Video

MP4 转 GIF

使用 FFmpeg.wasm 在浏览器内把短视频转换成 GIF。

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关于这个工具

Need a GIF for a README, a Slack reaction, a tweet? Online converters are free until your video has anything sensitive in it (it doesn't matter that they "promise" not to keep it — you can't audit them). This tool runs a real FFmpeg compiled to WebAssembly inside your browser. The video is read from your disk into memory, processed locally, and the GIF is downloaded — never uploaded. Best results: ≤ 10 seconds source clip, 480px wide, 12-15 fps. Larger sources still work but eat RAM.

隐私说明

只要工具可以在浏览器内完成处理，源文件就不会上传到 PixWarp 服务器。处理过程在你的设备本地进行。

PixWarp 与上传型工具对比

FeaturePixWarpUpload tools
文件隐私尽量在浏览器本地处理通常需要上传到服务器
账号要求无需注册可能要求登录或邮箱
水印不加水印免费版常带品牌水印

常见问题

What's the file size limit?
Hard limit is your browser's memory. Practical limit: a 10-second 1080p MP4 (~20 MB) is fine. Bigger may stall.
Why is the GIF bigger than the MP4?
GIFs use a 256-color palette and lossless compression — they will be larger than equivalent MP4 / WebM. Trim the clip, lower fps, or reduce width to shrink.
Does this upload my video?
No. FFmpeg runs as WebAssembly inside the page. The video bytes never leave your computer.
Why does the first conversion take a few seconds longer?
Loading the FFmpeg WebAssembly core (~30 MB) on first use. After that it's cached.

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