View and edit PDF metadata

What this tool does

Review descriptive Info fields before sharing a document. This operation does not inspect every embedded item or remove hidden metadata.

When to use it

Use View and edit PDF metadata when you need the specific operation described here and can check the result against your own source. Keep the original and work on a copy.

Steps

  1. Load the PDF and select Read metadata.
  2. Review title, author, subject and keywords; edit only what is needed.
  3. Apply, download and check the copy with an independent reader.

Worked example

Input: Title Report A, original author retained.

Expected result: The copy has the new title; no new authorship is assigned automatically.

Common mistakes

  • PDF 5 MiB/50 pages; editable fields up to 1,000 characters each.
  • Does not clean XMP, attachments or internal structures. Signatures may be invalidated; encrypted PDFs are unsupported.

If an error appears, reduce the input or correct the specified field. Do not treat an unsuccessful operation as a valid result. Repeat the example with synthetic data to separate an input problem from a tool problem.

Limitations and privacy

Inputs are processed in your browser. Visiting the site downloads its resources, but the tool does not upload the document or text. Results are not automatically stored. Check downloaded files before using them in a workflow.

Editing a PDF may invalidate digital signatures and does not sanitize its active content. This guide does not promise preservation of every form, attachment or advanced document feature.

Frequently asked questions

Does this change the original?

No. Keep the source and explicitly download or copy the result you want to retain.

What should I check before using the output?

The copy has the new title; no new authorship is assigned automatically. PDF 5 MiB/50 pages; editable fields up to 1,000 characters each.

Try it

View and edit PDF metadata

Technical reference

PDF.js: PDFPageProxy API