Simple, Fast, Secure
Learn how CompressPDF compresses your files while keeping your privacy intact.
Upload Your File
Drag and drop your file or click to browse. We support images (JPEG, PNG, WebP, GIF), PDFs, documents, videos, and many more file types. No file size limit!
Smart Processing
Our system automatically chooses the best compression method based on your file type and size:
Files under 10MB are processed entirely in your browser using WebAssembly. Your file never leaves your device!
Larger files are processed on our secure servers with enterprise-grade encryption. Auto-deleted after 1 hour.
Optimized Compression
Choose your compression level (1-100%) or use our presets. Lower percentage = smaller file size.
Download & Done!
Your compressed file is ready instantly. Download it and see the size savings. That's it - no signup required, no watermarks, no hidden fees.
Original: 5.2 MB
Compressed: 1.8 MB
Savings
65%
Security & Privacy
Your security is our top priority. Here's how we protect your files.
End-to-End Encryption
All file transfers use TLS 1.3 encryption. Your data is secure in transit and at rest.
Client-Side Processing
Small files (<10MB) are compressed in your browser. They never touch our servers.
Auto-Delete
Server files are automatically and permanently deleted after 1 hour. No traces left.
Frequently Asked Questions
Is CompressPDF really free?
Yes! CompressPDF is completely free to use. We don't have hidden fees or premium tiers for basic compression.
Do you store my files?
Small files (<10MB) never leave your browser. Larger files are temporarily stored for processing and automatically deleted after 1 hour.
What file types do you support?
We support 50+ file types including JPEG, PNG, WebP, GIF, PDF, MP4, MOV, ZIP, TAR, GZIP, TXT, JSON, CSV, and many more.
How much can I compress my files?
Compression varies by file type. Images typically achieve 50-80% reduction, PDFs 30-60%, and already compressed files may see smaller gains.
Is there a file size limit?
There's no strict limit. Files under 10MB are processed in your browser, larger files are processed on our servers.