Compress PNG
Compress PNG images online while keeping transparency
拖拽图片到此处，或点击上传
支持批量上传 PNG / JPG / WebP，单张最大 20MB
About this tool
A PNG-focused compressor that keeps the alpha channel intact:
- Transparency preserved: alpha backgrounds survive compression
- Adjustable quality: from 10 to 100 percent
- Live preview: compare before and after
- Compression rate: see exactly how much was saved
When to use it
- Compress site logos and icons so pages load faster
- Compress UI assets with transparent backgrounds
- Compress PNG screenshots for sharing
- Optimize PNG resources bundled in an app
Built for PNG icons, logos and UI assets. Everything runs locally in the browser.