🎞️ GIF 动图缩放（改尺寸）GIF Resizer
在浏览器里修改 GIF 动图的宽高：可锁定比例或按 25%/50%/75%/200% 缩放，逐帧解码重新编码并保留每帧延时和透明度，可同时调整播放速度和颜色数，处理前后对比尺寸和文件大小，适合做表情包、头像和论坛签名。Resize animated GIFs in your browser: lock the ratio or scale by 25/50/75/200%, with every frame decoded and re-encoded keeping delays and transparency. Optionally change playback speed and colour count, and compare size and file weight — for stickers, avatars and signatures.
使用说明与常见问题How-to & FAQ
「GIF 动图缩放（改尺寸）」是什么？What is the GIF Resizer?
在浏览器里修改 GIF 动图的宽高：可锁定比例或按 25%/50%/75%/200% 缩放，逐帧解码重新编码并保留每帧延时和透明度，可同时调整播放速度和颜色数，处理前后对比尺寸和文件大小，适合做表情包、头像和论坛签名。Resize animated GIFs in your browser: lock the ratio or scale by 25/50/75/200%, with every frame decoded and re-encoded keeping delays and transparency. Optionally change playback speed and colour count, and compare size and file weight — for stickers, avatars and signatures.
如何使用「GIF 动图缩放（改尺寸）」？How do I use the GIF Resizer?
拖入 GIF，输入目标宽度（高度会按比例自动计算）或点百分比按钮，然后点“开始缩放”，预览满意后下载。Drop a GIF, enter a width (height follows) or click a percentage, press Resize and download when happy.
缩放后为什么文件没变小？Why isn’t the file smaller?
GIF 大小主要取决于帧数和颜色复杂度。可以把颜色数改为 128 或 64，或配合“GIF 压缩”进一步减小。GIF size depends mostly on frame count and colour detail. Try 128 or 64 colours, or use the GIF compressor too.
支持多大的 GIF？How large can the GIF be?
取决于设备内存，几十 MB、几百帧的动图在电脑上一般都能处理；手机上建议先裁剪或减少帧数。It depends on memory; desktops usually handle tens of MB and hundreds of frames. On phones, crop or trim frames first.
「GIF 动图缩放（改尺寸）」免费吗？文件会上传吗？Is the GIF Resizer free? Are my files uploaded?
「GIF 动图缩放（改尺寸）」完全免费，无需注册。文件只在你的浏览器里读取和处理，不会上传到任何服务器，关闭页面后不留痕迹。The GIF Resizer is free with no sign-up. Files are read and processed only in your browser, never uploaded, and nothing is kept after you close the page.