Webmaster tools
MailForm
A contact-form widget for your websites. Just paste the code to your website and your visitors will be able to write you messages to your email address.
Colorpicker - HTML and CSS colors
Comfortable choosing HTML and CSS colors with a color-picker just using your mouse. You can select RGB, hue, saturation and brightness values.
Online HTML special characters to entities convertor
An online utility converting between HTML special characters and entities for inserting e.g. banners source codes into code or pre tags.