Free · local browser tool
Merge PDFs without uploading them.
Combine multiple PDF files into one document in your selected order. The entire merge runs inside your browser, so contracts, statements, and client files stay on your device.
Free tools need no account within the standard limits of 20 MB and 100 pages. Larger files require eligible Pro access and are subject to device capacity. Beta rules · Plans and limits
How to use Merge PDF
- 01Choose two or more PDF files
- 02Review the file order
- 03Merge and download the result
Why PDFbuff
A direct path from file to result.
No server upload
No account required
Original pages are copied into one PDF
Works on modern desktop and mobile browsers
Know the boundary
What this tool does—and what it does not.
PDFbuff combines pages as they are. It does not repair damaged files or remove passwords from encrypted PDFs.
Merge PDF FAQ
Before you start.
Are my PDFs uploaded to a server?
No. The browser reads and combines the selected files locally.
Can I merge more than two PDFs?
Yes. Select multiple PDF files and PDFbuff combines them in the displayed order.
Does merging reduce quality?
PDF pages are copied into the output. PDFbuff does not intentionally rasterize or recompress them during merge.
Do I need an account?
No account is required for the free merge tool.
Ready when you are