Bit Calculator


Bit Calculator is simple yet powerful bit manipulation macOS app, supporting up to 64 bit numbers, all common numeral systems and bitwise operations. Toggling bits are just a matter of single click. All bit positions are clearly labeled, so there is no need to count on screen manually.


  • 8 to 64 bit display
  • signed and unsigned
  • binary, octal, decimal, hexadecimal systems
  • bitwise operations (AND, OR, XOR, NOR, NOT)
  • shift operations (SHL, SHR, ROL, ROR)
  • input unsigned numbers as 2's complement
  • copy/paste results