Powerful Features
Discover why millions of users trust our PDF compressor for their document optimization needs. Advanced features, uncompromising security, and lightning-fast performance.
Core Features
100% Secure Processing
All PDF compression happens locally in your browser. Your files never leave your device, ensuring complete privacy and security.
Lightning Fast Compression
Advanced compression algorithms powered by Web Workers provide instant results without compromising quality.
Completely Free
No registration, no payment, no limits. Compress as many PDF files as you need without any restrictions.
Premium Quality Output
Maintain document quality while reducing file size by up to 80% using intelligent compression techniques.
Technical Capabilities
Browser-Based Processing
No software installation required. Works directly in your web browser using modern Web APIs.
Customizable Compression Levels
Choose from low, medium, or high compression levels to balance file size and quality according to your needs.
Support for Large Files
Handle PDF files up to 500MB in size with efficient memory management and processing.
Instant Download
Download your compressed PDF immediately after processing with no waiting time or queues.
Multi-Language Support
Available in 10+ languages including English, Chinese, Spanish, Arabic, and more.
Mobile Responsive
Works perfectly on desktop, tablet, and mobile devices with an optimized responsive design.
No Data Collection
We don't collect, store, or analyze your files. Complete privacy protection by design.
Real-time Progress
Track compression progress with detailed status updates and estimated completion time.
How PDF Compression Works
1. Upload PDF
Select your PDF file or drag and drop it into the upload area
2. Choose Settings
Select compression level based on your quality vs size preference
3. Process
Our algorithms compress your PDF locally in your browser
4. Download
Download your optimized PDF with reduced file size