ASCII Table

ASCII is a numeric computer code used to represent characters from the English alphabet.

Dec Hx Oct Ascii Character Dec Hx Oct Html Ascii Character Dec Hx Oct Ascii Character Dec Hx Oct Ascii Character
0 0 0 NUL (Null) 32 20 40   [Space] 64 40 100 @ 96 60 140 `
1 1 1 SOH 33 21 41 ! ! 65 41 101 A 97 61 141 a
2 2 2 STX 34 22 42 " " 66 42 102 B 98 62 142 b
3 3 3 ETX 35 23 43 # # 67 43 103 C 99 63 143 c
4 4 4 EOT 36 24 44 $ $ 68 44 104 D 100 64 144 d
5 5 5 ENQ 37 25 45 % % 69 45 105 E 101 65 145 e
6 6 6 ACK 38 26 46 & & 70 46 106 F 102 66 146 f
7 7 7 BEL 39 27 47 ' ' 71 47 107 G 103 67 147 g
8 8 10 BS Backspace 40 28 50 ( ( 72 48 110 H 104 68 150 h
9 9 11 TAB 41 29 51 ) ) 73 49 111 I 105 69 151 i
10 A 12 LF Line Feed 42 2A 52 * * 74 4A 112 J 106 6A 152 j
11 B 13 VT 43 2B 53 + + 75 4B 113 K 107 6B 153 k
12 C 14 FF Form Feed 44 2C 54 , , 76 4C 114 L 108 6C 154 l
13 D 15 CR Carriage Return 45 2D 55 - - 77 4D 115 M 109 6D 155 m
14 E 16 SO 46 2E 56 . . 78 4E 116 N 110 6E 156 n
15 F 17 SI 47 2F 57 / / 79 4F 117 O 111 6F 157 o
16 10 20 DLE 48 30 60 0 0 80 50 120 P 112 70 160 p
17 11 21 DC1 49 31 61 1 1 81 51 121 Q 113 71 161 q
18 12 22 DC2 50 32 62 2 2 82 52 122 R 114 72 162 r
19 13 23 DC3 51 33 63 3 3 83 53 123 S 115 73 163 s
20 14 24 DC4 52 34 64 4 4 84 54 124 T 116 74 164 t
21 15 25 NAK 53 35 65 5 5 85 55 125 U 117 75 165 u
22 16 26 SYN 54 36 66 6 6 86 56 126 V 118 76 166 v
23 17 27 ETB 55 37 67 7 7 87 57 127 W 119 77 167 w
24 18 30 CAN 56 38 70 8 8 88 58 130 X 120 78 170 x
25 19 31 EM 57 39 71 9 9 89 59 131 Y 121 79 171 y
26 1A 32 SUB (EOF) 58 3A 72 : : 90 5A 132 Z 122 7A 172 z
27 1B 33 ESC (Escape) 59 3B 73 ; ; 91 5B 133 [ 123 7B 173 {
28 1C 34 FS 60 3C 74 &lt; < 92 5C 134 \ 124 7C 174 |
29 1D 35 GS 61 3D 75 = = 93 5D 135 ] 125 7D 175 }
30 1E 36 RS 62 3E 76 &gt; > 94 5E 136 ^ 126 7E 176 ~
31 1F 37 US 63 3F 77 ? ? 95 5F 137 _ 127 7F 177 DEL

Ascii codes from 0 - 127 are identical to Unicode.
Ascii codes from 128 - 255 were known as 'Extended ASCII' but these have been superceeded by Unicode.
A shortcut method of converting between upper and lower case ASCII characters is to add or subtract 32 (or flip the sixth bit in binary).ASCII was originally an acronym for the American Standard Code for Information Interchange.

“Why shouldn’t we give our teachers a license to obtain software, all software, any software, for nothing? Does anyone demand a licensing fee, each time a child is taught the alphabet?” ~ William Gibson

Related:

Symbols & Smilies - Unicode
Punctuation Marks - Unicode
man ascii will produce an acii table on most unix systems.
Colour codes (CSS/HTML)
Cross Site Scripting Prevention - HTML Escaping


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