HOW TO USE
Step-by-step guide
- Step 1: Select your PDF document.
- Step 2: Enter the updated Title, Author, Subject, and Keywords in the respective fields.
- Step 3: Click "Save Metadata" to download the updated PDF file.
METADATA TOOL
Edit PDF Metadata
Update the internal document properties of your PDF. Set or correct document title, author name, subject summary, and comma-separated search keywords without modifying page contents.
FAQ
Frequently asked questions
Do search engines read PDF metadata?
Yes. Search engines like Google index the PDF Title and Author properties and often display them in search result snippets.
Do I have to fill in all fields?
No. You can fill in only the fields you wish to set or update, leaving others empty.
How can I verify the metadata was saved?
You can inspect the saved file in any PDF viewer's Document Properties dialog or run it through our "Analyze PDF" tool.
PRIVACY & SECURITY
Client-side in-memory processing
PDF Toolbox is engineered with a strict browser-first architecture. All file operations execute entirely in your local browser sandbox via modern WebAssembly and JavaScript engines. No file bytes or sensitive document data are ever uploaded, buffered, or stored on external servers or cloud infrastructure. Memory buffers are cleared immediately when you finish or close your tab.
🔒 Zero server uploads: Processing stays on your device
⚡ Instant execution: No network upload/download queues
🛡️ Private & Confidential: Safe for legal, medical & financial files
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