Grackle GO vs Total Validator

Grackle GO is a tool for automated PDF accessibility checks. It scans documents and provides tools for tagging, reading order, alternative text, and remediation guidance. It supports PDF/UA and OCR. The service is listed for the web, Windows, macOS, and Linux, and its stated WCAG coverage is categorized as other standard. Its Free plan costs nothing. Unauthenticated users can run 10 validations per hour, and files must be no larger than 25 MB. The tool does not include manual review tools, mobile testing, a browser extension, or CI/CD integration. Grackle GO is made by Grackle GO, headquartered in Barrie, Ontario, Canada.

Total Validator is a freemium tool for checking website accessibility, HTML, CSS, broken links and spelling. Automated accessibility checks cover WCAG 2.2, 2.1 and 2.0, US Section 508 and ARIA standards. It validates HTML and XHTML against W3C and WHATWG standards, and CSS against W3C standards. The product runs through web, Windows, macOS, Linux, an API and a browser extension, with CI/CD integration. Jenkins, Team City and Selenium can call the CI version, which also provides a Web API. Remediation guidance is included. Pro can test authenticated pages, intranets, private websites and JavaScript-generated DOMs through browser extensions, while returning results locally for security. The free Test version shows only a one-page issue summary. Basic handles one page at a time; whole-site and multiple-site validation are Pro features. Manual review tools and mobile testing are not provided.