BCC Calculator

Calculate BCC (Block Check Character) XOR checksum online. Input HEX bytes or ASCII text and get the XOR result in multiple formats. Commonly used in serial communication protocols.

Input Mode

Input Data

HEX format examples: 313233 or 31 32 33 or 0x31 0x32 0x33

Initial Value (XOR start, hex)

XOR Mask (output, hex)