PDF metadata
View and edit document Title, Author, and Subject properties in your PDF files. Keep document properties accurate and professional for publication or archiving.
Your files never leave your device. All processing happens locally in your browser with no file uploads or account required.
How to use pdf metadata
- 01
Select PDF document
Choose the PDF file whose document metadata you want to edit.
- 02
Edit document properties
Inspect current fields and enter updated Title, Author, and Subject details.
- 03
Download updated PDF
Save your PDF with refreshed metadata properties stored in the document dictionary.
Important details & limitations
Update the standard title, author and subject fields. This is not a complete metadata sanitizer; embedded XMP and other document properties can remain.
Frequently asked questions
What should I know before using pdf metadata?+
Update the standard title, author and subject fields. This is not a complete metadata sanitizer; embedded XMP and other document properties can remain.
Where are my files processed?+
All document contents remain on your device. Browser JavaScript and WebAssembly perform the work; no files are sent to a conversion service.
What files does pdf metadata support?+
Use unencrypted PDFs; Unlock PDF can first remove encryption using a known password. Up to 100 MB total. Malformed, unusually large, or complex PDFs may exceed browser limits. Editing a signed PDF changes the document and can invalidate its signature.