Edit PDF Metadata
View and update title, author, subject, and keywords of your PDF.
How it works
Upload
Select your PDF file to view existing metadata.
Edit
Update title, author, subject, and keywords.
Download
Get your PDF with updated metadata instantly.
About This Tool
PDF metadata is the set of document properties — title, author, subject, and keywords — stored inside the file's information dictionary. Operating systems, search engines, document management systems, and screen readers all use these fields. An incorrectly named title (often left as the filename or a Word document heading) or a missing author field looks unprofessional and can cause problems with document indexing and discoverability.
JustConvert lets you view the existing metadata in any PDF and update all four standard fields in one step. The corrected PDF is returned immediately. This is particularly useful when preparing PDFs for uploading to corporate intranets, academic repositories, or government portals that index document properties for search.
- Edit title, author, subject, and keywords
- View existing metadata before making changes
- Improves discoverability in document management systems
- Useful for SEO when PDFs are indexed by search engines
- Professional presentation of shared documents
- Files deleted automatically after download
What metadata a PDF carries
Every PDF stores a set of document properties alongside its pages. The standard fields are Title, Author, Subject, and Keywords, plus Creator and Producer, which record the application that wrote the document and the library that generated the PDF, and creation and modification timestamps.
These are not cosmetic. The Title field, not the file name, is what most PDF viewers show in the window or tab, so a document titled "Microsoft Word - final draft v3" announces itself that way to every reader regardless of how carefully the file was named. Search engines read the Title of an indexed PDF the way they read an HTML title tag. And document management systems, e-readers, and reference managers all sort and search on these fields, so a document with empty metadata is one that will not be found later.
The privacy angle
Metadata is written automatically and it frequently reveals more than the author intends. The Author field is usually populated from the operating system account name, which is often a full name or an employee identifier. The Creator and Producer fields disclose the exact software and version used. Timestamps show when a document was really written, which can contradict what it says. None of this is visible when reading the document, and all of it travels with the file.
Before sending a PDF outside your organisation — a tender, a legal filing, a job application, anything published — open the properties and look. Clearing or correcting the Author field takes seconds and removes the most commonly leaked item. This is a routine step in professional document handling and is skipped almost universally.
Setting metadata usefully
Fill it in as you would for something to be found later. Title should be the document's real title as a reader would say it, not a file name and not a version string. Author should be the organisation or the named individual you intend to appear, decided deliberately. Subject is a one-line description of what the document covers. Keywords is a short comma-separated list of the terms someone would search for.
Sequencing matters if the document is going through other operations. Metadata is document-level, so merging PDFs produces one document with a single set of properties, usually inherited from the first file. Set metadata after merging, not before, or it will be silently replaced. For the same reason, set it before signing: any change after a signature is applied invalidates the signature.
The fields and what they are for
| Field | Shown to readers | Set it to |
|---|---|---|
| Title | Yes, in the viewer's title bar | The document's real title |
| Author | In document properties | The name you intend to publish |
| Subject | In document properties | A one-line description |
| Keywords | No, but indexed | Terms someone would search for |
| Creator / Producer | In document properties | Auto-filled; check before sending |
Frequently Asked Questions
What fields can I edit in the PDF metadata?
You can edit the four standard Dublin Core-aligned fields stored in a PDF information dictionary: Title, Author, Subject, and Keywords. These are the fields most commonly read by document management systems, search engines, and screen readers.
Why does my PDF show the wrong title in my browser tab or Windows Explorer?
The title shown in browser tabs and Windows Explorer's Details pane comes from the PDF's Title metadata field, not the filename. If this was left blank or set to a temporary name during creation, updating the metadata fixes it immediately.
Does editing metadata change the visible content of the PDF?
No. Metadata is stored in an internal properties structure separate from the visible page content. Updating it does not change, move, or alter any text, images, or formatting on the pages.
Can incorrect PDF metadata affect search engine indexing?
Yes. When Google and other search engines index a PDF, they use the Title and Keywords fields to understand and rank the document in addition to the body text. Setting accurate, keyword-rich metadata can improve the document's visibility in search results.
Is the original file changed when I edit metadata?
No. JustConvert generates a new PDF with the updated metadata and gives you that new file to download. Your original file on your device is completely unchanged.