PDF Metadata Editor

Read and rewrite a PDF's document info — title, author, subject, keywords, creator and producer — then download the updated file.

Metadata is read and rewritten locally with pdf-lib. Your PDF never leaves your device.

Drop a PDF here or click to browse — fields fill in automatically

How It Works

Every PDF carries a small document-info dictionary alongside its pages. The open-source pdf-lib library reads those entries when your file is parsed, fills the form above, and writes your replacements into a freshly saved copy — the pages themselves are passed through byte-for-byte.

The Info dictionary
Standard keys like Title, Author, Subject, Keywords, Creator, Producer, CreationDate and ModDate live in a plain key-value dictionary that viewers display as "document properties". pdf-lib exposes a setter per key (setTitle, setAuthor, setProducer…) and clearing a field removes its entry entirely.
Info vs XMP
Newer PDFs often duplicate their metadata as an XML packet (XMP) embedded in the file, and the two can disagree. Some viewers prefer XMP when both exist. This editor rewrites the classic Info dictionary — for a guaranteed scrub, print the result to a brand-new PDF, which flattens both.
What the fields reveal
Creator and producer name the exact software that authored and converted the file — Word, LibreOffice, a scanner firmware, or this very library. Author and keywords carry people and internal vocabulary. PDFs rarely embed GPS the way photos do, but these human fingerprints are why a metadata pass before publishing is worth ten seconds.

Frequently Asked Questions

Does editing metadata change the visible document?

No. Pages, text and images are copied through untouched — only the small document-info dictionary changes. The fields show up where a viewer lists document properties (Ctrl+D in many readers), not on the printed page.

Does this really delete all hidden data?

It deletes exactly what you clear: the Info-dictionary fields title, author, subject, keywords, creator and producer. Some PDFs also carry a duplicate XMP metadata packet that pdf-lib does not rewrite here, and fonts or images keep their own names. If you need a guaranteed-clean file, print it to a new PDF afterwards — that flattens almost everything.

Why bother stripping metadata before sharing?

Because it leaks more than people expect. Creator and producer name the exact authoring and conversion software, author carries real names or initials, and subject or keywords sometimes hold internal project codes. PDFs rarely embed GPS coordinates the way photos do, but the human fingerprints in the info fields are plenty for a privacy pass before publishing.

Can I change the creation date too?

This tool leaves the creation date alone — it is usually evidence of when the document actually originated. What it does offer is an optional stamp: set the modification date to today so the file records when you edited it, which is the honest thing for anyone checking the file later.

Is anything uploaded to a server?

No. The PDF is parsed, its info fields rewritten and the result re-saved entirely with pdf-lib in your browser. There is no upload step, no account, and no network request containing your file.