PDF Mikata

How to Check and Remove the Author and Title in a PDF (Free, Works on a Phone)

Published: Oct 19, 2026 | Updated: Oct 19, 2026 | About (Japanese)

Key points
  • Choose a PDF and view what it stores
  • Choose "Remove everything" or "Replace"
  • Save the PDF

Besides what you see on the pages, a PDF stores information (properties) such as the author, title, software and dates. With View and Remove PDF Properties you can check what it stores, then remove or replace it.

Steps

  1. Tap "Choose a PDF" and select one PDF.
  2. The title, author, subject, keywords, software, converter, dates and number of annotations are shown.
  3. Choose "What to do".
  1. To remove comments and markup as well, choose "Remove (keep links)".
  2. Tap "Create the PDF" and save it.

The original is not changed

Your original PDF stays as it is. A new PDF is saved separately.

Text and images written on the pages stay as they are. If a name or address is inside the pages, use Black Out (Redact) Parts of a PDF.
Use "View and Remove PDF Properties (Author, Title)" (free)

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