Spectrum
Disability toolbar & screenreader simulator for Chrome - Silktide
Visual ARIA – Get this Extension for 🦊 Firefox (en-US)
tidyDOM - Automated Accessibility Testing Made Easy
Web Accessibility tools to help you achieve accessibility compliance
Site Scanner - Evinced, Inc.
Pope Tech | Web Accessibility Testing
axe Monitor | Digital Accessibility Monitoring and Reporting
Website Accessibility Checker & Scanner for ADA Compliance
Web Accessibility Testing Platform - Accessibility Cloud
Accessibility Checker
Favelets for Checking Accessibility
WAI-ARIA Usage
What has focus?
WCAG 2.1 parsing error bookmarklet - updated 25th February 2019 - TPGi
Touch devtool
Total Immersion Keyboard Testing – joe.chidzik.me
Safari VoiceOver Helper Bookmarklet
JavaScript Bookmarklets for Accessibility Testing
h123 - An bookmarklet that shows headings like a screenreader (Accessbility)
Find aria-hidden with this bookmarklet – .Ted.Drake:last-child {woo:hoo}
Favelets For The W3C Markup Validation Service
Diagnostic.css – Super quick web accessibility testing - Karl Groves
HTML Validator
CSS Bookmarklets for Testing and Fixing
Understand Website Accessibility with the Firefox Accessibility Inspector - YouTube
a11y.css’ documentation | a11y.css
DigitalA11Y Tublets
WCAG Color contrast checker
HeadingsMap – Get this Extension for 🦊 Firefox (en-US)