Alternatives to W3C Markup Validation Service for all platforms with any license



Web / Online


  • HTML Validator icon

    HTML Validator

    HTML Validator is a Mozilla extension that adds HTML validation inside Firefox and Mozilla. The number of errors of a HTML page is...

    Free Mac Windows Linux Firefox

  • Total Validator icon

    Total Validator

    Total Validator is an HTML validator, an accessibility validator, a spell checker, and a broken links checker all rolled into one...

    Freemium Mac Windows Linux

  • Rocket Validator icon

    Rocket Validator

    HTML markup validation is a key factor in web development - it ensures your sites conform to the latest W3C standards and that...

    Commercial Web / Cloud

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