Base converter is a very helpful tool that you can use to convert between all bases from base 2 to base 36. Including binary, decimal, duodecimal, hexadecimal and vigesimal.

You can convert between bases by selecting the "from" base on the left and selecting the "to" base on the right. You can then enter your number and the app will convert it automatically.

The app also has a clear and a copy button to clear the entered value and to copy the output respectively.