Convert MP4 to GIF in your browser
Pick the few seconds that matter in your MP4, keep the GIF light enough for any chat app, and download it. The conversion runs on your device, not on a server.
How it works
- 1
Choose or drop your MP4 file, for example a phone clip, a screen capture or a downloaded video.
- 2
Use the preview to pick the start, then set the length (2 to 15 seconds), the width and the frame rate.
- 3
Click MP4 to GIF and download your looping GIF, ready to paste into a chat or a post.
From phone clip to meme in a few seconds
MP4 is the format almost every video ends up in: Android phones record in it, social apps export it when you save a clip, and most video downloads are MP4 files with H.264 video. That makes MP4 to GIF the most common conversion there is, usually for one reason: a moment you want to share as a reaction, a meme or a quick demo that plays by itself.
With Vidmini you don't need to trim the MP4 first. Scrub the preview to the punchline, set the start there and choose a length between 2 and 15 seconds. The rest of the video is simply ignored. For a reaction GIF, 2 to 4 seconds is usually all you need, and a short loop reads better than a long one.
Keep your GIF light for chat apps
An MP4 of a few megabytes can easily become a GIF several times larger, because MP4 only stores what changes between frames while a GIF stores every frame as a picture. Chat apps, forums and email clients handle small GIFs smoothly; heavy ones load slowly or get refused.
For messaging, a width of 320 or 480 px and 10 or 12 frames per second are the sweet spot. On a phone screen the difference with a wider GIF is hard to see, and the file stays small. Keep 640 or 800 px and 15 or 20 fps for moments where detail or smooth motion really matters, such as a sports move or a product demo on a website.
Vertical phone videos are tall: a 480 px wide vertical GIF is already quite big on screen. If you only need the centre of the frame, crop the MP4 to a square first with the Crop Video tool, then open the cropped file here.
What changes when an MP4 becomes a GIF
The sound disappears, because GIF has no audio track. The colors are reduced to 256 per frame; Vidmini computes a new palette for every frame, so faces and bright social-media footage stay natural. The GIF loops forever, so pick a start and an end that flow into each other if you want a seamless loop.
Recent phones sometimes record MP4 in HDR. Those clips may look a little faded after conversion, because the colors are not tone-mapped yet.
Your clip never leaves your device
Personal clips from your phone are exactly the kind of file you shouldn't have to upload to an unknown server. Vidmini decodes the MP4 with your browser's WebCodecs API and builds the GIF on your own device. No upload, no account, no watermark on your meme, and the page keeps working offline once it has loaded.
Frequently asked questions
How do I convert an MP4 to a GIF?
Open the MP4 in the tool above, move the preview to where the GIF should start, choose a length, a width and a frame rate, then click MP4 to GIF. The GIF is created in your browser and downloads immediately.
What settings make a good GIF for WhatsApp, Discord or Slack?
Keep it short (2 to 5 seconds), 320 or 480 px wide and 10 or 12 fps. That keeps the file small enough to send quickly and still looks sharp on a phone. Check the current upload limit of the app you use, since those change over time.
Why is my GIF bigger than the MP4?
MP4 uses modern video compression that only stores changes between frames. GIF stores each frame as an image with up to 256 colors, which is far less efficient. Shorter clips, a smaller width and a lower frame rate bring the size down.
Can I keep the sound of my MP4?
No, the GIF format has no audio. If you need sound, trim the MP4 to the moment you want and share it as a video instead.
Which MP4 files work?
MP4 files with H.264, HEVC (on most recent devices), VP9 or AV1 video, as long as your browser can decode them. Chrome and Edge support the widest range of codecs.
Is my video uploaded?
No. The conversion runs entirely in your browser. The page is only allowed to talk to vidmini.com to load its own code, and no tracking cookies are used.