Batch compress images - JPEG / WebP quality, PNG lossy / lossless, format conversion and resize, one-click ZIP, all local.
Batch compress images - JPEG / WebP quality, PNG lossy / lossless, live re-compress, one-click ZIP.
了解图片压缩的功能、如何压缩，以及常见问题解答。Batch-compress images, convert formats, resize, and download everything as a ZIP.
图片压缩可批量减小图片体积,支持 JPEG / WebP 质量压缩与 PNG 有损(256 色)/ 无损压缩,并显示每张图的压缩比。
Batch-compress images with JPEG / WebP quality and PNG lossy (256-color) / lossless, showing per-image savings.
支持改格式与尺寸缩放,设置后即时重压,最后一键打包 ZIP 下载。
Convert format and resize, re-compress instantly, and download all as a ZIP.
适合网页图片瘦身与邮件附件优化。
Great for slimming web images and optimizing email attachments.
无需安装软件，批量压缩一步到位。
No software install — batch compression in one step.
前端 / 站长优化网页加载速度。
Frontend developers and site owners optimizing page load speed.
需要压缩邮件附件、社交媒体图片的普通用户。
Everyday users who need to compress email attachments or social images.
通过 Canvas 重绘并调用 toBlob 按质量参数压缩图片。
Redraws images on a canvas and calls toBlob to compress them by quality settings.
PNG 有损模式走 256 色量化以进一步减小体积。
PNG lossy mode uses 256-color quantization to shrink size further.
图片在本机压缩，不上传，隐私安全。
Images are compressed on-device and never uploaded, keeping them private.
有损牺牲少量画质换取更小体积,无损保持原图质量但体积更大。Lossy trades slight quality for smaller size; lossless keeps quality but is larger.
可多选批量处理,数量不限,全部在本地完成。Batch processing, no fixed limit, all local.
不会,压缩全程在浏览器本地进行。No, compression runs entirely in the browser.
