Caesium is a free, open source, online compression tool for photos and images (JPG, PNG), supporting batch, preview and many more. Caesium saves space and makes uploads faster.
Compress any files online and for free! This compressor will help you to quickly compress PDF, JPG, PNG, GIF, WEBP, SVG, and Video files without loss of quality.
Compress PNG images online with full transparency support. Reduce file size with optimized PNG-8 conversion.
docsmall 提供免费的在线图片、GIF、PDF处理，包括图片压缩、裁剪、改尺寸，PDF合并、分割、压缩、页面调整等功能。
compressjpg.io是一个免费的在线图片压缩工具，专注于JPG/JPEG格式的图片处理。用户无需注册或安装软件，直接在浏览器上传图片即可快速压缩，自定义质量参数，有效减小文件大小同时尽量保持画质。适用于网站优化、邮件发送、电商上传、日常分享等多种场景，操作简单，支持批量处理，免费使用。
改图侠 (gaituxia.com) 致力于提供安全、极速的本地化图像与文档处理方案。用户无需上传文件，即可在浏览器内完成批量图片压缩、图片分辨率(DPI)修改、HEIC转JPG、RAW格式转换及PDF压缩，合并拆分等实用功能。凭借先进的纯前端技术，为您提供媲美桌面软件的高效体验。
Compress JPEG, PNG, WebP, GIF and SVG images online with adjustable quality. All processing happens in your browser.
Jpeg compressor is a free online image optimization tool that can compress JPEG, PNG, JPG, GIFs, and SVG images without reducing their quality
