AES Encryption Explained: How It Works and Why It Matters
Jun 23, 2026
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PDF metadata is the information stored inside a PDF file that describes the document — such as title, author, subject, and keywords. This metadata helps with document organization, search engine indexing, and accessibility. Some metadata fields like Producer and Creator are automatically set by the software used to create the PDF.
This tool runs entirely in your browser using the pdf-lib library. Your files never leave your device.
Yes. All processing happens in your browser using JavaScript. Your PDF file is never uploaded to any server, stored, or logged.
You can edit Title, Author, Subject, and Keywords. The Producer and Creator fields are read-only as they reflect the software used to create the PDF.
No. Only the document metadata is modified. The actual content, layout, images, and formatting of your PDF remain unchanged.
The tool attempts to load PDFs with ignoreEncryption enabled. Password-protected PDFs cannot be processed.
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