Merge PDF Files Online

Combine multiple PDF files into one high-quality PDF for free. Everything is processed locally in your browser. No uploads. No registration.

Drag & drop PDF files here

or browse files

Supports PDF files only • No file size limit

100% Private

Files never leave your browser

Lightning Fast

Client-side processing

No Upload

Zero server dependency

How does PDF merging work?

All processing happens in your browser using pdf-lib. Your files are never uploaded to any server. The merge happens entirely on your device, ensuring complete privacy and security.