Accessibility
Tools to audit and improve web accessibility (WCAG, ARIA, semantic HTML).
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Heading Outline Checker
Paste HTML, see the H1-H6 outline as a tree, and get WCAG accessibility warnings for skipped levels, missing H1, and empty headings.
Accessibility
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Alt Text Auditor
Paste HTML to audit <img>, <svg>, <input type=image> and role=img elements against WCAG 2.1 alt-text rules.
Accessibility
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ARIA Landmark Visualizer
Paste HTML to see the page's landmark tree (banner/main/nav/aside/footer + ARIA roles) and structural a11y issues.
Accessibility
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Form Label Checker
Paste an HTML form to verify every <input>, <select>, <textarea>, and <button> has an accessible name per WCAG 3.3.2.
Accessibility