ComfyHexCalc is a precision macOS calculator built for low level and systems work where exact bit behavior matters
ComfyHexCalc is a precision macOS calculator built for low level and systems work where exact bit behavior matters.
Perform fast hexadecimal math and bitwise operations at fixed widths including 8 bit, 16 bit, 32 bit, and 64 bit, with clearly wrapped results and instant decimal output. Switch operations instantly, compare inputs A and B, and run calculations with overflow aware behavior that reflects real machine constraints.
Key features
Fixed width modes: 8 bit, 16 bit, 32 bit, 64 bit
Hex focused input with instant formatted output
Arithmetic and bitwise operations including Add, Subtract, AND, OR, XOR
Shift operations including Left shift and Right shift
Unary operations including NOT and NEG
Checksum helpers including ones complement and twos complement modes
Wrap on overflow toggle for realistic register style math
Calculation history with quick recall and deletion
Keyboard first workflow with shortcuts and paste support
Copy hex or decimal results directly from the result view
Optional Float on Top mode for use while coding or debugging
ComfyHexCalc is designed for developers, embedded engineers, reverse engineers, and students who need exact, repeatable binary and hexadecimal behavior instead of generic calculator approximations.