ASCII

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On mobile phones, many binary values listed here will be interpreted as phone numbers. This gives them a blue, clickable link.

ASCII is a special way of encoding characters, which was mainly used in the 1960s-1970s, and more recently it has been used in EsoLangs. ASCII stands for American Standard Code for Information Interchange. ASCII uses 8 binary digits (bits) to represent characters: 1000001 (65) represents the upper-case letter A; 1000010 represents B; 1000011 represents C; and so on in sequence.

Eight bits allowed a parity bit to be included in each byte sent over a serial port or modems, this bit is used for avoiding errors. This was more important years ago when connections were often noisy.

For esolangs, most of ASCII before 32 won't be relevant. The main pre-32 characters are NULL and new line.

Binary Decimal Hexadecimal Character
0000000 0 00 NULL
0000001 1 01 Start of Heading
0000010 2 02 Start of Text
0000011 3 03 End of Text
0000100 4 04 End of Transmission
0000101 5 05 Enquiry
0000110 6 06 Acknowledgement
0000111 7 07 Bell
0001000 8 08 Backspace
0001001 9 09 Horizontal Tab
0001010 10 0A New Line
0001011 11 0B Vertical Tab
0001100 12 0C Form Feed
0001101 13 0D Carriage Return
0001110 14 0E Shift Out
0001111 15 0F Shift In
0010000 16 10 Data Link Escape
0010001 17 11 Device Control 1
0010010 18 12 Device Control 2
0010011 19 13 Device Control 3
0010100 20 14 Device Control 4
0010101 21 15 Negative Acknowledgement
0010110 22 16 Synchronous Idle
0010111 23 17 End of Transmission Block
0011000 24 18 Cancel
0011001 25 19 End of Medium
0011010 26 1A Substitute
0011011 27 1B Escape
0011100 28 1C File Separator
0011101 29 1D Group Separator
0011110 30 1E Record Separator
0011111 31 1F Unit Separator
00100000 32 20 Space
00100001 33 21 !
00100010 34 22 "
00100011 35 23 #
00100100 36 24 $
00100101 37 25 %
00100110 38 26 &
00100111 39 27 '
00101000 40 28 (
00101001 41 29 )
00101010 42 2A *
00101011 43 2B +
00101100 44 2C ,
00101101 45 2D -
00101110 46 2E .
00101111 47 2F /
00110000 48 30 0
00110001 49 31 1
00110010 50 32 2
00110011 51 33 3
00110100 52 34 4
00110101 53 35 5
00110110 54 36 6
00110111 55 37 7
00111000 56 38 8
00111001 57 39 9
00111010 58 3A :
00111011 59 3B ;
00111100 60 3C <
00111101 61 3D =
00111110 62 3E >
00111111 63 3F ?
01000000 64 40 @
01000001 65 41 A
01000010 66 42 B
01000011 67 43 C
01000100 68 44 D
01000101 69 45 E
01000110 70 46 F
01000111 71 47 G
01001000 72 48 H
01001001 73 49 I
01001010 74 4A J
01001011 75 4B K
01001100 76 4C L
01001101 77 4D M
01001110 78 4E N
01001111 79 4F O
01010000 80 50 P
01010001 81 51 Q
01010010 82 52 R
01010011 83 53 S
01010100 84 54 T
01010101 85 55 U
01010110 86 56 V
01010111 87 57 W
01011000 88 58 X
01011001 89 59 Y
01011010 90 5A Z
01011011 91 5B [
01011100 92 5C \
01011101 93 5D ]
01011110 94 5E ^
01011111 95 5F _
01100000 96 60 `
01100001 97 61 a
01100010 98 62 b
01100011 99 63 c
01100100 100 64 d
01100101 101 65 e
01100110 102 66 f
01100111 103 67 g
01101000 104 68 h
01101001 105 69 i
01101010 106 6A j
01101011 107 6B k
01101100 108 6C l
01101101 109 6D m
01101110 110 6E n
01101111 111 6F o
01110000 112 70 p
01110001 113 71 q
01110010 114 72 r
01110011 115 73 s
01110100 116 74 t
01110101 117 75 u
01110110 118 76 v
01110111 119 77 w
01111000 120 78 x
01111001 121 79 y
01111010 122 7A z
01111011 123 7B {
01111100 124 7C |
01111101 125 7D }
01111110 126 7E ~
01111111 127 7F Delete

See also