About PDF Merge

PDF Merge is a free, private browser tool that combines multiple PDFs into one file and lets you drag rows to set the order. Everything happens locally on your device: your files are never uploaded to a server, no sign-up is needed, and it works offline once loaded. Like every tool by Digital Heroes, PDF Merge is 100% free with no limits.

What you can do

Combine several PDF files into one merged document in a single download.
Drag rows to reorder the source files, or nudge them with the ↑ ↓ buttons.
See each file's page count and size, plus a running total of pages before merging.
Add more PDFs at any time, or remove and clear files you no longer need.
Merge entirely in your browser with pdf-lib, files are never uploaded.
Download the combined PDF instantly, even while offline.

How to use PDF Merge

Open PDF Merge in your browser. No signup, no install.
Drop your PDF files onto the zone (or click to browse). Pick as many as you need. Files never leave your device.
Drag rows or use the up/down buttons to set the order you want.
Click Merge and download to get the combined PDF instantly.

Frequently asked questions

Is PDF Merge free?

Yes, PDF Merge is completely free for everyone. No sign-up, no account and no usage limits.

Is it private? Are my files uploaded anywhere?

No. PDF Merge runs entirely in your browser on your own device, so your data never leaves your computer and nothing is uploaded to a server.

Does it work offline?

Yes. This tool is a Progressive Web App, once the page has loaded it keeps working offline, and you can install it as an app from your browser.

Do I need to install anything or create an account?

No. Just open the page and start using it. Installing it as an app is optional and only adds offline convenience.

What does PDF Merge do?

Combine PDFs and reorder pages by drag, locally.

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