Image crop
Drag to crop freely or lock to 1:1 / 4:3 / 16:9; rotate and choose the export format.
把图片拖到这里，或点击选择
支持 JPG / PNG / WebP / BMP；一次处理一张
图片裁剪的常见用法
按平台要求裁成固定比例。很多平台对图片比例有硬性要求：社交头像与商品主图多为 1:1，短视频封面 9:16，公众号封面 16:9，简历照片常见 3:4。先在比例里选好，再拖动选框，能避免"传上去被自动裁掉一半脸"这种问题。
自由裁剪用来去水印、去多余边角。例如截图里带了无关的浏览器工具栏、扫描件四周有大片空白、聊天记录截图需要只保留关键几句。选"自由"比例，把框拖到需要的区域即可。
旋转再裁剪。手机竖拍的照片有时方向不对，先点"左转/右转 90°"把画面转正，选框会自动重置，然后再裁——顺序反了会白裁一次。
关于画质。裁剪本身不改变像素密度，是"无损"操作；但导出时会按你选的格式重新编码（JPG 有损、PNG 无损）。要保留透明背景（例如 Logo、图标）请选 PNG，JPG 会把透明区域变成白色。
Privacy note:裁剪与旋转全部在你的浏览器里完成，图片不会被上传到任何服务器，可在浏览器开发者工具的 Network 面板自行核验；相册、证件照、工牌等敏感图片也可放心处理。
FAQ
Cropping itself does not reduce clarity. Blur usually has two causes: you exported as JPG with too low a quality (use 90% or above), or the source image resolution was already insufficient - cropping a small area and then enlarging it will look soft. In that case crop first and enlarge afterwards, or re-crop a larger area from the original.
This page handles one image at a time - each image needs its crop position set individually. For batch compression, use our image compression tool.
Not directly - browsers cannot decode that format. First convert to JPG with our 'HEIC to JPG' tool on this site (photos are processed locally in your browser, not uploaded), then come back to crop.
No. The page makes no file-upload requests; all processing runs inside your browser, and nothing persists after you refresh.