Compress PDF

Reduce PDF file size online for free.



选择文件
  • 从设备
  • 来自 Dropbox
  • 来自 Google Drive
  • 从 OneDrive
  • 来自网址
最大文件大小 1GB. 升级更多 报名 了解更多

继续操作即表示您同意我们的使用条款。


Medium (good quality)
Select the desired compression level: No Compression for original quality, High for maximum compression and smaller size, Medium for a balance between quality and size, or Low for minimal compression and higher quality.
Compress even more by converting your PDF to grayscale



How To Compress PDF?

  1. Click the “Choose PDF” button to select your PDF files
  2. Click the “Compress Now!” button to start compressing
  3. When the status change to “Done” click the “Download PDF” button

Best Quality

Compressed PDF files are drastically smaller but perfect in quality for sharing via email or web.

Free & Secure

This tool is free and works on any web browser. Plus, files are protected with 256-bit SSL encryption and deleted automatically after a few hours. Your file security and privacy are guaranteed.

Works Anywhere

Our PDF compressor is browser-based. It works on Windows, Mac, Linux, and even mobile devices.



您的数据，我们的首要任务

在 FreeConvert，我们不仅提供文件转换服务，更致力于保护文件安全。无论您转换的是图像、视频还是文档，我们强大的安全框架都能确保您的数据始终安全无虞。凭借先进的加密技术、安全的数据中心和严密的监控，我们全方位保障您的数据安全。

详细了解我们对安全的承诺
  • SSL/TLS Encryption SSL/TLS
    加密
  • Secured Data Centers 安全数据
    中心
  • Access Control and Authentication 访问控制和
    验证

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