The following charts are ASCII code in hexadecimal (00-FF) and in decimal (0-255). The first 128 characters (00-7F) are standard 7-bit ASCII. The next 128 (80-FF) are extended ASCII as found in the first IBM PC. To view charts with ASCII first, see
ASCII chart. See
ASCII,
hex and
hex editor.
ASCII Code (Hexadecimal)
The ASCII characters are numbered from 00 to FF (0 to 255). To understand hexadecimal numbering, see
hex.
ASCII Code (Decimal)
The ASCII characters are numbered from 0 to 255 in decimal. Note that 0 to 9 are the same in both numbering systems.
ASCII Code (Decimal and Hexidecimal)
For projects requiring decimal (D) to hex (H) conversion or vice versa, both codes are presented side-by-side.