mondalaci

Have you ever tried to validate a WordPress page that is full of Flash content and experienced some major pain throughout the process? If so, then this plugin is just for you!
Ultimate Flash XMTMLizer turns Flash embed code into well-formed XHTML by escaping object tags on the server side and unescaping them on the client side using JavaScript.

Ultimate Flash XHTMLizer

Turns Flash embed code into well-formed XHTML by escaping object tags on the server side and unescaping them on the client side using JavaScript.

Roland Rust

It functions as a frontend for the Markup Validator Web Service API on http://validator.w3.org. Stylesheets are checked as well.
Languages available: 
+ english 
+ deutsch(german)

Batch Validator

This plugin performs a batch markup validation check over your entire WordPress website.

Ultimate Flash XHTMLizer vs Batch Validator