Fast, private PDF compression
Email providers and government portals often reject PDFs that exceed 5MB or 10MB. Occursa optimizes document streams and strips redundant objects to fit size limits without compromising document clarity.
PDF tool
Compress PDF Online
Reduce the file size of your PDF documents while keeping optimal quality. Processed 100% in your browser for total privacy.
🔒 Your files never leave your device
Compress PDF Document
Significantly shrink PDF file size for email, government portals, and web uploads.
100% Private (Runs in Browser) Up to 90% Size Reduction Preserves Page Layout
How it works
- 1
Select or drop your PDF document.
- 2
Choose your preferred compression level.
- 3
Download your smaller, optimized PDF immediately.
FAQ
Frequently asked questions
Is this PDF compressor free to use?
Yes, Occursa PDF compressor is 100% free with no account or registration required.
Are my sensitive PDF documents uploaded to a server?
No. All compression and optimization takes place locally inside your browser using WebAssembly and client-side processing. Your files never leave your device.
Will compressing my PDF reduce text readability?
No. Vector text, fonts, and hyperlinks remain sharp and fully readable. Unused object streams and redundant metadata are stripped to minimize file size.