100% Private • No Server Uploads • Instant Results

Free PDF CompressorReduce PDF Size by 95%

Compress PDF files online free - resize PDF & make PDFs smaller instantly in your browser. Best PDF size reducer with 100% privacy. No uploads, no tracking, just fast compression.

✓ Zero Data Collection✓ Browser-Based Processing✓ No Registration Required✓ Instant Results

Professional PDF Compression & More

Powerful compression that actually works, plus 20 other essential PDF tools - all free.

Built for Privacy & Performance

We're not just another PDF tool. We're building the future of document processing.

NEW

Real PDF Encryption

Custom-built RC4 128-bit encryption engine. We achieved what others said was impossible - true PDF password protection in under 1MB.

100% Private

Your files never leave your device. Everything happens in your browser - no uploads to any server.

Smart Optimization

Reduces file sizes by removing redundant data and optimizing structure. Perfect for email attachments.

Unlimited & Free

Compress as many PDFs as you want. No daily limits, no hidden fees, no premium versions.

Works Instantly

No waiting for uploads or downloads. Your PDF is compressed in seconds, right on your device.

Quality Control

Choose your compression level. Keep text sharp while reducing image sizes intelligently.

SSL Secured
End-to-End Encryption
Works Worldwide
No Server Processing

Why Choose PDF Smaller?

Built for simplicity, privacy, and performance. No gimmicks, just tools that work.

20+
PDF Tools Available
All completely free
Instant
Processing Speed
No upload delays
100%
Privacy Guaranteed
Files never leave your device
Any Device
Works Everywhere
Browser-based solution
✓No registration required
✓No watermarks added
✓Up to 100MB files
✓No usage limits

Frequently Asked Questions

Everything you need to know about PDF Smaller