Merge PDFs
Combine several PDFs into one file. Drag the rows, or use the arrow buttons, to set the order. Files are merged in memory and never written to disk.
By merging files you agree to the Terms of Service and the Acceptable Use Policy, and you confirm you hold the rights to what you upload. Files are processed in memory and never stored; see the Privacy Policy.
Free online PDF merger
Combine contracts, scans, invoices or chapters into a single PDF without installing anything. Drag the files into the order you want, merge, and download. No account is needed, and your documents never leave server memory.
Frequently asked questions
Is the PDF merger free?
Yes. Merging is free. There is no signup, and nothing is watermarked or held back behind a paywall.
How many PDFs can I combine?
Up to 20 files, 25 MB each and 100 MB per batch, producing up to 2,000 merged pages.
Are my PDFs uploaded and stored somewhere?
They are merged in server memory and discarded as soon as the merged file is returned. Nothing is written to disk or stored.
Can I control the page order?
Yes. Drag the rows to set the order before merging; pages keep the order of the files as listed.