Merge PDF

Combine multiple PDF files into a single document. Drag to reorder files before merging. Ideal for reports, invoices, and multi-part documents.

Files never leave your device Always free No server uploads No sign-up No watermarks

Processing happens on your device — nothing is uploaded.

How It Works

Add your PDF files

Drop two or more PDF files onto the drop zone. All files load instantly in your browser.

Reorder pages

Drag and rearrange the file cards to set the final page order before merging.

Download merged PDF

Click Merge PDF — one combined document downloads immediately. No sign-up required.

Frequently Asked Questions

What is Merge PDF?

Merge PDF is a free, browser-based tool on TitanFile that lets you combine multiple PDF files into a single document. Drag to reorder files before merging. Ideal for reports, invoices, and multi-part documents. Everything runs locally on your device — no files are ever uploaded to any server.

How do I use Merge PDF?

Open the Merge PDF page, add your file or enter your data, adjust any settings, then click the action button. Your result is ready instantly — no sign-up or installation required.

Are my files private?

Yes — all processing happens entirely in your browser using JavaScript. Your files and data never leave your device and are never uploaded to any server. We cannot see your files even if we wanted to.

Does this work offline?

Once the page has loaded, Merge PDF works without an internet connection. You can install it as a PWA to your home screen for instant offline access.

Is there a file size limit?

There is no server-side limit because everything runs locally in your browser. The practical limit is your device's available memory. Most modern devices handle files up to several hundred MB without issue.

Why is this free?

TitanFile is ad-supported and passion-driven. We believe powerful tools should be accessible to everyone. Merge PDF — like every tool on TitanFile — will always be free with no paywalls, watermarks, or hidden fees.