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Module 07 · Combine
PDF Merge
Combine multiple PDFs into a single document. Drag to reorder, then download.
Drop PDFs here
Select multiple · click to browse
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Guide
How PDF Merge works
Step 01
Drop multiple PDFs
Select two or more PDF files. They're all loaded into memory locally.
Step 02
Reorder
Use the up/down arrows to arrange pages in the order you want them combined.
Step 03
Download merged PDF
One click and you get a single, clean .pdf containing every page from every file.
FAQ
Frequently asked
How many PDFs can I merge?+
There's no hard limit — bounded only by your device's RAM. Twenty or more mid-size files work smoothly.
Does merging change the pages?+
No — pages are copied byte-for-byte via pdf-lib's copyPages. Text, fonts, and images are preserved exactly.
Can I merge password-protected PDFs?+
Not yet — remove the password first in your PDF viewer, then merge.
Is anything uploaded?+
No. Every PDF stays on your device. The output is generated locally and downloaded straight from your browser.