Compress PDF Files - Reduce Size Securely & Online

Optimize your PDF documents by reducing their file size. Choose from predefined levels or customize compression settings. This tool is fast, free, and processes everything securely in your browser.
Secure & Private: PDF operations are processed entirely in your browser.

Your Free and Secure PDF Compression Tool

Upload PDFs to Compress
Upload one or more PDF files to reduce their size.

Click to upload or drag and drop

Max file size: 10MB. Accepted: .PDF, PDF

Further Reading & Resources

The Security Risks of Using Online PDF Tools

An insightful article on why browser-based processing (like One23PDF uses) matters for your data security when handling documents online.

The Rise of Browser-Based PDF Editors: Security Meets Convenience

Learn more about the advantages of client-side PDF manipulation, focusing on both security and user convenience.