Does editing PDF metadata change the visible content?

No. PDF metadata fields are separate from page content — editing or clearing the Author, Title, or Keywords fields has no effect on what appears on the document's pages. The only visible change would be in the document properties panel of PDF viewers that display metadata, and in how the file appears in file explorers (where the Title metadata may be used as the display name in some OS configurations).

Why do some PDFs have conflicting metadata between Document Info and XMP?

Conflicts arise when different tools process the PDF at different points — for example, if a document was created in Word (which writes XMP) and then processed by a PDF optimizer that only updates Document Info. Our tool displays both systems so you can identify conflicts, and the save operation writes consistent values to both systems simultaneously.

OmniToolsKit

PDF Metadata

Name: PDF Metadata Editor
Rating: 5 (2 reviews)
Author: OmniToolsKit

View and edit metadata of your PDF documents - 100% client-side

View & Edit MetadataAuthor/Title/DateBrowser-basedPrivacy Check

Edit Metadata

Modify document properties and metadata

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Maximum file size: 50MB • Files: 0 / 1

Accepted file types: .pdf

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Download your update metadata document

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About this tool

View and edit PDF document metadata including title, author, subject, keywords, and XMP properties. Metadata editing runs locally in your browser with full privacy.

About

PDF Metadata: Document Info Dictionary and XMP Streams

PDF documents carry two parallel metadata systems: the Document Information Dictionary (a simple key-value structure in the PDF trailer) and XMP (Extensible Metadata Platform) metadata embedded as an XML stream. Standard Document Info fields include Title, Author, Subject, Keywords, Creator (the authoring application), Producer (the PDF creation software), and creation/modification timestamps.

XMP metadata is a richer, extensible XML format that can carry all Document Info fields plus additional properties from registered namespaces: Dublin Core (dc:), PDF (pdf:), XMP basic (xmp:), rights management (xmpRights:), and media management (xmpMM:). Adobe Acrobat and most professional PDF tools write metadata to both systems and keep them synchronized; some tools only write one or neither.

Metadata has real practical implications. Document title and keywords influence how PDFs are indexed by search engines and document management systems. Author and creation date are recorded in version control systems and audit trails. Metadata like 'Creator: Microsoft Word 16.0' reveals what software created the document — sometimes an undesired disclosure in sensitive submissions. Our tool lets you inspect all existing metadata and update or clear any field.

What makes it unique

Privacy Implications of PDF Metadata in Sensitive Documents

PDF metadata often contains information that document authors don't intend to disclose. The Creator field records the original authoring application and sometimes the username. Revision history metadata can reveal how many times a document was edited. XMP rights management fields may contain internal asset IDs or licensing terms. In legal discovery, journalistic source protection, and procurement processes, metadata disclosure has caused real-world problems. Our PDF Metadata tool lets you inspect all embedded metadata properties and selectively clear or replace values before sharing sensitive documents externally.

Common Use Cases

Add title and keywords for search indexing

Set accurate PDF metadata so document management systems and search engines index and surface the file correctly.

Remove authoring software metadata before submission

Clear Creator and Producer fields that reveal internal tools before submitting documents to external parties.

Update author on inherited documents

Correct or update author metadata on documents that have changed ownership or custodian since creation.

Audit document metadata for compliance

Inspect metadata fields to verify compliance with document management policies before archiving.

How to Use

1
Upload the PDF to inspect
Select your PDF and the tool will immediately parse and display all Document Info Dictionary and XMP metadata fields found in the file.
2
Review existing metadata
Examine all current metadata values — title, author, keywords, dates, creator application, and any extended XMP properties present in the file.
3
Edit or clear fields
Modify any metadata field by typing new values, or clear fields you want to remove by leaving them blank. Changes are staged before being written.
4
Save and download
Click Save Metadata to write all changes to both the Document Info Dictionary and XMP stream, then download the updated PDF.

Features

Full Document Info field editing
Read and write all standard fields: Title, Author, Subject, Keywords, Creator, Producer, and creation/modification dates.
XMP stream parsing and editing
Parses XMP XML metadata streams in addition to the Document Info Dictionary so you see the complete metadata picture.
Synchronized output
Saves changes to both metadata systems simultaneously, keeping Document Info and XMP in sync as required by PDF specification.
Privacy-safe local processing
All metadata is read and written in your browser. Sensitive metadata contents are never transmitted to external servers.

Frequently Asked Questions

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