This is a base-to-base converter. It will convert any number in almost every base to another base. The highest base is 36. For example, it will convert '1101' in base 2 to 'D' in base 16. This works by taking your number in the specified base and converting it to base 10, then into the second specified base. About bases We count in base 10, with place values of 1, 10, 100, etc. You can have up to 9 1s, 9 10s, 9 100s, etc. Now lets go into base 2, or binary. The place values in this base are 1, 2, 4, 8, etc. You can have 0 or 1 ones, 0 or 1 twos, etc.