Combine multiple PDF files into one document. Drag to reorder pages before merging. Runs in your browser — files stay on your device.
How to Use
- 1 Upload two or more PDF files
- 2 Drag to reorder them as needed
- 3 Click merge and download the combined PDF
Why Use This Tool
Private & Secure
Your data never leaves your device. Everything is processed right in your browser — nothing is uploaded or stored on any server.
Lightning Fast
No waiting for uploads or server processing. Results appear instantly because all the work happens on your machine.
Free, No Sign-Up
Use this tool as many times as you want. No account required, no email, no limits — just open and go.
Works on Any Device
Use it on your phone, tablet, or computer. No app to install — it runs in any modern web browser.
Frequently Asked Questions
Is PDF Merger free to use?
Yes, PDF Merger is completely free with no usage limits, no account required, and no ads. You can use it as many times as you need.
Is my data safe when using PDF Merger?
Absolutely. PDF Merger runs entirely in your browser. Your files and data are never uploaded to any server — everything is processed locally on your device.
What PDF file size can PDF Merger handle?
Since PDF Merger runs in your browser, it can handle most PDF files. Very large files (100MB+) may be slower depending on your device's memory and processing power.
Do I need to install any software to use PDF Merger?
No installation is needed. PDF Merger works directly in any modern web browser — Chrome, Firefox, Safari, or Edge — on desktop and mobile.