| Tool | Description |
|---|---|
| A11Y.css | This CSS file intends to warn developers about possible risks and mistakes that exist in HTML code |
| A11y Command-line Tools | Web accessibility audits powered by the Chrome Accessibility Developer Tools |
| a11y-checker | Warn about HTML Markup code accessibility issue |
| AcessibilityJS | Client side accessibility error scanner |
| AccessLint | A GitHub App that finds accessibility issues in your pull requests |
| Accessibility Developer Tools | This is a library of accessibility-related testing and utility code. |
| aslint.org | Accessibility testing tool |
| aXe Core | Chrome and Firefox extension to audit pages |
| Enabler | Node.js CLI tool that warns you about potential accessibility issues. Supports: Pure HTML, Angular, Vue |
| Headings Map | The extension generates a document-map or index of any web document structured with headings and/or with sections in HTML 5. It shows the headings structure, the errors in the structure (ie. incorrect levels), and it works as HTML5 Outliner too. |
| HTML5 Acessibility | Get the current accessibility support status of HTML5 features across major browsers |
| Web Accessibility Toolbar (WAT) | The Web Accessibility Toolbar (WAT) has been developed to aid manual examination of web pages for a variety of aspects of accessibility. |
| Tool | Description |
|---|---|
| Chromelens - Extension Google Chrome | |
| Colour Contrast Analyser | To test the contrast of your text against its background |
| Color Oracle | App (Mac/Win/Linux) for check colours |
| Contrast Ratio | Live demonstration of the readability of your background and text color combination |
| I want to see like the colour blind | Chrome Extension (Mac/Win) |
| Tanaguru Contrast Finder | Contrast finder that suggests a valid color range |
| Validator | Language |
|---|---|
| 508 Checker | Check a11y with 508 rules |
| Access Monitor | Validator |
| Check My Colours | Validator of Color Constrast |
| DaSilva | PT-BR |
| Sim Daltonism | A color blindness simulator for Mac and iOS |
| Tenon.io | EN |
| tota11y - Accessibility Visualization Toolkit | Simple validator using |
| WAVE | Validator online |
| Validator | Language |
|---|---|
| Ember A11y Testing | A suite of accessibility tests that can be run within the Ember testing framework |
| eslint-plugin-jsx-a11y | A static analysis linter of jsx and their accessibility with screen readers |
| React A11y | Identifies accessibility issues in your React.js elements |
| pa11y | |
| WP Accessibility | Helps with a variety of common accessibility problems in WP themes |