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Convert video to MP4

Convert video to MP4 so it plays on any phone, computer or TV. Your file stays yours: it is not sent to a server or stored anywhere. Free, no sign-up, no size limit from us.

MP4, MOV, WebM, MKV and more · any video this device can play

Your privacy comes first

Your contracts, passport scans and family videos stay yours. No one but you gets to see them.

  • We never store your files

    They don’t even reach us: your phone or computer does the work. Nothing to delete later.

  • 100% free

    No daily limits, no file-size cap, no paid Pro plan.

  • No sign-up

    No account to create, no email to give. No account, nothing to hack.

How it works

  1. Choose a videoPick a MOV, MKV, WebM or MP4 from your phone or computer.
  2. Keep MP4 or pick WebM or MOVMP4 plays everywhere. WebM suits websites, MOV suits Apple devices.
  3. Save the new filePress Save video. clip.mov comes out as clip.mp4, and the original stays as it was.

How to convert video to MP4 on any device

A video from one device often won’t open on another: an iPhone MOV on Windows, an MKV on a TV, a WebM in a messenger. MP4 with H.264 picture and AAC sound plays on practically everything, so this video converter picks it by default.

What happens to MOV, MKV and WebM

  • MOV from an iPhone or a camera: instant when the picture inside is H.264. HEVC footage is re-saved as H.264.
  • MKV: H.264 picture is kept as it is. Opus or Vorbis sound is re-saved as AAC, which is quick.
  • WebM from screen recorders and websites: VP8, VP9 and AV1 don’t go into MP4, so the picture is re-saved as H.264. This takes longer.
  • The other way works too: save as WebM for a website, or MOV for a Mac.

Keep the quality you started with

Before you save, the panel shows what will happen. “Instant, same quality” means nothing is re-encoded: the streams only move into a new box. Otherwise the picture is re-saved at the source bitrate, capped at 8 Mbps for 1080p and 5 Mbps for 720p, and the difference is hard to see.

iPhone HEVC to H.264

Newer iPhones film in HEVC, which many Windows PCs, Android phones and TVs can’t play. MP4 from here is always H.264. Safari reads HEVC by itself. On Windows, Chrome and Edge may need the free “HEVC Video Extensions”, and the page tells you if so.

Make the file smaller while converting

Open the gear and set “Picture size” to 1080p, 720p or 480p. To hit an exact number of megabytes, use the video compressor instead.

What you get

  • A new file with the same name and the new extension, such as clip.mp4.
  • The first video track and the main sound. Subtitles and extra audio tracks are left out.
  • Your original file, untouched.

What it can’t open

Browsers can’t read old formats like AVI, WMV, FLV, VOB and 3GP, and the page says so when you pick one. The converter opens MP4, MOV, M4V, WebM and MKV. Re-save older files as MP4 in a desktop player such as VLC first.

Free, fast and all yours

  • Free forever

    Every tool is free and will stay free. No trial, no ads, no paid plan.

  • No sign-up, no login

    Open the page and start. No account, no email, no password.

  • Instant

    Nothing to upload and no queue: a video opens in a second, a simple trim saves in seconds.

  • No file size limits

    We set none. A file can be as big as your device can handle.

  • No watermarks, no copyright

    No logo on top and no rights claimed: what you make is 100% yours.

  • Made for phones too

    The same tools on iPhone, Android and a computer, with big buttons and plain words.

Questions

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