CodedockASCII Code Table Reference
Complete ASCII character reference table with decimal, hexadecimal, octal, and binary values.
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ASCII Character Table
Showing 128 of 128 characters. Click on any value to copy it.
| Decimal | Hex | Octal | Binary | Character | Name | Description |
|---|---|---|---|---|---|---|
␀ | NULL | Null character | ||||
␀ | SOH | Start of Heading | ||||
␀ | STX | Start of Text | ||||
␀ | ETX | End of Text | ||||
␀ | EOT | End of Transmission | ||||
␀ | ENQ | Enquiry | ||||
␀ | ACK | Acknowledge | ||||
␀ | BEL | Bell/Alert | ||||
␀ | BS | Backspace | ||||
␀ | TAB | Horizontal Tab | ||||
␀ | LF | Line Feed/New Line | ||||
␀ | VT | Vertical Tab | ||||
␀ | FF | Form Feed | ||||
␀ | CR | Carriage Return | ||||
␀ | SO | Shift Out | ||||
␀ | SI | Shift In | ||||
␀ | DLE | Data Link Escape | ||||
␀ | DC1 | Device Control 1 (XON) | ||||
␀ | DC2 | Device Control 2 | ||||
␀ | DC3 | Device Control 3 (XOFF) | ||||
␀ | DC4 | Device Control 4 | ||||
␀ | NAK | Negative Acknowledge | ||||
␀ | SYN | Synchronous Idle | ||||
␀ | ETB | End of Trans. Block | ||||
␀ | CAN | Cancel | ||||
␀ | EM | End of Medium | ||||
␀ | SUB | Substitute | ||||
␀ | ESC | Escape | ||||
␀ | FS | File Separator | ||||
␀ | GS | Group Separator | ||||
␀ | RS | Record Separator | ||||
␀ | US | Unit Separator | ||||
␣ | SPACE | Space character | ||||
! | SYMBOL | Punctuation and symbols | ||||
" | SYMBOL | Punctuation and symbols | ||||
# | SYMBOL | Punctuation and symbols | ||||
$ | SYMBOL | Punctuation and symbols | ||||
% | SYMBOL | Punctuation and symbols | ||||
& | SYMBOL | Punctuation and symbols | ||||
' | SYMBOL | Punctuation and symbols | ||||
( | SYMBOL | Punctuation and symbols | ||||
) | SYMBOL | Punctuation and symbols | ||||
* | SYMBOL | Punctuation and symbols | ||||
+ | SYMBOL | Punctuation and symbols | ||||
, | SYMBOL | Punctuation and symbols | ||||
- | SYMBOL | Punctuation and symbols | ||||
. | SYMBOL | Punctuation and symbols | ||||
/ | SYMBOL | Punctuation and symbols | ||||
0 | Digit 0 | |||||
1 | Digit 1 | |||||
2 | Digit 2 | |||||
3 | Digit 3 | |||||
4 | Digit 4 | |||||
5 | Digit 5 | |||||
6 | Digit 6 | |||||
7 | Digit 7 | |||||
8 | Digit 8 | |||||
9 | Digit 9 | |||||
: | SYMBOL | Punctuation and symbols | ||||
; | SYMBOL | Punctuation and symbols | ||||
< | SYMBOL | Punctuation and symbols | ||||
= | SYMBOL | Punctuation and symbols | ||||
> | SYMBOL | Punctuation and symbols | ||||
? | SYMBOL | Punctuation and symbols | ||||
@ | SYMBOL | Punctuation and symbols | ||||
A | UPPERCASE | Uppercase letter A | ||||
B | UPPERCASE | Uppercase letter B | ||||
C | UPPERCASE | Uppercase letter C | ||||
D | UPPERCASE | Uppercase letter D | ||||
E | UPPERCASE | Uppercase letter E | ||||
F | UPPERCASE | Uppercase letter F | ||||
G | UPPERCASE | Uppercase letter G | ||||
H | UPPERCASE | Uppercase letter H | ||||
I | UPPERCASE | Uppercase letter I | ||||
J | UPPERCASE | Uppercase letter J | ||||
K | UPPERCASE | Uppercase letter K | ||||
L | UPPERCASE | Uppercase letter L | ||||
M | UPPERCASE | Uppercase letter M | ||||
N | UPPERCASE | Uppercase letter N | ||||
O | UPPERCASE | Uppercase letter O | ||||
P | UPPERCASE | Uppercase letter P | ||||
Q | UPPERCASE | Uppercase letter Q | ||||
R | UPPERCASE | Uppercase letter R | ||||
S | UPPERCASE | Uppercase letter S | ||||
T | UPPERCASE | Uppercase letter T | ||||
U | UPPERCASE | Uppercase letter U | ||||
V | UPPERCASE | Uppercase letter V | ||||
W | UPPERCASE | Uppercase letter W | ||||
X | UPPERCASE | Uppercase letter X | ||||
Y | UPPERCASE | Uppercase letter Y | ||||
Z | UPPERCASE | Uppercase letter Z | ||||
[ | SYMBOL | Punctuation and symbols | ||||
\ | SYMBOL | Punctuation and symbols | ||||
] | SYMBOL | Punctuation and symbols | ||||
^ | SYMBOL | Punctuation and symbols | ||||
_ | SYMBOL | Punctuation and symbols | ||||
` | SYMBOL | Punctuation and symbols | ||||
a | LOWERCASE | Lowercase letter a | ||||
b | LOWERCASE | Lowercase letter b | ||||
c | LOWERCASE | Lowercase letter c | ||||
d | LOWERCASE | Lowercase letter d | ||||
e | LOWERCASE | Lowercase letter e | ||||
f | LOWERCASE | Lowercase letter f | ||||
g | LOWERCASE | Lowercase letter g | ||||
h | LOWERCASE | Lowercase letter h | ||||
i | LOWERCASE | Lowercase letter i | ||||
j | LOWERCASE | Lowercase letter j | ||||
k | LOWERCASE | Lowercase letter k | ||||
l | LOWERCASE | Lowercase letter l | ||||
m | LOWERCASE | Lowercase letter m | ||||
n | LOWERCASE | Lowercase letter n | ||||
o | LOWERCASE | Lowercase letter o | ||||
p | LOWERCASE | Lowercase letter p | ||||
q | LOWERCASE | Lowercase letter q | ||||
r | LOWERCASE | Lowercase letter r | ||||
s | LOWERCASE | Lowercase letter s | ||||
t | LOWERCASE | Lowercase letter t | ||||
u | LOWERCASE | Lowercase letter u | ||||
v | LOWERCASE | Lowercase letter v | ||||
w | LOWERCASE | Lowercase letter w | ||||
x | LOWERCASE | Lowercase letter x | ||||
y | LOWERCASE | Lowercase letter y | ||||
z | LOWERCASE | Lowercase letter z | ||||
{ | SYMBOL | Punctuation and symbols | ||||
| | SYMBOL | Punctuation and symbols | ||||
} | SYMBOL | Punctuation and symbols | ||||
~ | SYMBOL | Punctuation and symbols | ||||
DEL | DELETE | Delete character |
Number Systems
Decimal (Base 10)
Standard counting system: 0-9
Hexadecimal (Base 16)
Uses digits 0-9 and letters A-F
Octal (Base 8)
Uses digits 0-7
Binary (Base 2)
Uses only 0 and 1
Common ASCII Ranges
Control Characters
0-31
Space
32
Symbols & Punctuation
33-47, 58-64, 91-96, 123-126
Digits
48-57
Uppercase Letters
65-90
Lowercase Letters
97-122
Delete
127