Trustee Checker - PDF Timestamp Verification od WingArc1st Trustee

Trustee Checker is a Firefox Add-on that automatically verifies RFC 3161 timestamps embedded in PDF files opened in your browser.

■ Key Features
* Automatically verifies embedded timestamp signatures simply by opening a PDF
* Displays verification results clearly in a status bar at the top of the page
* Also supports manual verification by selecting a local PDF file via the toolbar icon

■ Supported Signature Formats
* RFC 3161 timestamp tokens
* CAdES signatures (embedded in PDF)

■ Privacy
* All verification is performed entirely within the browser — no data is ever sent to external servers
* No browsing history or user data is collected

Provider: WingArc1st Inc.