扫描件压缩 | 在线压缩扫描文档 PDF 大小
优化扫描文档和证件照片
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
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如何压缩扫描文档
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。
文档压缩技巧
Optimize for your use case
Different scenarios require different compression strategies. Our presets are tailored specifically for scans.
Use the right format
Modern formats like WebP and AVIF can provide significant file size savings compared to traditional formats.
Batch process similar images
Save time by processing multiple images with the same settings using our batch compression feature.
Preview before saving
Always check the compressed result to ensure it meets your quality standards before downloading.
文档压缩常见问题
How do I compress images for scans?
Use our specialized compression tool optimized for scans. Upload your images, adjust settings, and download the optimized results.
What format is best for scans?
The best format depends on your specific needs. WebP offers great compression for most use cases, while PNG is ideal when you need lossless quality.
Can I compress multiple images at once?
Yes, our batch compression feature lets you process multiple images simultaneously with the same settings.
Is the compression process secure?
Absolutely. All compression happens locally in your browser - your images never leave your device.