The Responsive grid generator Created by Erskine Design

The easiest way to test a website on a custom connection environment.

weinre is a debugger for web pages, like FireBug (for FireFox) and Web Inspector (for WebKit-based browsers), except it’s designed to work remotely, and in particular, to allow you debug web pages on a mobile device such as a phone.

A lightweight javascript date library for parsing, manipulating, and formatting dates.

Draw something in the left box!

And let shapecatcher help you to find the most similar unicode characters!

(via The Loop)