/ hex-dec-bin

HEX - DEC - BIN

Converts numbers between hexadecimal, decimal and binary.

Converts numbers instantly between hexadecimal, decimal, and binary.

What it does

  • Accepts a value typed into any of the three fields.
  • Live-updates the other two representations as you type.
  • Handles arbitrarily large integers (BigInt), not just 32/64-bit values.

Use cases

  • Convert a scalar or offset before feeding it into the ECC Calculator.
  • Cross-check values while debugging cryptographic code.
  • General-purpose base conversion for any large integer.

This tool runs entirely in your browser. Nothing you enter is sent to or stored on any server.