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PDF Metadata Editor

View and edit the title, author, subject, and keywords of a PDF. Runs fully in your browser.

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Edit four descriptive document properties

Title, author, subject and keywords are saved into a separate PDF copy. They help identify a file, but they do not replace useful visible content or guarantee search performance.

Illustration of title, author, subject and keywords being edited beside a PDF

Quick answer: View and edit a PDF's title, author, subject and comma-separated keywords in your browser. Metadata can help identify and organise a file, but it does not guarantee search indexing or higher rankings.

About This Tool

Many PDFs contain descriptive document properties such as title, author, subject and keywords. This tool reads and edits those four fields. They can help people identify and organise a file in compatible readers, but search engines decide indexing and ranking from many signals; changing metadata alone is not an SEO guarantee.

The edit runs in this browser tab. Rewriting a PDF may invalidate digital signatures or affect complex forms, annotations, attachments, links and other unsupported structures. Keep the original and verify important output.

How to Use

Select an unencrypted PDF up to 100 MB.
Review or edit the four fields. Separate keywords with commas.
Click Save Metadata. The tool reopens the new bytes and checks the page count and entered values.
Download the verified copy, then inspect important pages and interactive features in your PDF reader.

Frequently Asked Questions

It is hidden info like title, author, and keywords stored inside the file.

Yes, free with no signup.

No. Editing happens in your browser only.

Yes. Empty a box and save to clear that value.

No guarantee. Descriptive properties may help identify a document, but indexing and ranking depend on crawlability, visible content, links, quality and many other signals.

Yes. Any rewrite can invalidate signatures or alter unsupported interactive structures. Keep the original and verify the edited copy.