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The mobile app pairs with your account via QR code and brings scanner, signature, chat and documents to your phone.
Merge PDF
Combine several PDF files into a single PDF. Set the order by drag and drop.
- No installation
- Up to 50 files
Merge PDF
Combine several PDFs into one file.
Your files are only used for this tool and are deleted automatically afterwards.
Merge PDFs in three steps
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Add files
Drop two or more PDF files into the box or choose them.
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Set the order
Arrange the files by drag and drop or with the arrows. Open protected files with their password.
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Merge and save
Click "Merge PDF" and download the new file.
Merge PDF files in seconds
Typical uses
- Combine a cover letter, CV and references into one application file
- Bundle several invoices or receipts for accounting
- Join scanned pages and a digital document into one case
- Send the appendices of a contract as a single PDF
Good to know
Pages, images and text are taken over unchanged. With some files, fillable form fields can no longer be edited after merging, so fill in forms beforehand.
FAQ
Questions about merging PDFs
What happens to my PDF files?
Your files are only used for merging and are deleted automatically afterwards.
How many files can I merge?
Up to 50 files of at most 100 MB each, up to 250 MB in total.
Can I merge password-protected PDFs?
Yes, if you know the password. Enter it right in the file list. The merged file is no longer protected afterwards.
Is the quality preserved?
Yes. Pages are taken over unchanged; nothing is recalculated or compressed.
Does it work on a smartphone?
Yes, on smartphones, tablets and computers.
More with PaperOffice AI
PDF work that happens by itself
PDF Studio in the AI-DMS merges, splits, compresses and converts – in the app, in workflows, via API and via MCP in Claude and ChatGPT.
- Merge, split, compress and PDF/A in one flow
- Automatically when new documents arrive, via workflow
- Via API and MCP from your own systems
- Then the AI reads, assigns and files
