PDF Metadata

PDFTools lets you edit the five fields that describe the document itself: Title, Author, Subject, Keywords and Creator. Title should be the human-readable name of the document, Author is the person or organisation responsible, Subject is a one-line summary, and Keywords is a comma-separated list of terms that help search tools understand the content — for example, 'invoice, 2026, client-name'. Creator is usually the application that made the file, and you can update it to reflect the tool or workflow you used.

Producer and the creation and modification dates are shown as read-only. Producer identifies the library that built the final PDF, and the dates record when the file was originally created and last changed. PDFTools preserves these values so the document keeps an honest audit trail while still letting you update the descriptive fields.

Good metadata turns a file called scan.pdf into a searchable, identifiable document. A clearly written title appears in browser tabs and PDF reader title bars instead of a generic filename. Keywords help desktop search and document management systems surface the file months later. Removing or correcting the original creator can prevent a shared document from advertising the scanner, phone app or old email address that produced it.

It is also useful for consistency across a set of files. If you are publishing a handbook, a report pack or a batch of invoices, setting the same author and consistent keywords makes the collection behave like a real document library rather than a folder of random uploads.

Metadata editing in PDFTools happens entirely in your browser. The file is opened locally, the fields are updated, and a new PDF is generated for download. Nothing is uploaded, nothing is stored on a server, and no account is required. That matters because metadata can contain sensitive clues about a document's history, and keeping the whole operation on your device is the simplest way to keep that history private.