Alternatives to ANDI
Free bookmarklet from the US Social Security Administration for testing web pages for accessibility. The listings below can replace it for an important use case. Each note says what changes if you switch.
The original
ANDI
Free bookmarklet from the US Social Security Administration for testing web pages for accessibility.
Replacements
Listings that take over the same core job as ANDI.
axe DevTools
Accessibility testing tools and browser extension from Deque, built on the axe-core rules engine.
axe DevTools runs as a browser extension built on the axe-core engine, with IDE and CI toolkits, though advanced features are enterprise products sold through sales.
WAVE
A suite of web accessibility evaluation tools, available online and as browser extensions.
WAVE shows issues in place on the page through Chrome, Firefox and Edge extensions, and can check private and local pages, with bulk testing behind a paid API.
Accessibility Insights
Microsoft's open-source tools for finding and fixing accessibility problems in web pages and Windows apps.
Accessibility Insights is open source from Microsoft and adds a guided WCAG 2.1 AA assessment, but its web extension only targets Chrome and Edge.
IBM Equal Access Accessibility Checker
IBM's open-source browser extension and toolkit for automated accessibility checks of web pages.
IBM Equal Access Accessibility Checker is an open-source browser extension that shares its rule engine with CI integrations for Cypress, Karma, Vitest and Java.
ARC Toolkit
Browser extension from TPGi that finds accessibility issues on individual web pages.
ARC Toolkit is a free TPGi browser extension using the ARC rules engine, installed as an extension rather than a bookmarklet, and checks one page at a time.
Sa11y
Accessibility checker that highlights content issues directly on a web page with tips for fixing them.
Sa11y is open source and highlights content issues in place with fix tips, but a developer must add it to a site or CMS first.
Similar software
Related functionality, not a direct replacement.
Pa11y
Open-source command-line and dashboard tools that test web pages for accessibility issues automatically.
Colour Contrast Analyser
A free desktop app for checking foreground and background color contrast against WCAG, with eyedropper pickers.
WebAIM Contrast Checker
An online checker that tests foreground and background color contrast against WCAG AA and AAA levels.
AChecker
Online accessibility checker that tests a URL, uploaded file or pasted HTML against WCAG and Section 508.
EXPERTE Accessibility Checker
An online checker that crawls a website and tests each page for accessibility problems.
Toptal Colorblind Web Page Filter
A web tool that renders a web page through color blindness filters to test its design.