Base conversion
Switch between hexadecimal, decimal, octal, and binary with clean, readable formatting.
Programmer math, without the noise
Hex Calculator
A focused calculator for developers, engineers, and students working with integer values, bit patterns, and number bases.
- HEX, DEC, OCT, BIN
- 8, 16, 32, and 64-bit words
- ASCII and EBCDIC helpers
Built for base work
Move between representations fast.
Enter values in the base you are thinking in, then inspect the same value across the formats you use while debugging, learning, or reading low-level documentation.
Word-size control
Choose 8-bit, 16-bit, 32-bit, or 64-bit words and see signed decimal interpretations.
Bitwise operations
Use AND, OR, XOR, NOT, shifts, rotates, arithmetic shift, and sign toggling in one focused tool.
Character helpers
View ASCII and EBCDIC interpretations for byte values, with reference charts close at hand.
Practical workflows
For masks, flags, byte packing, and binary layouts.
Debug integer state
Compare the same value across bases and signed formats.
Inspect byte-level meaning
Check byte order, character values, and floating-point interpretations.
Keep context
Restore calculator state, appearance, and layout context between sessions.
Hex Calculator Patron
Unlock advanced inspection tools.
Patron features are designed for deeper integer work: byte views, endianness, Float32 and Float64 decoding, a bit editor, working registers, expression helpers, and Copy As export formats.
Bit Editor
Registers
Copy As
Float decoding
Expression helpers
Byte swapping
Purpose-built for programmer math.
Hex Calculator gives you a clean workspace for the values and operations general calculators bury.
Download on the App Store