Best for page weight, uploads, and delivery files
A JPG compressor is most useful when the image already looks the right size on the page but still adds unnecessary weight. That is common with product images, blog photos, and handoff files.
Make JPG files lighter for websites, blogs, and uploads with a local-first workflow that keeps the original when the savings are not worth the tradeoff.
自定义 · 保留原始格式 · 智能优化(推荐) · 原始分辨率
你也可以点击选择文件。
支持格式:JPEG、PNG、WebP、AVIF
Pro 支持一次压缩整个文件夹和 ZIP。
部分格式可能会因浏览器环境而产生不同结果。
这张沙漠照片是在 KaruImg 中用与首页相同的浏览器本地流程压缩得到的。拖动滑块,对比细节保留和文件体积下降的效果。
示例照片授权来源 Unsplash
If a JPG already fits the layout but still feels too heavy, compression is usually the cleanest next step before you consider a different format.
A JPG compressor is most useful when the image already looks the right size on the page but still adds unnecessary weight. That is common with product images, blog photos, and handoff files.
The goal is not to find the lowest possible number. It is to reduce the file until the visible result still feels unchanged in the place the image will actually be used.
在保持简单流程的同时,图片处理只在浏览器内完成,是否保留原文件的判断也更加稳妥。
无需上传,直接在 Web Worker 中运行,快速且安全。文件不会离开你的设备。
如果没有体积收益,就不会强行牺牲画质,而是安全地保留原图。
没有复杂的质量滑块。系统会分析每个文件,并自动选择最合适的压缩设置。
零配置 • 本地优先 • 隐私优先