Merge PDF
Combine multiple PDFs into one. Drag to reorder, then download. Nothing is sent — everything happens in your browser.
Drop your PDFs here
or click to choose — multiple files, no size limit
0 bytes sent — this file never leaves your computer
In doubt? Open DevTools (F12) → Network tab: no upload occurs.
How it works
1
Choose PDFs
Drag as many as you like.
2
Order
Drag the covers to reorder.
3
Download
A single PDF, instantly.
Related tools
Frequently asked questions
How to merge multiple PDFs into one for free?
Drop all files in the area above, drag the covers to set the order, and click Merge and download. It's 100% free, no sign-up, and the merged PDF is generated directly in your browser.
Is merging PDF online safe?
Yes. When merging PDF here, nothing is sent to any server — the files are combined in the browser itself and never leave your computer. So you can merge confidential documents with peace of mind.
Is there a limit on files or size for merging PDF?
We impose no limit on quantity or size: the only limit is your device's memory, since all processing happens locally. You can merge dozens of PDFs at once, without sign-up and for free.