is a free, cross-platform Integrated Development Environment (IDE), designed for the cloud. It enables you to easily develop, debug and deploy web applications using your browser.
is an online tool for editing and testing Regular Expressions (RegExp / RegEx)
A JavaScript Compressor from Dean Edwards
Online tool to translate ASCII/ANSI, HEX, Binary, Base64, etc... Encoder/Decoder with MD2, MD4, MD5, SHA1+2, RIPEMD, CRC, etc. hashing algorithms.
generate md4 md5 sha1 sha256 sha512 ripemd and whirlpool hashes on the fly
starter kit page. A tool specifically designed to ease the pain of the ie6 css debugger
Optimizing images by hand is time consuming and painful
CSS Formatter and Optimiser
CleanCSS is a powerful CSS optimizer and formatter. Basically, it takes your CSS code and makes it cleaner and more concise