File converter · Free · No signup

Convert MKV to MP4 Free Online

Free MKV to MP4 video converter. Stream MKV on any device by remuxing or transcoding to MP4. No signup. UK platform.

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MKV · free up to 25MB
MKV
FreeNo signup needed
PrivateAuto-deleted files
UK platformIBI Technologies Ltd

How it works.

Convert MKV (Matroska) videos to MP4 with H.264 video and AAC audio. Works on phones, smart TVs, browsers, universal playback. Free, no signup.

Frequently asked questions.

Does subtitles get carried over?

Soft subtitles are extracted to a sidecar SRT file. Hard-coded subs are preserved.

Does it transcode or remux?

Remuxes if the source streams are already H.264/AAC. Otherwise transcodes, slower but compatible.

Is it free?

Yes, completely free, no signup needed.

What file size can I convert?

Free: up to 25MB per file, no signup needed. Pro: 500MB. Elite: 1GB. Limits are per file and enforced server-side.

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