Free Tool To Create htaccess Files Easily: httool
This is a small tool to help you with generating your .htaccess file. It’s a collection of tips, tricks and techniques used in .htaccess files to provide functionality or boost performance.
Its very easy to use: just enter the URL of the site you want to create the rules for and check the options you wish to use. When done, you can copy/paste your generated .htaccess information in your .htaccess file.