LightBox

Free online converter

WebM to GIF — Make Your Clip Play Anywhere

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MP4, MOV, WebM, GIF, JPG, PNG, WebP, HEIC, ZIP

Up to 100 MB free · 1 GB with Pro

HEIC, animated WebP input, PNG sequences and frame sequence export require Pro.

WebM is a brilliant format the modern web understands — and plenty of apps still don't. Screen recorders, Discord clips, and browser export tools hand you .webm files that then refuse to play in the exact chat, forum, or office tool you wanted to drop them into. Converting the WebM to GIF trades some file size for the one thing GIF still does best: playing absolutely anywhere.

LightBox reads your WebM directly and rebuilds it as a GIF with a palette generated from your actual frames — not the generic 256-color web palette that makes converted clips look sun-bleached. You control the trade-offs before downloading: trim to the seconds that matter, resize down to the width you need, set the frame rate, and pick a quality level that maps to how rich the palette gets.

And if the clip is ultimately headed back to a website, the reverse advice applies: animated WebP (one click away in the same picker) keeps the loop at a fraction of the GIF's size. This page just assumes you need the universal option today.

Why convert with LightBox

Plays where WebM can't

GIF's superpower is ubiquity: three decades of software support it. Converting your WebM to GIF means the clip works in office suites, chat tools, CMS editors, and older apps that reject video files outright — no player, no codec question, no "format not supported".

Palette built from your footage

Every GIF lives or dies by its 256 colors. LightBox runs a palette-generation pass over your actual frames first, then applies it with careful dithering — so a sunset stays a sunset instead of three orange bands. It's the quality trick most converters skip.

Keep the size sane

GIFs grow fast, so the converter puts length, width, and frame rate in your hands before export. A trimmed, 480-pixel, 12 fps GIF shares cleanly in any chat; an untrimmed full-HD one gets rejected by upload limits. The before/after sizes show you exactly what you saved.

Free forever. Pro when you need more.

Convert common formats free. Lifetime Pro adds more capacity and permanent hosting, with no subscription.

LimitFreeLifetime Pro
File size100 MB1 GB
Per day4 filesUnlimited
Files kept1 hourForever
Batch1 file20 files
QueueStandardPriority
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Frequently asked questions

Compatibility. WebM is efficient but not universal — plenty of messaging apps, document tools, and older platforms won't play it. GIF is an image as far as software is concerned, so it renders virtually everywhere. Convert when the destination matters more than the file size.

Partially. GIF supports only on/off transparency — each pixel is either fully visible or fully invisible — so soft alpha edges from a WebM with transparency come out hard. If you need real alpha in a small animated file, animated WebP is the better target; it carries 8-bit transparency.

12–15 fps is the sweet spot for most clips: motion still reads smoothly, and the file is roughly half the size of a 30 fps export. Only go higher for fast action that visibly stutters, and consider 8–10 fps for slow screen recordings — it's often indistinguishable.

Animated output is capped at four minutes, though practical GIFs are far shorter — size grows with every frame, so a trimmed few seconds is usually the right call. For longer content, WebM-to-WebM compression or animated WebP will serve you much better.

No. Converting is free, anonymous, and watermark-free — upload, convert, download, done. Files are auto-deleted after about an hour. The optional one-time Pro upgrade exists for heavy users: batch conversion, a permanent library, presets, 1 GB uploads, and no daily cap.

More conversions

WebM to WebPWebM to MP4PNG to AVIFJPG to AVIFVideo to frames

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