PDF Merger
Combine multiple PDF files into a single document in seconds.
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Supports formats: .pdf
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About PDF Merger
PDF Merger joins several PDFs into one document in the order you choose. Bookmarks and page sizes are preserved, and each source file keeps its own orientation.
Typical use: combining signed pages, invoices, or scanned chapters that arrived as separate files.
How to use PDF Merger
- 1
Add the PDFs
Select two or more files. They are listed in the order you add them.
- 2
Set the order
Move files up or down until the sequence matches the document you want.
- 3
Merge and download
The combined PDF is built and downloaded in one step.
Questions about PDF Merger
How many files can I merge?
There is no fixed count; the practical limit is the 2 GB total upload size.
Are bookmarks kept?
Yes, existing outlines are carried over and each source file becomes a top-level entry.
Can I merge PDFs with different page sizes?
Yes. Pages keep their original dimensions, so a mix of A4 and Letter stays mixed.
Is the order preserved?
Exactly the order shown in the list at the moment you press merge.
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Last updated November 2026. Files are processed on FilePlume's own hardware and deleted within 60 minutes; nothing is used for training.