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What is Merge PDF?
Documents arrive in pieces: twelve monthly invoices as twelve files, a report whose chapters were exported one by one, or a stack of separately scanned pages. Merge PDF joins multiple PDF files into a single document in the exact order you arrange them, so a scattered set of files becomes one file that's easy to email, archive, or print. Page content is carried over unchanged — merging only concatenates, so nothing is reformatted or resized in the process.
How to use
- Upload the PDF files you want to combine — for example all the invoices for a quarter, or each chapter of a report.
- Drag the files into the order you want them to appear in the final document, first page to last.
- Start the merge; the tool stitches the files together in that sequence into one continuous PDF.
- Download the merged file and check that the page order is correct, especially where one file ends and the next begins.
Common use cases
- Freelancers combine a full quarter's invoices into one PDF before sending them to their accountant.
- Students merge separately scanned textbook chapters into a single study document.
- HR teams assemble application packets — CV, cover letter, certificates — into one file per candidate.
- Property managers join lease agreements, inspection photos, and receipts into one record per tenancy.
FAQs
Do the merged files need to be the same page size?
No. Letter, A4, landscape, and portrait pages can all be merged together; each page keeps its original size and orientation. The result is a single file with mixed page sizes only if the inputs were mixed.
Is there a limit on how many files I can merge?
Practical limits come from total size rather than file count: a dozen ordinary documents merge in seconds, while merging hundreds of large files may take longer or hit processing limits. For very large jobs, merge in batches.
Can I rearrange pages inside the files while merging?
Merging appends whole files in order. If you need to interleave pages from different documents, merge first and then reorder or delete pages with a page-management tool.
Are my documents stored after merging?
No. The uploaded files are used only to produce the merged download and aren't retained. There's no account to create and nothing to install.