Merge multiple PDF files into one document in any order — free online PDF merger.
About
Combines any number of PDF files into a single document, keeping the order you add them in.
Students use it to combine separate chapter or assignment PDFs into one file before submitting, while office workers use it to bundle several scanned documents or reports into a single PDF to send. Toolapt keeps this alongside its other free PDF tools — skip the sign-up, and run it as many times as you need.
Examples
4 worked examples
Uploading chapter1.pdf (3 pages), chapter2.pdf (4 pages) and chapter3.pdf (2 pages) in that order and clicking "Merge and download" produces one 9-page merged.pdf with each file's pages appearing in that same order.
After adding invoice.pdf, contract.pdf and extra.pdf, removing extra.pdf from the list leaves just invoice.pdf and contract.pdf to be merged.
To get file B before file A, remove A, add B, then re-add A — since files merge in the order you add them, the final PDF has B's pages first.
Uploading 12 scanned single-page PDFs at once merges all 12 into a single 12-page PDF (533 KB), with every page preserved and no fixed limit on file count.
FAQ
Quick answers to common questions about the Merge PDF.
It combines two or more PDF files you upload into a single PDF document, in the order you add them.
Yes. It's free, with no sign-up, no watermark and no limit on how many files you merge.
Yes. Your PDF files are combined entirely in your browser using a small PDF library loaded from this site — they're never uploaded to a server.
Files merge in the order you add them. Remove a file and re-add it, or add files one at a time in the sequence you want, to control the final order.
There's no fixed limit — you can add as many files as your browser's memory can comfortably handle.
No. Every page from every source file is copied into the merged PDF exactly as it was, with nothing added or removed.
Yes. The page is fully responsive and works on mobile, tablet and desktop browsers alike.
It merges standard PDF files; a password-protected PDF needs to be unlocked first with the Unlock PDF tool before it can be merged.
Did Merge PDF work for you?