ANY → MKV

Convert any video to MKV

Drop any video file — get a MKV file in your browser. Multiple files at once, no upload on the fast path.

4.8/5

9,214+ video files converted

From
To

Converting video to MKV is one of the most common jobs people bring to a browser converter. Flexible Matroska container that holds almost any codec plus multiple audio and subtitle tracks. Because everything here runs locally with WebAssembly, your files never leave your device — there is no upload, no account, and no daily limit on the fast path.

For developers

Looking to programmatically convert any image to MKV?

Same engine, available as a JSON API. Drop a file or URL via REST and get the converted video back — no browser, no UI, no rate limits on paid tiers.

  • Fast response on common video pairs

  • Webhook delivery for batch jobs

  • Dozens of video format pairs supported

Get free API access
Side-by-side

any image vs MKV: how they compare

The numbers and capabilities at a glance, so you know what you're trading.

MKV

Year released
2002
Compression
Codec-dependent
Transparency
Codec-dependent
Animation
Yes (video)
Browser support
Players, limited browsers
Best for
High-quality archives

Accepted inputs

  • AVI
  • MOV
  • MP4
  • WEBM
Heads up

Heads up before converting to MKV

What this specific conversion changes about your video.

Lossless when the codecs already fit

If your any image uses codecs MKV accepts, we remux (rewrap) it losslessly and instantly. A codec change re-encodes, which recompresses slightly.

Best practice

Best practices for MKV

Small choices that keep your output sounding right.

  • Play the MKV result back before deleting your original any image.
  • Pick a preset (Web, Mobile, High quality) to balance size and quality for your MKV.
Deep dive

The importance of a good video conversion

Why getting any image → MKV right matters more than you think.

Convert any video to other formats

Convert other formats to MKV