php.net

PHP is a popular general-purpose scripting language that is especially suited to web development.

Fast, flexible and pragmatic, PHP powers everything from your blog to the most popular websites in the world.

The language that Joomla! is developed in.

Image sprite generator

Trasforma le tue immagini in un'unico sprite css e velocizza il caricamento del tuo sito web!

HTML Color Name

Color Names Supported by All Browsers

147 color names are defined in the HTML and CSS color specification (17 standard colors plus 130 more). The table below lists them all, along with their hexadecimal values.

Source Highlighter

Doesn't get any easier than this to create a webpage from your source code...

Highlight Source code

hilite.me converts your code snippets into pretty-printed HTML format, easily embeddable into blog posts, emails and websites.

Web Page Analyser

Free Website Performance Tool and Web Page Speed Analysis

W3C Validator

W3C Markup Validation Service.

This validator checks the markup validity of Web documents in HTML, XHTML, SMIL, MathML, etc.

W3C CSS Validator

CSS Validation Service.

Check Cascading Style Sheets (CSS) and (X)HTML documents with style sheets

FavIcon from Pics

Brand your page with a custom icon in the address bar.