base-calculator.com is a free and open source website to calculate and convert differently based numbers and text.
Base calculator is a tool to calculate with different based number-systems like Binary, Octal, Decimal and Hexadecimal. base-calculator.com
Base converter is a tool to convert numbers with base n to numbers with base x. base-calculator.com/base-converter
Text converter is a tool to convert text into a number with base x. base-calculator.com/text-converter