Guides → Merge PDF files on Android

How to merge PDF files on Android

Combine several PDFs — and even images — into one file on your phone, in the order you want, with no watermark and nothing uploaded to a server.

Need to send one tidy document instead of five separate attachments? With PDF42 you can merge PDFs directly on your Android phone in under a minute.

Merge PDFs in 4 steps

  1. Open MergeIn PDF42, open Tools and tap Merge.
  2. Select your filesPick the PDFs you want to combine — you can add images (JPG, PNG) into the same document too.
  3. Reorder by draggingDrag the files into the exact order you want them to appear.
  4. Merge and saveTap Merge, then save or share the single combined PDF.
How this is different

Most "merge PDF" tools — and many apps — upload your files to a cloud server to do the work, and some watermark the result. PDF42 merges on your device, so a contract or ID never leaves your phone, and the output carries no watermark.

Merge your PDFs now

On-device, no watermark, no ad before your file.

Get PDF42 on Google Play

Can I mix in images or reorder pages?

Yes. You can drop photos straight into the merge, and drag everything into the order you want before combining. After merging you can still reorder, rotate or delete individual pages.

Are my files uploaded anywhere?

No. The merge happens on your phone, so your documents aren't sent to a server. That matters most for anything sensitive — agreements, statements, personal IDs.