MP4 is the most common video file there is, and a GIF made from it plays anywhere video won't: inline in email, in Markdown docs, in old forums and in chat apps that show videos as attachments. Mark the moment in your MP4, set the size, and this page turns it into a looping GIF on your device.
When to use this
Typical MP4 to GIF jobs: a feature demo for a GitHub README, a short tutorial step for a help-centre article, an animated header for an email newsletter, a reaction clip from a downloaded video, or a looping product shot for a marketplace listing.
Frequently Asked Questions
Will the GIF be as sharp as the MP4?
Not quite: GIF is limited to 256 colours per frame and has no video compression, so it trades quality for universal autoplay. At 640 px and Best colour, short clips look close to the original.
Why is my GIF bigger than the MP4?
Because MP4 stores only the changes between frames, while GIF stores each frame whole. A GIF is commonly five to ten times the size of the same MP4 clip.
Can I add a GIF to a GitHub README?
Yes. Commit the GIF to the repository and reference it with Markdown image syntax; GitHub plays it inline. Keep it under 10 MB and a few seconds long.
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