Accessibility tools
27 focused tools, ready to use in your browser.
Heading Outline Auditor
List h1–h6 headings and flag empty text or skipped levels in supplied HTML.
AccessibilityImage Alternative Text Auditor
Distinguish missing, empty and non-empty alt attributes in pasted image markup.
AccessibilityForm Label Auditor
Inspect explicit and wrapping labels, duplicate IDs, and declared ARIA label references in static forms.
AccessibilityLanguage Tag Syntax Checker
Check browser-supported language-tag syntax and canonical spelling while identifying private-use tags separately.
AccessibilityLocale Number Formatter
Format a finite decimal in an explicit locale, showing the resolved locale and formatted parts.
AccessibilityLocale Date and Time Formatter
Format a timezone-explicit ISO instant in a chosen locale and IANA time zone.
AccessibilitySemantic HTML Table Generator
Convert a simple CSV table into escaped HTML with a caption and explicit header scope.
AccessibilityContrast Palette Generator
Generate bounded opaque sRGB candidates that meet a declared WCAG contrast ratio against one background.
AccessibilityARIA Markup Auditor
Inspect a limited set of declared roles, common ARIA value tokens and local ID references in pasted HTML.
AccessibilityText Spacing Preview
Compare plain text at default and enhanced spacing using a controlled browser preview.
AccessibilityExplicit Table Header Association Auditor
Inspect explicit headers references and scope declarations within each static HTML table.
AccessibilityStatic Landmark Region Auditor
Inventory declared/native landmark candidates and limited naming evidence in pasted HTML source.
AccessibilityStatic Focus Order Inspector
Inspect a limited source-order model of explicit tabindex and common native focus candidates.
AccessibilityDocument Language and Direction Auditor
Inspect inherited HTML lang/dir declarations over literal text regions with explicit uncertainty.
AccessibilitySVG Source Accessibility Auditor
Inspect SVG title/description,label references and decorative intent without rendering the vector.
AccessibilityCaption Timing and Reading Load Auditor
Review plain subtitle cues against your explicit source reading-speed,line-length,duration and adjacent-gap thresholds.
AccessibilityHTML Autocomplete Token Auditor
Inspect declared autocomplete detail tokens,ordering,contact qualifiers and the hidden-control on/off restriction.
AccessibilityStatic Link Purpose Source Auditor
Review checked link naming evidence,generic labels and identical labels with different raw destinations.
AccessibilityTarget Rectangle Spacing Check
Check exact 24 CSS pixel target-size and spacing geometry for a supplied rectangle layout.
AccessibilityMedia Track Source Inventory
Inventory audio and video track declarations and flag source-level caption and default-track questions.
AccessibilityStatic Form Entry List Preview
Preview ordered repeated form field names and text values under a narrow static no-submitter profile.
AccessibilityTimestamped Transcript Turn Organizer
Group declared same-speaker transcript turns while retaining source IDs, timestamps and overlap evidence.
AccessibilityReviewed HTML Accessibility Annotations
Inspect eligible static attributes and apply a hash-guarded, author-approved alt, form-name or language change list.
AccessibilityColor Token Contrast Matrix
Export every named foreground/background token pair with full-value contrast ratios and explicit 3, 4.5 and 7 thresholds.
AccessibilityQuestionnaire Markup Builder
Export authored native questionnaire controls with labels, grouped radio choices and explicit help associations.
AccessibilityMulti-level Table Markup Builder
Build bounded row and column header trees into escaped table markup with explicit associations for every data cell.
AccessibilityKeyboard Section Widget Builder
Export an original standalone tabs or accordion widget from bounded plain text, with keyboard behavior and source-bound script policies.