The first full featured, in-browser HTML5 validator for Chrome

A HTML5 validation plugin for Google Chrome

Based on HTML Tidy for HTML5 as can be found here: https://github.com/w3c/tidy-html5

Compiled to JavaScript using Emscripten as can be found here: https://github.com/kripken/emscripten

 Key features:

  • Full error checking by TIDY Library
  • No need to make calls to external services
  • No need to install extra software
  • See directly wether a page is valid HTML (5) or not, in a non obtrusive way
  • Use your original network traffic to analyse the source code: validate the HTML you received from the server.

The Github repository can be found here: https://github.com/Reggino/Kingsquare-HTML-validator. Please report issues and/or give feedback there.

Todo

  • Closure-compile tidy_cli.js with Virtual Filesystem options
  • Add a source-view tab with highlighting

The Chrome plugin can be installed here: https://chrome.google.com/webstore/detail/anjdemaoejlpgmnmkijdemoiebcddhkc