Publisher Tag Debugger by thyngster
Publisher Tag Debugger ExtensionA modern browser extension for debugging Google Ad Manager (GAM) publisher tags. Inspect ad slots, targeting parameters, and response information directly in your browser's side panel.
Extension Metadata
About this extension
Features
- Ad Slot Detection - Automatically scans pages for Google Ad Manager slots via the googletag API
- Slot Analysis - View ad unit paths, sizes, network codes, and MCM parent IDs
- Fill Status - Instantly see which slots are filled vs. empty with stats dashboard
- Targeting Inspector - Examine page-level and slot-level targeting key-value pairs
- Response Details - View advertiser, campaign, creative, and line item IDs for filled slots
- Visual Highlighting - Click to highlight any slot on the page with an animated overlay
- Dark Mode - Automatic system preference detection with manual toggle
- Cross-Browser - Works on Chrome (MV3) and Firefox (MV2)
- Ad Slot Detection - Automatically scans pages for Google Ad Manager slots via the googletag API
- Slot Analysis - View ad unit paths, sizes, network codes, and MCM parent IDs
- Fill Status - Instantly see which slots are filled vs. empty with stats dashboard
- Targeting Inspector - Examine page-level and slot-level targeting key-value pairs
- Response Details - View advertiser, campaign, creative, and line item IDs for filled slots
- Visual Highlighting - Click to highlight any slot on the page with an animated overlay
- Dark Mode - Automatic system preference detection with manual toggle
- Cross-Browser - Works on Chrome (MV3) and Firefox (MV2)
Rated 0 by 0 reviewers
Permissions and data
Required permissions:
- Access browser tabs
- Access your data for all websites
Data collection:
- The developer says this extension doesn't require data collection.
More information
- Add-on Links
- Version
- 0.0.1
- Size
- 74.07 KB
- Last updated
- 11 days ago (Dec 22, 2025)
- Related Categories
- License
- Apache License 2.0
- Version History
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