Fine-tune your GIF animations with the GIF Brightness Changer. Upload a GIF, adjust the settings to your preference, and download the modified version. 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
有时GIF出来太暗看不清，或者太亮发白。与其重新录制或重新导出，不如在这里直接调亮度。可以提亮曝光不足的屏幕录制、压暗过曝的户外片段，或调节任何动画的氛围——全程不影响帧时序和分辨率。
Features
简单的滑块控制，增加或减少所有帧的亮度
实时预览让你精确看到输出效果
帧时序、分辨率和透明度全部保留
完全在浏览器中运行——GIF留在你的设备上
Guide
上传你要调节亮度的GIF
向左拖滑块变暗，向右拖变亮
实时预览所有帧的更新效果
调到满意后下载
Pro Tips
小幅调整（10-20%）通常最自然——大幅调整容易让颜色泛白或阴影丢失细节
如果仅靠亮度调不好，试试配合对比度工具获得更平衡的效果
屏幕录制看不清时，稍微提高亮度加上锐化能大幅改善
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。