds.
Does the MKV to FLAC converter work on phones and tablets?
+
Yes — the UI is responsive and the conversion pipeline runs server-side, so mobile devices upload-then-download just like desktops. iOS and Android browser file pickers (camera roll, Files app) work end-to-end.
Which browsers does the MKV to FLAC converter support?
+
Chrome, Firefox, Safari (15+), Edge, and Opera. The converter uses standard `<input type="file">` upload — no WebAssembly or PWA dependencies — so even older browsers work.
Are my MKV files kept private?
+
Yes — uploaded MKV files are processed in isolated workers and deleted within minutes. We never view, retain, or share content. See /privacy/ for the data-retention window.
What if the FLAC download doesn't start automatically?
+
Disable any pop-up blocker, then click the download button manually. The result link stays active for 24 hours, so if your network fails mid-download, you can re-trigger from the result page without re-uploading the MKV.
How long does MKV to FLAC conversion take?
+
Typically seconds for small files, a minute or two for files near the size cap. Server-side pipeline runs on dedicated workers — your laptop CPU isn't the bottleneck.
