PDF Merger
Join two or more PDFs into a single document. Drag the files into the order you want, and the pages are combined in exactly that sequence — no page limit, no account, and no upload.
PDF Merger tool
How to use the PDF Merger
Add your PDFs
Drop two or more PDF files onto the upload area, or press it to browse. You can add more files later without starting over.
Put them in order
Use the up and down controls on each file to arrange them. The merged document follows this order from top to bottom.
Merge and download
Press Merge PDFs. The combined file is built in your browser and appears as a download link when it is ready.
Where your files are processed
Your files are processed locally in your browser and are not uploaded to our servers.
The PDF Merger runs as JavaScript on the page you are reading. When you choose a file, the browser hands it to that code directly — it is never put into a network request, so there is no upload to cancel, no copy sitting in a queue somewhere, and nothing for us to delete afterwards. We could not see your file if we wanted to.
You can verify this rather than take our word for it: open your browser’s developer tools, switch to the Network tab, and run the tool. You will see no request carrying your file. Better still, once the page has loaded you can disconnect from the internet entirely and the PDF Merger will keep working — which it could not do if it depended on a server.
To be exact about what doesleave the page: like the rest of this site, it loads analytics, which record that a tool was opened and whether it succeeded. Those events carry the tool’s name and a duration — never a file, a file name, or anything read out of your file. The tool panel above is also excluded from session recording, so nothing shown inside it is captured either.
Frequently asked questions
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Credits
The file-processing behind this tool is adapted from DoxDock by Mithun Srinivas, used under the MIT Licence. Rebuilt here in TypeScript for this site.