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Grackle Check vs WCAG Crawler

Both stand on website accessibility tools. Which one you can start free with, which one lets you read the code, and what each costs once you pay.

Grackle Check

Free plan Extension

Grackle Check combines local browser scanning, manual inspection and shareable reports in a free extension. Its no-account model and coverage of protected or local pages may suit accessibility workflows across development and review teams.

Visit Grackle Check

WCAG Crawler

Free plan APILinuxSelf-hosted+1

WCAG Crawler offers crawl-based accessibility checks, reporting, API controls, and CI/CD integration without a software charge. Its scan caps and automated-only coverage mean larger or compliance-critical reviews need additional planning and manual evaluation.

Visit WCAG Crawler

The facts

Grackle CheckWCAG Crawler
Free planYesYes
Open sourceNot publishedNot published
Runs onExtensionAPI, Linux, Self-hosted, Web
Lowest paid planFree or on requestFree or on request
Plans published21
MakerGrackle CheckNot published
Websitegrackledocs.comgithub.com
On website accessibility tools#62 of 133#58 of 133

Grackle Check: what it does well

  • Scans WCAG 2.2 AA issues
  • Manual Focus Order and Disable CSS views
  • HTML and CSV report generation
  • Scans local and protected environments
  • No account or feature gates

What to know first

  • Chrome extension only
  • No trial period
  • Reports and scans depend on browser use
  • Support is provided through tickets

WCAG Crawler: what it does well

  • Checks WCAG 2.0 and 2.1 A/AA
  • Groups shared component issues
  • Provides remediation code suggestions
  • GitHub Action supports CI/CD
  • MIT license permits self-hosting

What to know first

  • Automated scans do not certify compliance
  • Anonymous scans capped at 10 pages
  • Higher limits require verified or allowlisted access

Alternatives to Grackle Check Alternatives to WCAG Crawler The whole list