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Grackle Check - WCAG Accessibility Checker

GrackleDocs Inc.
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Overview

WCAG 2.2 AA compliance checker for web pages. Scan any website for accessibility issues directly from your browser.

Grackle Check is a comprehensive WCAG 2.2 AA accessibility checker that runs directly in your browser. Built by GrackleDocs, it scans any webpage for accessibility issues and displays results in a convenient side panel. KEY FEATURES: - Complete WCAG 2.2 AA automated checks (Level A and AA criteria) - Side panel interface that stays open while you browse - Filter-aware highlights — show only failures, warnings, or both - Click any issue to scroll to and highlight the element - Overview, Failures, ARIA, Reading Order, and Images tabs - Draggable code inspection modal with smart positioning - Contrast results show detected foreground/background colors - Branded HTML report with table of contents and navigation - Flesch-Kincaid reading level analysis - CSV export for spreadsheet analysis - Available in English, Spanish, French, and German - 100% local processing — no data leaves your browser WCAG CRITERIA CHECKED: - 1.1.1 Non-text Content (images, alt text) - 1.2.1 Audio-only and Video-only (media detection) - 1.2.2 Captions Prerecorded (video caption tracks) - 1.2.5 Audio Description (video description tracks) - 1.3.1 Info and Relationships (headings, forms, landmarks, tables, labels, ARIA) - 1.4.3 Contrast Minimum (color contrast with detected colors) - 1.4.8 Visual Presentation (text justification) - 2.1.1 Keyboard (keyboard accessibility) - 2.4.1 Bypass Blocks (skip links with target validation) - 2.4.2 Page Titled - 2.4.4 Link Purpose (link text quality) - 2.4.7 Focus Visible (focus indicators) - 2.4.11 Focus Not Obscured (WCAG 2.2) - 2.5.8 Target Size Minimum (WCAG 2.2) - 3.1.1 Language of Page (HTML lang attribute) - 3.3.7 Accessible Authentication (WCAG 2.2) - 3.3.8 Redundant Entry (WCAG 2.2) - 4.1.2 Name, Role, Value (buttons, iframes, ARIA validation) PRIVACY: All accessibility checks run entirely in your browser. No data is collected, stored externally, or transmitted to any server. Built by GrackleDocs — making digital accessibility achievable for everyone.

Details

  • Version
    1.2.5
  • Updated
    April 14, 2026
  • Size
    723KiB
  • Languages
    4 languages
  • Developer
    GrackleDocs Inc.
    92 Caplan Avenue Suite 508 Barrie, ON L4N 9J2 CA
    Website
    Email
    jmills@grackledocs.com
    Phone
    +44 7714 857323
  • Trader
    This developer has identified itself as a trader per the definition from the European Union and committed to only offer products or services that comply with EU laws.
  • D-U-N-S
    243311861

Privacy

Manage extensions and learn how they're being used in your organization
The developer has disclosed that it will not collect or use your data. To learn more, see the developer’s privacy policy.

This developer declares that your data is

  • Not being sold to third parties, outside of the approved use cases
  • Not being used or transferred for purposes that are unrelated to the item's core functionality
  • Not being used or transferred to determine creditworthiness or for lending purposes

Support

For help with questions, suggestions, or problems, visit the developer's support site

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