Free PDF ToolsPrivate. Fast. No Limits.
25+ PDF tools that work instantly in your browser. Your files never leave your device — no uploads, no signup, no tracking. Compress, merge, convert, edit, sign, and more. 100% free.
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.
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.
Why Choose PDF Smaller?
Built for simplicity, privacy, and performance. No gimmicks, just tools that work.
Need image optimization? Try iLoveAVIF — convert and compress images to AVIF for 50% smaller files.
Frequently Asked Questions
Everything you need to know about PDF Smaller