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accessibility-testing-tools

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A collection of useful tools for accessibility testing and debugging in the browser, online and desktop

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# Accessibility Testing Tools

This is a collection of useful tools for accessibility testing and debugging. The earlier in the process you start using these, the better.

See also the accessibility section of my [frontend-dev-bookmarks](https://github.com/akikoo/frontend-dev-bookmarks) which contains many more resources.

## Mac

* Accessibility Inspector for Mac: https://developer.apple.com/library/mac/documentation/Accessibility/Conceptual/AccessibilityMacOSX/OSXAXTestingApps.html
* VoiceOver for Mac: http://www.apple.com/accessibility/osx/voiceover/

## Windows

* The Accessibility Viewer (aViewer) for Windows: http://www.paciellogroup.com/resources/aviewer/
* NVDA for Windows: http://www.nvaccess.org/download/
* JAWS for Windows: http://www.freedomscientific.com/Downloads/JAWS
* Up and Running with JAWS: https://joe-watkins.io/accessibility/up-and-running-with-jaws-on-a-mac/

## CSS Diagnostics

* Diagnostic.css: http://www.karlgroves.com/2013/09/07/diagnostic-css-super-quick-web-accessibility-testing/
* debugCSS: http://yahoo.github.io/debugCSS/
* AcceCSS Sass mixin: http://lukyvj.github.io/accecss/

## Browser extensions (Chrome)

* The Accessibility DevTools extension for Chrome: https://chrome.google.com/webstore/detail/accessibility-developer-t/fpkknkljclfencbdbgkenhalefipecmb
* WAVE Evaluation Tool for Chrome: https://chrome.google.com/webstore/detail/wave-evaluation-tool/jbbplnpkjmmeebjpijfedlgcdilocofh
* ChromeVox for Chrome: https://chrome.google.com/webstore/detail/chromevox/kgejglhpjiefppelpmljglcjbhoiplfn
* aXe for Chrome: https://chrome.google.com/webstore/detail/axe/lhdoppojpmngadmnindnejefpokejbdd
* Color Contrast Analyzer for Chrome: https://chrome.google.com/webstore/detail/color-contrast-analyzer/dagdlcijhfbmgkjokkjicnnfimlebcll/related
* Siteimprove Accessibility Checker for Chrome: https://chrome.google.com/webstore/detail/siteimprove-accessibility/efcfolpjihicnikpmhnmphjhhpiclljc/
* TRAY Readability tool: https://chrome.google.com/webstore/detail/tray-readability-tool/eccbjfaplogblgjpopbihpgfgmlgjamf
* Funkify - disability simulator: http://www.funkify.org/

## Browser extensions (Firefox)

* Accessibility Evaluation Toolbar for Firefox: https://addons.mozilla.org/en-US/firefox/addon/accessibility-evaluation-toolb/
* DOM Inspector for Firefox: https://addons.mozilla.org/en-US/firefox/addon/dom-inspector-6622/
* Juicy Studio Accessibility Toolbar for Firefox: https://addons.mozilla.org/en-US/firefox/addon/juicy-studio-accessibility-too/
* WAVE Accessibility Extension for Firefox: https://addons.mozilla.org/en-US/firefox/addon/wave-accessibility-tool/

### See the full accessibility tree in Chrome

You can view a dump of the accessibility tree in Chrome by typing `chrome://accessibility/` in the address bar.

## Online tools

* Tenon: https://tenon.io/
* HTML_CodeSniffer: http://www.squizlabs.com/general/html-codesniffer
* AccessLint: http://www.accesslint.com/

## Color Contrast Checkers

* Contrast Ratio: http://leaverou.github.io/contrast-ratio/
* Color Contrast Checker: http://webaim.org/resources/contrastchecker/
* Color Safe: http://colorsafe.co/

## Automated Accessibility Testing

* aXe, accessibility engine for automated Web UI testing: https://github.com/dequelabs/axe-core
* tota11y, an accessibility visualization toolkit: http://khan.github.io/tota11y/
* Pa11y: http://pa11y.org/
* accessibilityjs - accessibility error scanner: https://github.com/github/accessibilityjs

## Bookmarklets

* The Visual ARIA Bookmarklet: http://whatsock.com/training/matrices/visual-aria.htm 
* Revenge.css: http://heydonworks.com/revenge_css_bookmarklet/
* Bookmarklets for Accessibility Testing: http://pauljadam.com/bookmarklets/
* a11y.css: http://ffoodd.github.io/a11y.css/

## Miscellaneous links

* Accessibility Testing Tools: http://www.paciellogroup.com/blog/2014/10/accessibility-testing-tools-updated/
* Screen Reader User Survey 6 Results: http://webaim.org/projects/screenreadersurvey6/
* Web Accessibility Evaluation Tools List (by W3C): https://www.w3.org/WAI/ER/tools/
* Easy Checks - A First Review of Web Accessibility: https://www.w3.org/WAI/eval/preliminary

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