Checks links in your HTML files, to be sure that your documents contain no broken links. Can validate thousands HTML documents at once. Just double-click on a folder with your web site project and Validator will find all HTML files in this folder/subfolders, marks files with errors, displays links in convenient format, allow you to edit them. It even can find and validate at once all HTMLs on your hard drive! Unlike many other validators, HTML Link Validator checks filenames CASE SENSITIVELY. This is especially important because your web project with case errors will work on your computer under the Windows, but will not work when you upload your site to web server. Lowercase tool allow convert any file name (or even all filenames in a folder at once) to lowercase. Very easy to use.