KWCAG A11y Inspector

Name: KWCAG A11y Inspector
Author: bearholmes

KWCAG 2.1.3 operable criteria measurement tool

As of June 2026, KWCAG A11y Inspector has 1,000 users in the Developer Tools category.

bearholmes Developer Tools

Chrome Web Store ↗.crx

Users0%

1.0K

1,000

Rating0%

—

— reviews

Reviews0%

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Version

1.0.0

Manifest V3

History

3 snapshots

Tracking since Apr 4, 2026.

View as table

Date	Users	Rating	Reviews	Version
Apr 4, 2026	1.0K	—	—	1.0.0
Apr 19, 2026	982	—	—	1.0.0
Apr 29, 2026	1.0K	—	—	1.0.0
Now	1.0K	—	—	1.0.0

Permissions & access

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

Screenshots

About

KWCAG A11y Inspector helps web developers and accessibility professionals verify KWCAG 2.1 and WCAG 2.2 compliance.

  ✨ Key Features

  • Real-time Element Inspection
    - Measure interactive elements in pixels and millimeters
    - Validate KWCAG 2.1.3 (minimum 6mm diagonal)
    - Validate WCAG 2.5.8 Level AA (24×24px minimum)
    - Validate WCAG 2.5.5 Level AAA (44×44px minimum)

  • Color Contrast Checker
    - Calculate luminance contrast ratios
    - WCAG 1.4.3 compliance (AA: 4.5:1, AAA: 7:1)
    - Real-time validation during inspection

  • Manual Calculator
    - Convert pixel dimensions to millimeters
    - Verify design mockups
    - Test static images and non-DOM elements

  🎯 How to Use

  1. Click the extension icon to activate inspector
  2. Hover over elements to see measurements
  3. Right-click → "Open Manual Calculator" for manual input
  4. Press ESC to pause/resume

  ⚙️ Customizable Settings

  - Monitor size and screen resolution
  - Border color, style, and thickness
  - Display toggles (contrast check, box model)

  🔒 Privacy First

  - No data collection
  - All calculations performed locally
  - Open source code available on GitHub

  Perfect for accessibility audits, WCAG compliance testing, and web development workflows.