PDF Merger (combine PDFs into one)

Combine several PDF files into one in the order you choose. Merging happens in your browser and the page count of the result is verified automatically.

  • Runs in your browser (no upload)

Up to 150 MB per file

How to use

  1. Choose or drag and drop two or more PDFs.
  2. Use the ↑↓ buttons to set the order (merged from top to bottom).
  3. Press "Merge PDFs", check the verified page count, and download.

FAQ

Are my PDFs uploaded?

No. Merging happens in your browser and files never leave your device.

Can I merge password-protected PDFs?

No. Remove the password from protected PDFs first, then add them.

Notes & limitations

  • What you enter is processed only on this page and is not sent to YUCTS servers.
  • Bookmarks (outlines) and some form features may not be carried over.
  • Very large inputs can run out of memory on phones (up to 150 MB per file).
  • Password-protected PDFs are not supported.