PDF Metadata & Document Title Editor
Inspect, modify, or strip document titles, author details, keywords, and hidden tags in real-time.
1. Target PDF Document
Select document to inspect and edit metadata
Drop your PDF file here, or click to browse
Supports documents up to 20 MB
No PDF Loaded
Upload a document above to inspect, modify, and strip internal metadata properties.
2. Metadata Editor & Attributes
Modify or wipe PDF attributes instantly
Technical Architecture of PDF Information Dictionary Modification
Portable Document Format files store metadata in structural dictionaries located inside the PDF root trailer object, known as the Document Information Dictionary (or Info Dictionary). Key key-value pairs include standard entries such as /Title, /Author, /Subject, and /Keywords.
When an enterprise document is saved or processed, modern PDF readers also embed Extensible Metadata Platform (XMP) XML streams alongside the classical Info Dictionary. Our engine uses client-side WebAssembly parsing via pdf-lib to locate, mutate, and re-serialize these binary dict keys directly within browser memory.
PDF Metadata Key Specifications Matrix
| Standard Key | Data Type | Search Engine / System Impact | Recommended Formatting |
|---|---|---|---|
| /Title | PDF Text String | Primary title in web browsers, Google Search SERP snippets, and reader title bars. | Clear, keyword-rich title (max 70 characters). |
| /Author | PDF Text String | Identifies document creator or organization in search indexes and desktop search engines. | Full personal name or legal enterprise organization name. |
| /Subject | PDF Text String | Populates abstract summaries in indexing servers and document management systems. | Brief 1-2 sentence executive overview. |
| /Keywords | PDF Text String | Enhances internal document cataloging, database taxonomy indexing, and desktop search tags. | Comma-separated terms relevant to document content. |
How to Edit or Strip PDF Metadata
Upload PDF File
Drop your PDF file into the upload dropzone or click browse. The browser parses the binary Info Dictionary instantly.
Inspect Metadata Fields
Review existing attributes including Document Title, Author, Subject, Keywords, Creator app, and PDF Producer.
Modify or Wipe Attributes
Update title text for SEO or click Clear All Metadata Fields to sanitize sensitive internal information.
Save & Export PDF
Click Save & Download to construct a clean, updated PDF binary file saved directly to your local system.
Enterprise Privacy & Sanitization Protection
100% On-Device Processing
Your PDF documents are modified directly inside browser WebAssembly memory and are never uploaded to remote servers.
Privacy Metadata Stripping
Easily wipe hidden creator paths, internal username trails, and editing software software names before sharing documents publicly.
Frequently Asked Questions
Why is setting the PDF Title metadata important for SEO?
When search engines index PDF files, they display the embedded /Title metadata property as the primary clickable headline in search results rather than the raw file name.
Does editing metadata alter the text or graphics inside my PDF pages?
No. Mutating document metadata only updates the structural Document Information Dictionary. Page layouts, vector artwork, and text content remain completely untouched.
Are my documents uploaded to external cloud servers for metadata modification?
No. All PDF inspection, dictionary updates, and re-saving operations execute completely client-side inside your local browser sandbox.
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