HTML PowerTools for Windows - Version 2.1 HTML PowerTools are the Swiss army knife of HTML tools that ensure that your HTML is error-free for any or all browsers, verify that all your links are valid, weed out all obsolete files from your Website directories, eradicate spelling errors, make sure that the major search engines correctly list your Website using site-wide Meta tag management, search & replace through an entire Website with unique HTML-aware facilities, automatically insert height/width/ALT for every IMG tag, automatically insert a last modified date to every page in your Website, and much more.