Free Online PDF Tools

Compress, Convert, Edit, and Secure Your PDFs — 100% Free & Client-Side Processing

100% Secure
Lightning Fast
No Upload Required
Unlimited Use

All PDF Tools

Choose from our comprehensive suite of professional PDF tools

Why Choose 3DCompress?

100% Secure

All processing happens in your browser. Your files never leave your device, ensuring complete privacy and security.

Lightning Fast

No upload delays. Process your PDFs instantly with our optimized client-side technology.

Unlimited Use

No file limits, no signup required. Use all our tools as many times as you need, completely free.

Works Everywhere

Compatible with all devices and browsers. Use on desktop, tablet, or mobile anytime, anywhere.

No Upload Required

Your files stay on your computer. No server uploads mean faster processing and better privacy.

High Quality

Professional-grade tools that maintain document quality while optimizing file size and format.

Frequently Asked Questions

Are my files safe when using 3DCompress?

Absolutely! All file processing happens entirely in your browser. Your files never leave your device, and we don't store, upload, or access any of your documents. This ensures complete privacy and security.

Is 3DCompress really free?

Yes! All our PDF tools are 100% free with no hidden costs, no file limits, and no registration required. You can use any tool as many times as you need.

What file size limits do you have?

Since processing happens in your browser, the only limit is your device's memory. Most modern devices can easily handle files up to several hundred megabytes.

Which browsers are supported?

3DCompress works on all modern browsers including Chrome, Firefox, Safari, Edge, and Opera. We recommend using the latest browser version for best performance.

Do I need to create an account?

No account needed! You can use all our tools immediately without any registration or login. Just visit, choose a tool, and start working.

How does client-side processing work?

We use advanced JavaScript and WebAssembly technology to process your files directly in your web browser. This means faster processing, better privacy, and no server dependencies.