PDF Merger

Combine multiple PDFs into a single file, in the order you select them. Nothing is uploaded.

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Private merging

The merge happens entirely in your browser with the open-source pdf-lib library — your documents never touch a server, making this safe for contracts, ID documents, bank statements and degree certificates. Files merge in the order you select them in the picker. Password-protected PDFs must be unlocked first.

How to use this tool

  1. 1Select two or more PDF files.
  2. 2They merge in the order selected.
  3. 3Tap Merge PDFs.
  4. 4Download the combined file — all done in your browser.
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Frequently asked questions

Are my PDFs uploaded anywhere?

No — merging happens in your browser with an open-source library. Safe for private documents.

Can I merge password-protected PDFs?

Locked files are skipped with a note. Unlock them first, then merge.

Can I choose the order?

Files merge in the order you select them in the file picker — select them one by one in your desired order, or rename files (1-, 2-, 3-) before selecting.