The following charts are ASCII code in decimal (0-255) and in hexadecimal (00-FF). The first 128 characters (0-127) are standard 7-bit ASCII. The next 128 (128-255) are extended ASCII as found in the first IBM PC. To view charts with hex first, see hex chart. See ASCII, hex and hex editor.
ASCII Code (Decimal)
The ASCII characters are numbered from 0 to 255. The chart below shows their designation in hexadecimal numbers.
ASCII Code (Hexadecimal)
The ASCII characters are numbered from 00 to FF in hexadecimal. Note that 0 to 9 are the same in both numbering systems. To understand hex numbers, see hex