html validator
Debugged!
Debugged! is the premier debugging suite for WordPress theme and plugin developers (although everyone is certainly welcome to it!). It provides a simple to use and unobtrusive debugging bar (the location and display of which is configurable) which will allow you to check system information, GET and POST variables, cookies, session variables and SQL queries at a glance, as well as providing a simple-to-use error checker and inline W3C validatio...
5sec Validator
validate your complete site in seconds validate any URL – post, page, taxonomy or custom post type detailed errors report for HTML detailed errors and warnings report for CSS uses industry-standard validator from W3C a must have for any SEO aware webmaster improve your site’s SEO and speed View live WP demo with admin access Changelog v1.1 - January 3rd 2012 * timestamp display is now formated according to WP locale * minor timeout re...
PHP Advanced String Class
This is a nice-ordered class (tools) that will help you to do A LOT of things more easy (validating, working with dates, detecting spam, and so..) The documentation is very complete, there I explain how each function works and each one has a example perfectly Syntax-Highlighted. Plus, have some examples in /examples/ folder. Here is what you can do with this class: Validate numeric values (strict and non-strict) Validate only-letters Check i...
w3c site validator
This program validates an entire local site with w3c in one click, no need to validate a website page by page. It actualy validates local files. This program currently validates html, htm and php files. A php compiler is included, so it can also validate php files based on their html output. Updates: 14/09/2011 validate php files! view html output Copy or google an error