Below is a list of additional Excel resources where you can find all manner of helpful add-ins, Excel templates, forums for questions, and general help on using and enhancing Excel.

Vertex42 :  Excel Add-ins, Templates and Resources - Find hundreds of Excel resources in Vertex42's Excel Nexus - The Ultimate Directory of Excel links.

Txt2Bin : A handy, web-based, instant text to binary and back converter. Handles Chinese characters and symbols.