WCAG Highlighter icon

WCAG Highlighter

by ui-kolo · Developer Tools
Manifest V3 Free
View in Chrome Web Store Data as of 16 Oct 2026

Detect basic WCAG issues on any webpage: click the extension, press Check, and review highlighted results in the side panel.

Users
27
+4 in 30 days
Rating
0.0 / 5
unchanged in 30 days
Ratings
0
0 in 30 days
Store rank
#136K
#113K among extensions
Version
1.0.1
updated 19 Feb 2026

Users

monthly, 8 months
01427Feb 2026Jul 2026Oct 2026
Latest, 16 Oct 2026: 27 usersMove the mouse over the chart for any month

Ratings count

monthly, 8 months
001Feb 2026Jul 2026Oct 2026
Latest, 16 Oct 2026: 0 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 WCAG Highlighter

WCAG Highlighter is a browser extension that helps developers quickly detect and understand basic accessibility (WCAG) issues directly on any webpage. The tool scans the current page, highlights problematic elements, and displays clear explanations in a side panel. It helps developers, QA engineers, and designers identify accessibility problems early in the development process. Why install WCAG Highlighter? - Quickly detect common WCAG violations. - Visually highlight problematic elements on the page. - See clear explanations of each issue. Who is it for? - Frontend developers - QA testers - UX/UI designers - Teams building accessible and compliant web applications Quick start: 1. Open any webpage you want to test. 2. Click the WCAG Highlighter extension icon. 3. Click `Check` to run a scan. 4. Review highlighted elements and issue details in the side panel. 5. (Optional) Open DevTools and click an `Element` selector in the panel to inspect the exact DOM node. Privacy: WCAG Highlighter performs all analysis locally in the browser and does not collect, store, or transmit user data. Install it to make accessibility testing faster, easier, and more transparent.

Growth

WindowUsersChangeRatingsRating
7 days−2−6.9%00.00
30 days+4+17.4%00.00
6 months+23+575.0%00.00

Version history

2 versions recorded
1.0.119 Feb 2026
1.0.015 Feb 2026

Details

Category
Developer Tools
First seen
15 Feb 2026
Size
41 KB
Languages
en
Pricing
Free
Extension ID
hoeldeemnbcjbmmmlghlbklgcnnajdld

Permissions and risk

Low riskimpact 1, likelihood 2
Permissions
activeTabstoragescripting

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