koa11y ☆
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Description:
Easily check for website accessibility issues
Type: Cask  |  Latest Version: 3.0.0@0  |  Tracked Since: Dec 28, 2025
Links: Homepage  |  formulae.brew.sh
Category: Developer tools
Tags: accessibility a11y wcag testing webdev
Install: brew install --cask koa11y
About:
Koa11y is an open-source accessibility testing tool designed to help developers identify WCAG 2.1 compliance issues in websites. It generates detailed reports on contrast errors, missing alt text, and structural problems. The tool streamlines the auditing process, making it easier to create more inclusive web experiences.
Key Features:
  • Automated WCAG 2.1 scanning
  • Detailed HTML error reporting
  • Contrast ratio checking
  • Cross-platform desktop application
Use Cases:
  • Auditing websites for accessibility compliance before launch
  • Identifying and fixing color contrast issues in web design
  • Checking for missing alt text on images
Alternatives:
  • axe DevTools – More comprehensive enterprise suite, but Koa11y is a free, lightweight desktop alternative.
  • WAVE – Web-based tool by WebAIM, whereas Koa11y offers a standalone desktop experience.
Version History
Detected Version Rev Change Commit
Aug 5, 2025 2:20pm 3.0.0 0 VERSION_BUMP 313c21b5
Jul 21, 2024 10:05pm 3.0.0 0 VERSION_BUMP db533d85
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