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Preview of Date detective

Date detective by Lazar Čovs

Detects publication dates using 8 methods with confidence scoring. Perfect for journalists, researchers, and fact-checkers.

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About this extension
Publishing Date Finder helps journalists, researchers, and anyone who needs to verify when web content was published.

✨ KEY FEATURES

• 8 Detection Methods: Open Graph metadata, JSON-LD, microdata, HTML time elements, URL patterns, text heuristics, and Wayback Machine integration
• Confidence Scoring: Color-coded indicators (high/medium/low) show reliability
• Smart Content Filtering: Automatically excludes dates from sidebars, related articles, and navigation
• Multi-Language Support: 10+ languages including English, Spanish, German, French, Portuguese, Russian, Arabic, Japanese, Hindi, and Mandarin
• International Date Formats: DD.MM.YYYY, MM/DD/YYYY, DD-MM-YYYY, ISO 8601, YYYYMMDD
• Wayback Machine Integration: Check archived versions for undated pages

🎯 PERFECT FOR

• Journalists verifying source material
• Researchers documenting content
• Fact-checkers validating information
• Anyone who needs to know when content was published

🔒 PRIVACY FOCUSED

No data collection. No tracking. No external servers (except optional Wayback Machine lookup). Your browsing stays completely private.

📖 HOW TO USE
  1. Navigate to any web page (news article, blog post, etc.)
  2. Click the Date Detective icon in your toolbar
  3. View detected dates with confidence indicators
  4. See the source/method used for each date
  5. Click "Check Archive" for Wayback Machine lookup

The extension prioritizes authoritative metadata sources over heuristic detection and intelligently filters out dates from page periphery content.

Open source project: https://github.com/Popravljam/publishing-date-finder
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Permissions and data

Required permissions:

  • Access your data for all websites

Data collection:

  • The developer says this extension doesn't require data collection.
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Version
1.2.5
Size
41.77 KB
Last updated
2 months ago (Dec 25, 2025)
Related Categories
  • Feeds, News & Blogging
License
MIT License
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