Convert WebM to GIF
Turn a WebM screen recording or a clip saved from the web into a GIF that any app can show. The conversion happens on your device, and your file stays there.
How it works
- 1
Choose or drop your WebM file, from a screen recorder, a browser extension or a website.
- 2
Set the start in the preview, then choose the length (2 to 15 seconds), the width and the frame rate.
- 3
Click WebM to GIF and download the looping GIF.
Why convert WebM to GIF?
WebM is the web's open video format, using VP8, VP9 or AV1 video. You end up with WebM files when you record your screen with a browser-based recorder or an extension, when you save a clip or an animated sticker from certain websites, or when a tool exports for the web. Browsers play WebM fine, but many places where you want to share a short loop don't accept it: some chat apps, email, documentation tools, issue trackers and older forums.
GIF plays almost everywhere, inline and without a play button. This WebM to GIF converter bridges the two: choose the part you want, and you get a GIF that any app can display.
Screen recordings: make the demo readable
Screen recordings are the most common WebM files to turn into GIFs, for bug reports, pull requests, docs and product updates. They share a pattern: sharp text, large flat areas and small movements. That suits the GIF format well, as long as you pick the right settings.
Choose 640 or 800 px width so text stays legible, and 10 or 12 fps, which is plenty for a cursor and clicks. Raise it to 15 or 20 fps only for scrolling or animations that look choppy. Keep the loop short and focused: 2 to 15 seconds is the range, and a 6-second GIF that shows one action is easier to follow than a long one. If the recording shows your whole screen, crop it to the relevant window first with the Crop Video tool.
Transparency and other WebM quirks
Some WebM files, typically animated stickers and overlays, have a transparent background (VP8 or VP9 with an alpha channel). That transparency is not kept: the GIF gets a solid background. If you need a transparent animation, keep the WebM file.
AV1 WebM files need a browser and device that can decode AV1. If a file doesn't open, try the latest Chrome or Edge, which have the widest codec support, or convert the WebM to MP4 on a device that can read it.
As with any GIF, the sound is dropped, the colors are limited to 256 per frame (computed separately for every frame) and the animation loops forever.
Private by design
Screen recordings often show emails, dashboards or internal tools. Vidmini converts them without uploading anything: the WebM is decoded by your browser's WebCodecs API on your own device. No account, no watermark, no tracking cookies, and it keeps working offline once the page has loaded.
Frequently asked questions
How do I convert a WebM to a GIF?
Drop the WebM file into the tool above, move the preview to where the GIF should start, choose a length between 2 and 15 seconds, a width and a frame rate, then click WebM to GIF. The GIF downloads right away.
Does the GIF keep the transparent background of my WebM?
No. Transparency from WebM files with an alpha channel is not preserved, and the GIF gets a solid background.
What are good settings for a screen recording?
640 or 800 px wide for readable text, 10 or 12 fps, and a short length focused on a single action. Use 15 or 20 fps only if scrolling looks jerky.
Which WebM codecs are supported?
VP8, VP9 and AV1, as long as your browser can decode them. Chrome and Edge have the widest codec support.
Why is the GIF larger than my WebM?
WebM uses efficient video compression, while GIF stores each frame as a 256-color image. Shorter clips, a smaller width and a lower frame rate make the GIF lighter. If the destination accepts video, converting the WebM to MP4 keeps the file much smaller.
Is my recording uploaded anywhere?
No. Everything happens in your browser, and the page is only allowed to contact vidmini.com for its own code.