These tools run without an account and store nothing you type. Each one does a single job and says plainly what it cannot decide for you.
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Contrast checker
Free color contrast checker: test text (1.4.3), icons and controls (1.4.11) and links against WCAG 2.2 – and get the nearest colour that passes.
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Free website accessibility checker for WCAG 2.2
Check any page against WCAG 2.2 AA in about 30 seconds – free, no sign-up. See every finding, plus an honest list of what no tool can decide.
A tool is listed here once it is published. The two that state the law — the statement generator and the EAA applicability check — go live after a lawyer has reviewed them.