Tools for Webmasters and Others

This is a collection of internal tools which we use to develop and maintain our own websites, and which you may find useful too.

• The URLEncode and URLDecode Page
  Convert strings to/from URLEncoding (as used in URLs and forms).
• The Email Address Obfuscator Page
  Obfuscate email address links on your web pages to make it more difficult for spammers to "harvest" them from a web page.
• ISBN-10 / ISBN-13 Converter
  In 2007 the International ISBN Agency changed the format of ISBN numbers from 10 to 13 digits. Here's a converter, and what you need to know.
• What to do about Image Leeching
  Image leeching - websites embedding your images in their web pages - is annoying. Fortunately it is also an opportunity to have fun.