UltConvert

GIF to MP4 Converter

Turn a heavy animated GIF into a small MP4 clip with full color and smooth motion, ready for a post, a slide, a chat or the video player on your website.

Video Converter

or drag MP4, MOV, MKV … files here ·

Up to 95 MB each· 20 files at once· Removed after 30 min

Output

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In short

  1. 1The MP4 is usually many times smaller than the GIF it came from.
  2. 2Colors are no longer limited to a 256-color palette, so gradients stop banding.
  3. 3Playback is smoother, because video players are built for motion.
  4. 4The clip is silent and does not loop by itself; the player decides.

Why animated GIFs are so heavy

GIF dates from 1987 and was designed for still images with a few colors. The GIF89a specification added animation by storing frames one after another, each with a color table of at most 256 entries. Every frame is compressed on its own with a simple lossless method, so a few seconds of video quickly add up to many megabytes.

The 256-color limit is the other giveaway. Skin tones, skies and shadows have thousands of shades, so a GIF made from video has to dither them into patterns of dots or show visible bands. That is why a GIF of a film scene looks grainy next to the same scene as video.

Video codecs solve both problems. H.264 keeps millions of colors and stores only the parts of each frame that change, which makes the same animation far smaller and smoother.

GIF and MP4 compared

GIF

GIF image

CompuServe's 1987 format, best known today for looping reaction clips. Each frame uses a small fixed color palette and lossless compression, and one color can be marked fully transparent. Every browser and chat app plays it, though gradients look banded and long clips make heavy files.

  • Lossless
  • Transparency
  • Animation

MP4

MP4 video

The MPEG-4 Part 14 container, standardized in 2001 and now the default for online video. It usually carries H.264 or HEVC video with AAC audio, all lossy, plus optional subtitles. Phones, browsers, smart TVs and social platforms all play it.

  • Lossy
  • Open standard

Why convertYou give up the GIF's built-in looping and its acceptance in every image slot, and gain a file that is far smaller, full color and smooth. Convert in this direction whenever the place you are posting accepts video.

The trade-off is where the file can go. An image field in a form, an email signature or an old forum may only accept images, and there a GIF still works where an MP4 does not. Chat apps, social networks, slide decks and web pages all play MP4, and in those places the video version is almost always the better file.

Quality survives the trip well. The MP4 is encoded from the GIF's own frames, so it cannot be sharper than the GIF, but the dithering and banding of the palette no longer get worse, and the motion keeps its original timing frame by frame.

Where both formats play

GIF, MP4 and WebM in current browsers
Opens inGIFMP4WEBM
ChromeSupportedSupportedSupported
EdgeSupportedSupportedSupported
FirefoxSupportedSupportedSupported
Safari on MacSupportedSupportedSupported
AndroidSupportedSupportedSupported
  • Supported
  • Some versions or devices
  • Not supported

All three play in every major browser, so on a web page the choice comes down to file size, color and whether you need a looping image or a video player.

On your own site, a muted MP4 with the autoplay, loop, muted and playsinline attributes behaves just like a GIF, as MDN's video element reference explains. Browsers only start video automatically when it is muted, which suits a converted GIF perfectly because it has no sound to begin with.

What improves after the conversion

Smaller file
Only changes between frames are stored, so uploads and page loads are quicker.
Full color
No 256-color palette, so gradients and skin tones lose their banding and dither.
Smooth motion
Video players handle frame timing reliably on phones and slow computers.
Plays inline
Chat apps, social networks and slide decks show MP4 directly in the conversation or slide.

Convert up to 20 GIFs at once, each up to 95 MB. The MP4s keep the GIF's dimensions unless you set a lower Resolution, and uploads are deleted after processing, the results 30 minutes later. To go the other way, the Video to GIF tool turns clips into GIFs, and the Video Converter makes WebM for a website.

Using the clip in slides and chats

A GIF dropped into a presentation often makes the whole deck heavy and slow to open, especially when several slides carry animations. The MP4 version keeps the file lean. In PowerPoint, insert it as a video and set it to start automatically and loop until stopped; Keynote and Google Slides have equivalent playback options for inserted video.

In chats and team tools, an MP4 usually plays inline with a play button or starts automatically when muted, depending on the app. If a tool shows the MP4 as a file attachment instead, it may only accept GIFs in that particular place, and keeping the original GIF for it is the simplest fix.

For reaction clips and tutorials, think about length too. A few seconds that loop make the point; trimming a long GIF to the moment that matters gives an even smaller MP4 and keeps viewers' attention.

How to convert a GIF to MP4

  1. Add the GIF

    Drop one or more animated GIFs on the box above, or press Choose Files.

  2. Keep the MP4 settings

    MP4 with H.264 and Remove audio on is preset, since a GIF has no sound. Change Resolution only if you want a smaller clip.

  3. Convert and share

    Press Convert and download the MP4. Post it, add it to a slide or embed it with the loop attributes shown below.

GIF to MP4 questions

Will the MP4 loop like the GIF did?

Looping is decided by the player, not by the MP4 file. Most social apps loop short clips automatically, PowerPoint and Keynote have a loop option, and on a web page the loop attribute repeats the video.

How can a video file be lighter than a short GIF?

GIF stores each frame as a separate indexed-color image with simple compression. H.264 stores only what changes between frames, which needs far fewer bytes for the same animation.

Does the MP4 keep the GIF's transparent background?

No. MP4 with H.264 has no transparency, so transparent areas are shown on a solid background. Animated WebP or APNG keep transparency; both are available in the Video Converter page.

Is there a way to give the clip a soundtrack?

Not in this step: a GIF has no audio, so the MP4 is silent. Add a soundtrack in a video editor afterwards, or use Audio to Video to pair an image with a sound file.

Will the frame rate change?

The MP4 keeps the timing of the GIF, so the animation runs at the same speed. Choose a fixed rate under Frame rate only if a platform asks for one.

Can I turn the MP4 back into a GIF later?

Yes, Video to GIF does that. Keep the original GIF anyway, because each conversion between the two formats loses a little quality.

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