Merge PDF
newCombine multiple PDF files into one, in any order you choose.
About Merge PDF
Combine two or more PDF files into a single document. Add your files, drag them into the order you want, and merge — the page order, formatting, and content of every source file is preserved exactly.
Useful for assembling a single report from separate chapters, combining scanned pages into one document, or joining invoices before archiving. Everything runs locally in your browser using pdf-lib, so your documents are never uploaded to a server.
Key Features
Frequently Asked Questions
Is there a limit on how many PDFs I can merge?
No hard limit — everything is processed in your browser's memory, so very large batches are limited only by your device's available RAM.
Are my files uploaded anywhere?
No. Merging happens entirely client-side using the pdf-lib library; your files never leave your device.
Related tools