Useful free online string manipulation tools

www.string-functions.com is a set of online string manipulation tools.
Not that it is complex to do by yourself but it can be useful sometimes for quick-edit-stuff.
Direct links to services:

• Reverse A String
• Calculate String Length
• Count The Occurrences Of A Substring Within A String
• Convert A String To Uppercase Or Lowercase

• HTML-Encode A String
• HTML-Decode A String

• Convert A String To Hex
• Convert Hex To String

• URL-Encode A String
• URL-Decode A String

• Convert Hex Values To RGB
• Convert RGB Values To Hex