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API & MCP

Tag Assistant

The Tag Assistant extension works with Tag Assistant to help troubleshoot installation of gtag.js and Google Tag Manager.

As of June 2026, Tag Assistant has 3,000,000 users and a 3.91/5 rating from 1,302 reviews in the Developer Tools category.

GoogleDeveloper Tools
Chrome Web Store ↗.crx
Usersno change0%
3.0M
3,000,000
Ratingup 0.3 percent+0.3%
3.91
1.3K reviews
Reviewsup 0.1 percent+0.1%
1.3K
Version
26.146.2.45
Manifest V3
90-day change · In the last 90 days this extension 4 version updates.

History

13 snapshots

Tracking since Apr 1, 2026.

3.0M3.0M3.0MApr 1, 2026Jun 22, 2026
View as table
DateUsersRatingReviewsVersion
Apr 1, 20263.0M3.901.3K26.76.2.44
Apr 10, 20263.0M3.911.3K26.76.2.44
Apr 16, 20263.0M3.911.3K26.97.2.45
Apr 23, 20263.0M3.911.3K26.97.2.45
May 8, 20263.0M3.911.3K26.111.2.45
May 13, 20263.0M3.911.3K26.125.13.59
May 23, 20263.0M3.901.3K26.125.13.59
May 25, 20263.0M3.901.3K26.125.13.59
May 28, 20263.0M3.901.3K26.125.13.59
Jun 3, 20263.0M3.901.3K26.146.2.45
Jun 8, 20263.0M3.901.3K26.146.2.45
Jun 11, 20263.0M3.901.3K26.146.2.45
Jun 22, 20263.0M3.901.3K26.146.2.45
Now3.0M3.911.3K26.146.2.45

Permissions & access

Permissions
scriptingsidePanelstoragetabswebNavigation
Host access
<all_urls>

Screenshots

Tag Assistant screenshot 1Tag Assistant screenshot 2Tag Assistant screenshot 3Tag Assistant screenshot 4

About

We’re grateful for your feedback—we've listened and will be updating and bringing back the on-page debugging experience. More exciting features are on the way. 

Tag Assistant helps you install and troubleshoot your Google tags, including Google Analytics, Google Ads, Tag Manager and more. When clicked, the extension displays the Google tags found on the page in a side-panel. Just navigate to any page, and Tag Assistant will tell you which tags are present. We will be adding additional diagnostics in the near future.

The “Troubleshoot” button activates our debug mode using tagassistant.google.com. This advanced tool allows you to debug your website, including iframes, within a single session, providing detailed diagnostics to help you validate, diagnose, and resolve your implementation. Session data is available for review on tagassistant.google.com. 

COMING SOON: Step-by-step guidance to install tags on popular website builders.

By installing this extension, you agree to the Google Terms of Service and Privacy Policy at https://www.google.com/intl/en/policies/.

Technical

Version
26.146.2.45
Manifest
V3
Size
227KiB
Min Chrome
88
Languages
39
Featured
No

Metadata

ID
kejbdjndbnbjgmefkgdddjlbokphdefk
Developer ID
u68a0659b40cb94b7410a815f03f5871a
Developer Email
[email protected]
Created
Oct 1, 2012
Last Updated (Store)
May 26, 2026
Last Scraped
Jun 22, 2026
Website
—
Support URL
—

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Data sourced from the Chrome Web Store · last verified Jun 22, 2026.