PDF Metadata Viewer & Editor
Every PDF carries metadata: a title, an author, a subject, keywords, the application it was written in, the library that produced it, and the dates it was created and last changed. Much of it is filled in automatically, which is how a document sent to a client ends up naming an employee and an internal system. This tool shows all of it, lets you edit any field, and can clear the lot in one click before you send a file out. The page sizes and rotations are listed too, which is the quickest way to spot a document that mixes A4 and Letter and will print wrong. Only the metadata is rewritten — the pages themselves are untouched.
How it works
See what a PDF says about itself — title, author, the software that made it, and the dates — then change any of it or clear the lot. That matters before sending a document out: the author field routinely carries a real name and the producer field names the internal system that generated it.
Only the metadata is rewritten; the pages themselves are untouched. The file is read and written entirely in your browser.
Frequently asked questions
What metadata does a PDF store?
A title, author, subject, keywords, the creating application, the producing library, and creation and modification dates. Most of it is written automatically without anyone choosing it.
Why would I remove PDF metadata?
Because the author field routinely carries a real name and the producer field names an internal system. Both travel with the file to whoever you send it to.
Does editing metadata change the pages?
No. Only the document information is rewritten; page content, text and images are untouched.
What are the page sizes shown for?
A document that mixes A4 and Letter, or has one page rotated, prints wrong and nothing else tells you. The list makes it obvious in a glance.
Does this remove hidden data too?
It clears the standard document information fields. Content embedded in the pages themselves — tracked changes flattened into text, for instance — is part of the page and is not affected.
Is the file uploaded?
No. It is read and rewritten entirely in your browser.
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