Attribute Scanner

by Henry Cuffy · Developer Tools

Manifest V3 Free

View in Chrome Web Store Data as of 16 Oct 2026

Scan and highlight elements by custom attributes (e.g., data-cy for Cypress testing)

Users

+2 in 30 days

Rating

5.0 / 5

unchanged in 30 days

Ratings

0 in 30 days

Store rank

#187K

#156K among extensions

Version

1.0.2

updated 10 Feb 2026

Users

monthly, 8 months

Latest, 16 Oct 2026: 11 usersMove the mouse over the chart for any month

Ratings count

monthly, 8 months

Latest, 16 Oct 2026: 1 ratingsMove the mouse over the chart for any month

The Chrome Web Store rounds user counts down to the leading digit, so the user line moves in steps. The ratings count is exact and is the better signal of real adoption.

About Attribute Scanner

Attribute Scanner helps QA engineers and developers quickly identify elements with or without test automation attributes on any webpage. Perfect for: • Cypress testing (data-cy) • Playwright/Testing Library (data-testid) • Custom QA frameworks (data-qa, data-test, etc.) Features: ✅ Find elements WITH an attribute - Highlights all elements that have your specified attribute with a green outline ❌ Find elements MISSING an attribute - Highlights interactive elements (buttons, links, inputs, etc.) that are missing test attributes with a red outline - perfect for finding gaps in test coverage 🎯 Customizable - Works with any attribute name: data-cy, data-testid, data-qa, or your own custom attributes 🧹 Clean up - Clear all highlights with one click How to use: 1. Click the extension icon 2. Enter the attribute name (default: data-cy) 3. Choose to scan for elements WITH or MISSING the attribute 4. Click "Scan Page" to highlight matching elements Privacy-focused: Minimal permissions required. Only accesses the current tab when you click scan. No data collection. Open source: https://github.com/hcuffy/attribute-browser-extension