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Merge PDF
Combine multiple PDF files into a single document. Drag to reorder, everything runs in your browser.
or drop them here
Add as many files and pages as you want
0 KB uploaded. Your file never leaves this browser tab.
Open your browser's Network tab while you use this tool, you will see zero data sent to any server.
IYONM
Cloud tools
Your files
Stay on your device
Uploaded to a server
File size limit
None
Capped on free plans
Works offline
Yes
No
Signup
Never
Pushed for limits
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How to use
📁
1. Upload PDFs
Select multiple PDF files from your device.
↕️
2. Reorder
Drag or use arrows to set the page order.
💾
3. Download
Click Merge and download your combined PDF.
FAQ
Are my PDFs uploaded to a server?
No. Everything runs in your browser. Your files never leave your device.
How many PDFs can I merge?
No limit, add as many PDFs as you need.
Will the merged PDF lose quality?
No quality loss. pdf-lib copies pages exactly as they are.
Can I merge password-protected PDFs?
Currently, only unprotected PDFs are supported. Unlock your PDF first using our Unlock PDF tool.
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