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
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)
ASCII Code (Decimal and Hexidecimal)
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
For projects requiring decimal (D) to hex (H) conversion or vice versa, both codes are presented side-by-side.