Edit your GIF animations with the GIF Sharpener. Upload a GIF, apply your changes, and download the result. All processing runs entirely in your browser — your files are never uploaded to any server.
将GIF拖放到此处或点击上传
支持动画和静态GIF文件
About
GIF在压缩或调整大小后经常会失去清晰度，边缘变得柔软、细节变得含糊。这个锐化工具增强每一帧的边缘对比度，恢复清晰度，让文字、人脸和精细细节更容易辨认。快速拯救看起来有点发灰的GIF。
Features
可调节的锐度强度，增强细节又不过度处理
感知边缘的锐化算法让线条和文字在所有帧中更清晰
实时预览，立即对比前后效果
完全基于浏览器——不会上传到任何服务器
Guide
上传需要锐化的GIF
调整锐度强度滑块——稍微调一点效果就很明显
预览锐化动画，确认细节更清晰且没有产生伪影
下载改善后的GIF
Pro Tips
适度使用——过度锐化会在边缘产生可见的光晕和噪点
锐化对原本就稍微偏软的GIF效果最好，严重压缩带条纹的GIF效果有限
如果GIF同时有模糊和清晰的区域，可以先锐化再用质量工具微调输出
FAQ
Upload your GIF and configure the settings. The tool processes everything in your browser using JavaScript, so your files stay private and the result is ready to download instantly.
Yes. All processing happens locally in your browser. Your GIF files are never sent to any server, ensuring complete privacy.
There is no hard limit. Processing speed depends on your device — most modern browsers handle GIFs up to 30–50 MB without issues.
Related
在上方上传你的GIF即可开始。只需几秒钟，完全免费，文件始终留在你的浏览器中。