PNG 压缩 | 在线压缩 PNG 图片无损画质
免费 PNG 压缩，保留透明度，支持批量处理
拖拽图片到此处上传
或点击选择文件
💡 提示：也可以直接粘贴图片 (Ctrl/Cmd+V)
压缩设置
选择压缩预设
或点击选择文件
如何压缩 PNG 图片
上传图片
拖放图片或点击浏览。支持所有常见图片格式。
调整设置
选择所需的质量级别和输出格式。实时预览变化。
下载结果
单独下载压缩图片或批量下载。图片在本地处理，保护隐私。
PNG 压缩最佳实践
Choose the right quality level
For PNG images, quality level 80-85 often provides a good balance between file size and visual quality.
Use batch processing for multiple files
Save time by compressing multiple PNG images at once with identical settings.
Preview before downloading
Always preview compressed images to ensure they meet your quality requirements before downloading.
Consider modern formats
For better compression, consider converting to WebP or AVIF formats which offer superior compression ratios.
PNG 压缩常见问题
What is PNG compression?
PNG compression reduces file size while maintaining image quality. Our tool uses advanced algorithms to optimize PNG images for web use.
Is PNG compression lossy or lossless?
PNG supports both lossy and lossless compression. You can choose the compression mode that best fits your needs.
How much can I compress PNG files?
Typically, you can achieve 50-90% file size reduction depending on the original image and your quality settings.
Is my data secure?
Yes, all processing happens in your browser. Your images are never uploaded to our servers.