Merge PDF
Add two or more PDFs, reorder them with the arrows and download a single document with every page. Everything runs in your browser: your contracts, invoices or reports never leave your computer.
PDF files
Files are processed in your browser and never uploaded to any server.
Result
How to use: Merge PDF
- 1Drop or choose the PDFs you want to merge.
- 2Reorder them with the arrows; the first one in the list goes at the start.
- 3Click "Merge PDFs" and a single document will download.
What is it for?
- Combine a month's invoices or receipts into one file.
- Add appendices to a contract or a proposal.
- Send a complete case file as a single attachment.
Merge PDFs without uploading your documents
Why it matters where files are processed
Most PDF-merging sites upload your files to their servers. For invoices, payslips or contracts that means handing personal data to a third party. Here the merge happens with JavaScript in your browser, and you can check it by disconnecting from the internet after the page loads.
What is preserved
Full pages are copied with their text, images, fonts and annotations. Bookmarks (the side outline) and fillable forms may be lost when combining documents from different sources, which is common to any merging tool.
Size of the result
The merged PDF weighs roughly the sum of the originals. If you need it smaller to send by email, shrink the images inside first or export the original documents at a lower resolution.
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Frequently asked questions
Are my PDFs uploaded to a server?+
No. The files are read and combined inside your browser with JavaScript. Nothing is sent over the internet, so you can merge confidential documents safely.
How many PDFs can I merge?+
There's no fixed limit. The only limit is your device's memory: dozens of normal-sized documents merge without problems.
Can I merge password-protected PDFs?+
No. Encrypted PDFs can't be read without the password. Remove the protection first in the app you open it with, then try again.

