Harding Test | PSE Harding Test & Video Correction
WebAIM: Contrast Checker Bookmarklet
Disability toolbar & screenreader simulator for Chrome - Silktide
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
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
a11y.css’ documentation | a11y.css
DigitalA11Y Tublets
Aditus Accessibility Tool
Do you know if your website is accessible? Get accessibility reports and learn how to fix your issues. Let's make the web more inclusive.
Spectrum
IBM Equal Access Accessibility Checker
Web Accessibility Checker for WCAG 2.0 ADA, AODA, EQA Compliance Monitoring
A11ygator