Alternatives to ARC Toolkit
Browser extension from TPGi that finds accessibility issues on individual web pages. The listings below can replace it for an important use case. Each note says what changes if you switch.
The original
ARC Toolkit
Browser extension from TPGi that finds accessibility issues on individual web pages.
Replacements
Listings that take over the same core job as ARC Toolkit.
axe DevTools
Accessibility testing tools and browser extension from Deque, built on the axe-core rules engine.
axe DevTools is a freemium browser extension built on Deque's axe-core engine, adding IDE and CI toolkits with advanced features sold to enterprises.
WAVE
A suite of web accessibility evaluation tools, available online and as browser extensions.
WAVE extensions for Chrome, Firefox and Edge show issues in place on the page, and a paid API or engine handles bulk testing.
AccessibilityChecker.org
Web accessibility scanner that audits a site against WCAG and ADA and explains how to fix issues.
AccessibilityChecker.org adds a web scan with fix instructions alongside its extension, while ongoing monitoring and remediation are paid.
EXPERTE Accessibility Checker
An online checker that crawls a website and tests each page for accessibility problems.
EXPERTE Accessibility Checker is a free web tool that crawls a whole public site, rather than checking one page inside the browser.
AChecker
Online accessibility checker that tests a URL, uploaded file or pasted HTML against WCAG and Section 508.
AChecker is a free web checker taking a URL, upload or pasted HTML, but its guidelines stop at WCAG 2.0.
AccessMonitor
A Portuguese government web service that checks web pages against WCAG 2.1 accessibility practices.
AccessMonitor is a free government web service checking pages against WCAG 2.1 with a single score, with an interface mainly in Portuguese.
Accessibility Insights
Microsoft's open-source tools for finding and fixing accessibility problems in web pages and Windows apps.
Accessibility Insights is free and open source from Microsoft, adding a guided WCAG 2.1 AA assessment and Windows app testing, but its extension targets only 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 free and open source, using the same rule engine in the browser and in builds with Cypress, Karma and Vitest integrations.
Also worth comparing
These listings name ARC Toolkit as their own alternative, so the relationship runs both ways.
ANDI
Free bookmarklet from the US Social Security Administration for testing web pages for accessibility.
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.
AudioEye Website Accessibility Checker
A free online scanner that checks a website for ADA and WCAG accessibility issues.
ARC Toolkit is a free TPGi browser extension that checks the current page, one page at a time.
Stark
A suite of accessibility tools for checking and fixing issues across design and development.
ARC Toolkit is a free TPGi browser extension that checks one page at a time, without design tools, team reporting or an account.
Tanaguru Engine
An automated accessibility testing engine that checks websites and web applications against RGAA and WCAG.
ARC Toolkit is a free TPGi browser extension using the ARC rules engine on the current page, checking one page at a time rather than whole sites.
Similar software
Related functionality, not a direct replacement.
WebAIM Contrast Checker
An online checker that tests foreground and background color contrast against WCAG AA and AAA levels.
SortSite
Website quality scanner testing accessibility, broken links, browser compatibility and SEO against over 1200 checkpoints.
Rocket Validator
A hosted crawler that runs HTML, CSS and accessibility checks across thousands of site pages.
WhoCanUse
A web tool showing how a text and background color pair looks to people with various vision conditions.
Colour Contrast Analyser
A free desktop app for checking foreground and background color contrast against WCAG, with eyedropper pickers.