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体积大幅缩小Much smaller
图片型 PDF 常可压缩 50%~80%Often 50–80% smaller for image-heavy PDFs
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清晰度可控Quality control
在体积与画质间自由平衡Balance size and quality
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处理完即焚Private
不留存、不分析、不传第三方Not stored, analyzed or shared
如何压缩 PDFHow to compress PDF
- 点击"立即压缩"打开工具Click "Compress now" to open the tool
- 上传或拖入 PDF 文件Upload or drag in your PDF
- 选择压缩强度，开始处理Pick a compression level and process
- 下载更小的 PDFDownload the smaller PDF
常见问题FAQ
压缩后会变模糊吗？Will quality drop?
可选择压缩强度，在体积和清晰度之间平衡，轻度压缩几乎无可见损失。Choose the level; light compression keeps quality nearly intact.
免费吗？Is it free?
完全免费、不限次数、无需注册。Completely free, unlimited, no signup.