Smallest PDF Compressor Online
Need the smallest possible file size? Our extreme compression mode pushes the boundaries to give you the absolute smallest PDF possible while maintaining essential readability.
100% Local Privacy
Your files never leave your computer
Local Browser Power
Instant Processing in Browser
Secure Client-Side Processing
Data is handled entirely within your browser for maximum security
Better Results
Privacy first local processing.
Safe
Fast
Free
Common Questions
How do I reach the size limit precisely?
PdfXpo uses adaptive compression to target specific size thresholds while maintaining quality.
Is it free to use in EN?
Yes, PdfXpo is 100% free with no registration required for all users worldwide.