Dzzz

Merge PDF

On-device

Combine several PDFs into a single file — drag to set the order, pick page ranges, and merge. Everything runs on your device; your files never leave your device.

About this tool

What you provide

  • Two or more PDF files.
  • The order you arrange them in, and an optional page range per file.

What you get

  • One merged PDF containing the pages you chose, in your order.

Limits

  • Up to 200 MB of PDFs in total.
  • Password-protected files can't be read and are skipped, with a count shown.
  • Runs entirely on your device; your files are never uploaded.

How to use it

  1. Choose your PDFs

    Drop PDFs or tap to choose them; each row shows that file's page count and size, and "Add more PDFs" appends to the list.

  2. Set the order

    Drag the rows into the order you want, or focus a row and press Space then the arrow keys, or use its Move up and Move down buttons.

  3. Limit pages per file

    In the "Pages" box beside a file, type a range such as 1-3, 7 to take only those pages; leave it empty to take all of them.

  4. Merge and save

    Tap "Merge PDFs" and follow the percentage, then save the combined file with "Save / Share".

Frequently asked questions

How do I merge PDF files into one?

Upload your PDF files, arrange them in the order you want, and combine them into a single PDF — the whole process runs on your device.

Is this PDF merger free?

Yes, merging PDFs on dzzz.ai is free and doesn't require creating an account.

Does merging PDFs upload my files to a server?

No, the tool combines your PDFs directly on your device, so your files never leave your device.