PDF guides for Android

Step-by-step instructions for handling PDFs on your phone — free, on-device, no watermark, nothing uploaded to a server.

• How to merge PDF files on Android

  Combine several PDFs — and images — into one file, in the order you want.

• How to split a PDF on Android

  Pull specific pages out of a PDF, or break a long document into separate files.

• How to sign a PDF on Android

  Sign a PDF in two taps, reuse your saved signature, and fill out form fields.

• How to rotate a PDF on Android

  Fix a page that scanned in sideways or upside-down, permanently.

• How to compress a PDF on your phone

  Shrink a PDF's file size for email or upload limits, without losing readability.

• How to unlock a password-protected PDF on Android

  Remove a password from a PDF you own the rights to, right on your phone.

• How to fill out a PDF form on Android

  Fill in PDF form fields directly on your phone, then save or share.

• How to add a watermark to a PDF on Android

  Stamp text or your own logo image onto every page of a PDF.