Tidy is available as a PHP module for both PHP 4.3.x as well as PHP 5 Version 1.0 is available online in the PECL repository at http://pecl.php.net/tidy Win32 PHP modules are available for PHP 4.3.x (with PHP 5 coming soon) Tidy can be installed either by using the %pear% command, or by compiling the source yourself. In either case, you'll need the latest libtidy library from http://tidy.sf.net/ Once installed, %phpinfo()% should show tidy listed