About PDFNinja
Your free, privacy-focused PDF toolkit. Merge, split, compress, convert, and edit PDFs without uploading your files or creating an account.
28+
PDF Tools
100%
Free Forever
0
Files Stored
∞
Usage Limit
Our Mission
We believe everyone should have access to powerful PDF tools without sacrificing their privacy. In a world where online services constantly collect and monetize user data, PDFNinja takes a different approach. We built a suite of PDF tools that process everything in your browser, ensuring your documents never leave your device.
Whether you're a student merging research papers, a professional compressing reports, or anyone who needs to work with PDFs, PDFNinja provides the tools you need without the privacy concerns.
Why Choose PDFNinja?
Privacy First
Your files never leave your device. We use client-side processing to ensure your documents stay private.
Lightning Fast
No upload wait times. Process files instantly in your browser with modern WebAssembly technology.
No Signup Required
Use all our tools without creating an account. No email verification, no passwords to remember.
Works Everywhere
Use PDFNinja on any device - desktop, tablet, or mobile. Install as a PWA for offline access.
100% Free
All tools are completely free to use. No premium tiers, no hidden charges, no usage limits.
Secure Processing
Files are processed in memory and never stored on disk. Your data is automatically cleared when you leave.
Built with Modern Technology
Next.js
Fast, SEO-friendly React framework
PDF-lib
Client-side PDF manipulation
WebAssembly
Near-native processing speed