jarvisbox

GIF 转 WebM

将 GIF 转为 WebM(VP9)— 体积更小,适合网页嵌入。

100% client-side · ffmpeg.wasm · no upload

Pick a GIF file to begin.

How to convert GIF to WebM

  1. Pick your .gif file.
  2. Pick a quality preset. CRF 32 is a sane VP9 default.
  3. Enable alpha if your GIF uses transparency (uses yuva420p, slightly larger).
  4. Press Convert to WebM, wait, download.

Common use cases

Related: GIF to MP4 · GIF to MOV · Animated WebP Maker · All animation tools

常见问题

Will Safari play WebM?
Safari 16+ on macOS and iOS plays VP9 WebM. For older Safari support, use MP4 instead — see <a href="/anim/gif-to-mp4/">GIF to MP4</a>.
Why does encoding take a while?
VP9 is computationally heavier than H.264. Worth it for size: WebM is often 30–50% smaller than MP4 at the same quality.

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