Chrome //
Extensions 
Chrome
Web store 
Download Kingsquare HTML Validator chrome extension. A HTML5 validation library, using a JavaScript port of the excellent TIDY library and install in your Google chrome browser. This is Direct Kingsquare HTML Validator Crx download for Chrome it is also called Kingsquare HTML Validator offline CRX for chrome Download. This Kingsquare HTML Validator is used to A HTML5 validation library, using a JavaScript port of the excellent TIDY library
-
Validating web page
-
Add HTML Validator in Developer Tools
-
The plugin for live HTML validation of a browser page during web development.
-
Click the icon in the address bar or press Alt+Shift+V to validate the current page. Results can be seen in Chrome's JS console.
-
This extension will validate HTML on a page
-
Validate HTML on a page
-
Validate your XML, HTML and XHTML markup language
-
A11Y HTML5 Validator
-
Open the current tab in Schema.org Validator by Break The Web
-
Check TLSA records