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Convert Video to MP4

MOV, WebM, MKV & more → MP4 — often instant

Convert nearly any video to MP4 in your browser. When the video track is already compatible it's remuxed losslessly — a near-instant conversion with zero quality loss — otherwise it's re-encoded on your device's hardware. Nothing uploaded.

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Lossless when possible

If the video inside is already MP4-compatible (like most iPhone MOVs), it's repackaged without re-encoding — instant and zero quality loss.

Nothing uploaded

Your video is processed entirely on your device — it never leaves your browser and nothing is stored on a server. Watch the network tab: no upload.

Free, no watermark, no caps

No account, no watermark, no length or file-size tiers, no daily limit. The things other video sites paywall are simply free here.

How to do it

  1. 1Drop in your MOV / WebM / MKV / other video.
  2. 2Trim if you want just a section.
  3. 3Export — you get a standard MP4 that plays everywhere.

FAQ

Why is my conversion instant?

Many files (iPhone MOVs especially) already contain MP4-compatible video — it just needs repackaging into an MP4 container, which is lossless and takes seconds.

Which formats can I convert?

MOV, WebM, MKV, MP4 variants and more. Anything your browser's decoder can't read falls back to the built-in universal engine, which reads almost everything (including AVI).

Does converting lose quality?

A remux loses nothing. When a re-encode is needed, it runs at a high-quality setting on your hardware — and you can compress separately if you want a smaller file.

More free video tools

🗜️ Compress a Video🎮 Compress a Video for Discord📧 Compress a Video for Email💬 Compress a Video for WhatsApp🍎 Convert MOV to MP4🌐 Convert WebM to MP4📦 Convert MKV to MP4📼 Convert AVI to MP4✂️ Trim a Video🌀 Convert Video to GIF

All free, no watermark, nothing uploaded — your hardware does the work. Open the full Video Studio →