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PDF metadata

PDF metadata is information about the file itself: title, author, subject, keywords, creating software, creation and modification dates and so on. It is stored in the file, is normally not visible, and can leak information when the file is shared.

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Where it is stored

  • Document information dictionary: title, author, subject, keywords, creator, producer, dates.
  • XMP metadata: in XML format, and may include a more detailed editing history.
  • Image EXIF / XMP: in photos, the device, time and location.

How to view it

Open “Document properties” in your PDF reader. For a fuller list, use a tool such as ExifTool.

How to remove it

PDF Text Replacer secure redaction rewrites the whole file, removes the document information, XMP, and EXIF and XMP in images, and checks the result after saving. See Remove PDF metadata and hidden information.

Related pages

Remove metadata

Besides page content, a PDF can hold the author, creating software, attachments, comments, scripts and old versions. Where they live and how to remove them.

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Secure redaction

Finds ID, card and phone numbers and emails by check digit, deletes text and hidden text layers, covers image pixels, rewrites the file and checks residue.

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Pre-sharing redaction checklist

12 checks to tick off one by one, to confirm a file is safe to share.

Learn more →