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ToolMug

Edit PDF Metadata

PDF files carry hidden document properties such as the author's name, the software used and when the file was created. See what your PDF reveals, correct the title that appears in browser tabs and search results, or strip everything before you share it.

Runs in your browser — nothing you enter is uploaded

or drop a file here

How to use

  1. Choose a PDF. Its current properties are filled into the form.
  2. Change any field, or clear a field to remove it.
  3. Click Save and download, or Remove all metadata to strip every property.

Options explained

Title
Shown in the browser tab and window title when the PDF is opened, and often used by search engines instead of the file name.
Author, Subject, Keywords
Descriptive properties shown in the document properties dialog of PDF readers.
Creator and Producer
The application that created the original document and the library that wrote the PDF. They can reveal what software and version you use.
Created and Modified
Entered and shown in your local time zone.

Examples

Before publishing a report. Set the title to the report name so browser tabs and search results show it instead of “Microsoft Word - final_v3.docx”.

Before sending a CV. Remove all metadata so the file does not reveal the author account name or the software used.

Frequently asked questions

What is XMP metadata and why is it removed?

Many PDFs store their properties twice — in the classic document info and in an XMP block. Some readers prefer XMP, so edits would appear not to work if the old XMP stayed. The tool removes it so every reader shows your values.

Does this remove all hidden information?

It removes the document properties. Other data such as comments, form contents, attachments or text hidden under images is part of the pages and is not changed.

Does the content change?

No. Pages, text and images are untouched; only the properties are rewritten.

Are my files uploaded?

No. The file is read and rewritten by pdf-lib in your browser.

Privacy

This tool runs entirely in your browser. Your files and text are processed on your device and are never uploaded to our servers.

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