HTML corrector

Hi does anyone know of a tool that can fix HTML. One of my staff members upload files with crap loads of html errors that its ruining the layout of the page and would take me hours to manually edit

 

HTML Tidy.
http://sourceforge.net/projects/tidy

 

Thanks I downloaded it but know what to do with the .c files

 

Try this page then :

http://dev.int64.org/tidy.html

 

http://animeomnitude.com/?page=media/manga/bleach/bleachmanga

God dammit. Can anyone tell me why the ads appear to the side in IE