PDF Metadata Editor

Edit title, author, subject and keywords of a PDF

100% free. This tool needs our server to do the work, so what you submit is sent there, processed and then discarded - it is never stored.

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Drop your PDF here to edit metadata

PDF files only · Max 100 MB

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About this tool

Every PDF carries hidden metadata - title, author, subject, and keywords - that doesn't show up on the page but is stored in the file itself and can appear in search results, file properties, and document management systems. This tool lets you view and edit that metadata directly, useful for correcting an author name, adding proper keywords for organization, or cleaning up sensitive information before sharing a file.

How to use this tool

  1. Upload PDF fileOpen the document whose metadata fields you want to update.
  2. Review current fieldsInspect title, author, subject, keywords, and related document properties.
  3. Edit metadata valuesUpdate inaccurate, outdated, or sensitive fields to final intended values.
  4. Save updated PDFDownload revised file with corrected metadata and unchanged page content.

Key features

  • Improves document organization and search discoverability.
  • Helps remove unintended author/tooling disclosure.
  • Useful for publishing and compliance-ready document hygiene.
  • No need for heavyweight desktop PDF suites.

Common uses

  • Setting correct title/author before client delivery.
  • Cleaning metadata for anonymized public sharing.
  • Standardizing archive metadata across document batches.
  • Improving enterprise DMS keyword indexing.

Tips for better results

  • Use consistent naming conventions across related files.
  • Remove personal names/device clues before external sharing.
  • Align keywords with actual document purpose for retrieval.
  • Verify metadata with viewer tool after export.

Mistakes to avoid

  • Leaving default exporter metadata in final published documents.
  • Stuffing irrelevant keywords that harm document findability.
  • Expecting metadata edits to alter visible page headers automatically.
  • Forgetting to sanitize sensitive fields in public releases.

Frequently asked questions

No - metadata is separate from the page content. Editing the title, author, subject, or keywords doesn't alter anything on the pages themselves.

Common reasons: correcting an inaccurate author/title before publishing, adding keywords to help the file surface in searches, or removing metadata that reveals more than you intended (like the original file path or software used).

Yes - the Metadata Viewer tool shows all of a PDF's current metadata without changing anything, if you just want to inspect it first.

Yes. Metadata Editor is free for normal use with no account required, and ToolBox does not add a watermark to your result.

Most tools in this category run in your browser so the file stays on your device. If a tool needs a temporary server job, files are handled for that job only and are not kept as a lasting archive.

No install needed. Open Metadata Editor in your browser, add your file or paste your input, then download or copy the result.

Yes on modern mobile browsers. For large files, a desktop browser is usually faster and more reliable.

Try a different quality or format setting, use a smaller input, or open a related tool (for example compress before convert). Keep a copy of the original file before replacing it.

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