dataslayer

Name: dataslayer
Rating: 4.55 (84 reviews)
Author: Sean Adams

Debug and test tag management (Google Tag Manager, DTM, Tealium) and analytics implementations.

As of June 2026, dataslayer has 70,000 users and a 4.55/5 rating from 84 reviews in the Developer Tools category.

Sean Adams Developer Tools★ Featured

Chrome Web Store ↗.crx

Users0%

70.0K

70,000

Rating0%

4.55

84 reviews

Reviews0%

Version

2.0.0

Manifest V3

History

1 snapshots

Tracking since Apr 21, 2026.

View as table

Date	Users	Rating	Reviews	Version
Apr 21, 2026	70.0K	4.55	84	2.0.0
Now	70.0K	4.55	84	2.0.0

Permissions & access

Permissions: storagenotificationswebNavigationscripting
Host access: http://*/*, https://*/*

Screenshots

About

dataslayer adds a panel to Chrome Developer Tools that monitors tag management data layers and displays changes in an easy-to-read, user-friendly format.

Supported TMS/variables include:
- Google Tag Manager dataLayer variable
- Adobe Launch rules and data elements
- Adobe DTM page load rules and detection
- Tealium data layer
- TagCommander data layer
- custom data layers (any variable represented as a JavaScript object)

dataslayer supports multiple data layers / GTM containers on a single page, including those in embedded iframes.

dataslayer also decodes and displays tags (including pageviews, variables, and click events) from:
- Google Analytics (including App + Web, Universal Analytics / analytics.js, dc.js, and ga.js)
- Adobe Analytics / Omniture SiteCatalyst
- Floodlight

For feature requests and bug reports, please either use the 'Send Feedback' option in the Chrome Web Store or reach out directly to [email protected]

Source lives at https://github.com/sean-adams/dataslayer if you'd like to contribute!