• HTML code check by NetMechanic
  in Web Tools > HTML Validators with web tools html validators code netmechanic
• HTML Tidy Online
  
  HTML Tidy Online is a tool for checking and cleaning up HTML source files. It is especially useful for finding and correcting errors in deeply nested HTML, or for making grotesque code legible once more.
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  in Web Tools > HTML Validators with web tools html validators tidy online by 7 users
• The W3C Markup Validation Service
  
  W3C's easy-to-use markup validation service, based on SGML and XML parsers.
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  in Web Tools > HTML Validators with web tools html validators w3c markup validation service by 105 users
• WDG HTML Validator
  
  The WDG Validator will check the syntactical correctness of your HTML to help you produce more accessible Web pages.
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  in Web Tools > HTML Validators with web tools html validators wdg by 7 users

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