ASCII table reference — decimal, hex, octal, binary
A complete reference for the standard 7-bit ASCII set, codes 0 to 127. Every row shows the decimal, hexadecimal, octal and binary value alongside the character itself and a short description — including control-code names like NUL, LF, CR and ESC.
Filter to printable or control characters, or search by number, hex, character or name. Everything runs in your browser; nothing is uploaded.