02 February 2014

https://github.com/validator/validator.github.io/releases/download/20140222/vnu-20140222.zip
This is a portable standalone version of the Nu Markup Checker. Use it from the command line for batch validation of HTML documents. You can also use it to provide a service for browser-based checking of HTML documents over the Web—just as with http://html5.validator.nu/ and http://validator.w3.org/nu/.