ASCII Table
All 128 ASCII codes in dec/hex/oct/binary, with control character names.
| Dec | Hex | Oct | Binary | Char | Name | Category |
|---|---|---|---|---|---|---|
| 0 | 0x00 | 000 | 0000000 | · | NUL (null) | Control |
| 1 | 0x01 | 001 | 0000001 | · | SOH (start of heading) | Control |
| 2 | 0x02 | 002 | 0000010 | · | STX (start of text) | Control |
| 3 | 0x03 | 003 | 0000011 | · | ETX (end of text) | Control |
| 4 | 0x04 | 004 | 0000100 | · | EOT (end of transmission) | Control |
| 5 | 0x05 | 005 | 0000101 | · | ENQ (enquiry) | Control |
| 6 | 0x06 | 006 | 0000110 | · | ACK (acknowledge) | Control |
| 7 | 0x07 | 007 | 0000111 | · | BEL (bell) | Control |
| 8 | 0x08 | 010 | 0001000 | · | BS (backspace) | Control |
| 9 | 0x09 | 011 | 0001001 | · | HT (horizontal tab) | Control |
| 10 | 0x0A | 012 | 0001010 | · | LF (line feed) | Control |
| 11 | 0x0B | 013 | 0001011 | · | VT (vertical tab) | Control |
| 12 | 0x0C | 014 | 0001100 | · | FF (form feed) | Control |
| 13 | 0x0D | 015 | 0001101 | · | CR (carriage return) | Control |
| 14 | 0x0E | 016 | 0001110 | · | SO (shift out) | Control |
| 15 | 0x0F | 017 | 0001111 | · | SI (shift in) | Control |
| 16 | 0x10 | 020 | 0010000 | · | DLE (data link escape) | Control |
| 17 | 0x11 | 021 | 0010001 | · | DC1 (XON) | Control |
| 18 | 0x12 | 022 | 0010010 | · | DC2 | Control |
| 19 | 0x13 | 023 | 0010011 | · | DC3 (XOFF) | Control |
| 20 | 0x14 | 024 | 0010100 | · | DC4 | Control |
| 21 | 0x15 | 025 | 0010101 | · | NAK (negative acknowledge) | Control |
| 22 | 0x16 | 026 | 0010110 | · | SYN (synchronous idle) | Control |
| 23 | 0x17 | 027 | 0010111 | · | ETB (end of trans. block) | Control |
| 24 | 0x18 | 030 | 0011000 | · | CAN (cancel) | Control |
| 25 | 0x19 | 031 | 0011001 | · | EM (end of medium) | Control |
| 26 | 0x1A | 032 | 0011010 | · | SUB (substitute) | Control |
| 27 | 0x1B | 033 | 0011011 | · | ESC (escape) | Control |
| 28 | 0x1C | 034 | 0011100 | · | FS (file separator) | Control |
| 29 | 0x1D | 035 | 0011101 | · | GS (group separator) | Control |
| 30 | 0x1E | 036 | 0011110 | · | RS (record separator) | Control |
| 31 | 0x1F | 037 | 0011111 | · | US (unit separator) | Control |
| 32 | 0x20 | 040 | 0100000 | Whitespace | ||
| 33 | 0x21 | 041 | 0100001 | ! | ! | Punctuation / Symbol |
| 34 | 0x22 | 042 | 0100010 | " | " | Punctuation / Symbol |
| 35 | 0x23 | 043 | 0100011 | # | # | Punctuation / Symbol |
| 36 | 0x24 | 044 | 0100100 | $ | $ | Punctuation / Symbol |
| 37 | 0x25 | 045 | 0100101 | % | % | Punctuation / Symbol |
| 38 | 0x26 | 046 | 0100110 | & | & | Punctuation / Symbol |
| 39 | 0x27 | 047 | 0100111 | ' | ' | Punctuation / Symbol |
| 40 | 0x28 | 050 | 0101000 | ( | ( | Punctuation / Symbol |
| 41 | 0x29 | 051 | 0101001 | ) | ) | Punctuation / Symbol |
| 42 | 0x2A | 052 | 0101010 | * | * | Punctuation / Symbol |
| 43 | 0x2B | 053 | 0101011 | + | + | Punctuation / Symbol |
| 44 | 0x2C | 054 | 0101100 | , | , | Punctuation / Symbol |
| 45 | 0x2D | 055 | 0101101 | - | - | Punctuation / Symbol |
| 46 | 0x2E | 056 | 0101110 | . | . | Punctuation / Symbol |
| 47 | 0x2F | 057 | 0101111 | / | / | Punctuation / Symbol |
| 48 | 0x30 | 060 | 0110000 | 0 | 0 | Digit |
| 49 | 0x31 | 061 | 0110001 | 1 | 1 | Digit |
| 50 | 0x32 | 062 | 0110010 | 2 | 2 | Digit |
| 51 | 0x33 | 063 | 0110011 | 3 | 3 | Digit |
| 52 | 0x34 | 064 | 0110100 | 4 | 4 | Digit |
| 53 | 0x35 | 065 | 0110101 | 5 | 5 | Digit |
| 54 | 0x36 | 066 | 0110110 | 6 | 6 | Digit |
| 55 | 0x37 | 067 | 0110111 | 7 | 7 | Digit |
| 56 | 0x38 | 070 | 0111000 | 8 | 8 | Digit |
| 57 | 0x39 | 071 | 0111001 | 9 | 9 | Digit |
| 58 | 0x3A | 072 | 0111010 | : | : | Punctuation / Symbol |
| 59 | 0x3B | 073 | 0111011 | ; | ; | Punctuation / Symbol |
| 60 | 0x3C | 074 | 0111100 | < | < | Punctuation / Symbol |
| 61 | 0x3D | 075 | 0111101 | = | = | Punctuation / Symbol |
| 62 | 0x3E | 076 | 0111110 | > | > | Punctuation / Symbol |
| 63 | 0x3F | 077 | 0111111 | ? | ? | Punctuation / Symbol |
| 64 | 0x40 | 100 | 1000000 | @ | @ | Punctuation / Symbol |
| 65 | 0x41 | 101 | 1000001 | A | A | Letter |
| 66 | 0x42 | 102 | 1000010 | B | B | Letter |
| 67 | 0x43 | 103 | 1000011 | C | C | Letter |
| 68 | 0x44 | 104 | 1000100 | D | D | Letter |
| 69 | 0x45 | 105 | 1000101 | E | E | Letter |
| 70 | 0x46 | 106 | 1000110 | F | F | Letter |
| 71 | 0x47 | 107 | 1000111 | G | G | Letter |
| 72 | 0x48 | 110 | 1001000 | H | H | Letter |
| 73 | 0x49 | 111 | 1001001 | I | I | Letter |
| 74 | 0x4A | 112 | 1001010 | J | J | Letter |
| 75 | 0x4B | 113 | 1001011 | K | K | Letter |
| 76 | 0x4C | 114 | 1001100 | L | L | Letter |
| 77 | 0x4D | 115 | 1001101 | M | M | Letter |
| 78 | 0x4E | 116 | 1001110 | N | N | Letter |
| 79 | 0x4F | 117 | 1001111 | O | O | Letter |
| 80 | 0x50 | 120 | 1010000 | P | P | Letter |
| 81 | 0x51 | 121 | 1010001 | Q | Q | Letter |
| 82 | 0x52 | 122 | 1010010 | R | R | Letter |
| 83 | 0x53 | 123 | 1010011 | S | S | Letter |
| 84 | 0x54 | 124 | 1010100 | T | T | Letter |
| 85 | 0x55 | 125 | 1010101 | U | U | Letter |
| 86 | 0x56 | 126 | 1010110 | V | V | Letter |
| 87 | 0x57 | 127 | 1010111 | W | W | Letter |
| 88 | 0x58 | 130 | 1011000 | X | X | Letter |
| 89 | 0x59 | 131 | 1011001 | Y | Y | Letter |
| 90 | 0x5A | 132 | 1011010 | Z | Z | Letter |
| 91 | 0x5B | 133 | 1011011 | [ | [ | Punctuation / Symbol |
| 92 | 0x5C | 134 | 1011100 | \ | \ | Punctuation / Symbol |
| 93 | 0x5D | 135 | 1011101 | ] | ] | Punctuation / Symbol |
| 94 | 0x5E | 136 | 1011110 | ^ | ^ | Punctuation / Symbol |
| 95 | 0x5F | 137 | 1011111 | _ | _ | Punctuation / Symbol |
| 96 | 0x60 | 140 | 1100000 | ` | ` | Punctuation / Symbol |
| 97 | 0x61 | 141 | 1100001 | a | a | Letter |
| 98 | 0x62 | 142 | 1100010 | b | b | Letter |
| 99 | 0x63 | 143 | 1100011 | c | c | Letter |
| 100 | 0x64 | 144 | 1100100 | d | d | Letter |
| 101 | 0x65 | 145 | 1100101 | e | e | Letter |
| 102 | 0x66 | 146 | 1100110 | f | f | Letter |
| 103 | 0x67 | 147 | 1100111 | g | g | Letter |
| 104 | 0x68 | 150 | 1101000 | h | h | Letter |
| 105 | 0x69 | 151 | 1101001 | i | i | Letter |
| 106 | 0x6A | 152 | 1101010 | j | j | Letter |
| 107 | 0x6B | 153 | 1101011 | k | k | Letter |
| 108 | 0x6C | 154 | 1101100 | l | l | Letter |
| 109 | 0x6D | 155 | 1101101 | m | m | Letter |
| 110 | 0x6E | 156 | 1101110 | n | n | Letter |
| 111 | 0x6F | 157 | 1101111 | o | o | Letter |
| 112 | 0x70 | 160 | 1110000 | p | p | Letter |
| 113 | 0x71 | 161 | 1110001 | q | q | Letter |
| 114 | 0x72 | 162 | 1110010 | r | r | Letter |
| 115 | 0x73 | 163 | 1110011 | s | s | Letter |
| 116 | 0x74 | 164 | 1110100 | t | t | Letter |
| 117 | 0x75 | 165 | 1110101 | u | u | Letter |
| 118 | 0x76 | 166 | 1110110 | v | v | Letter |
| 119 | 0x77 | 167 | 1110111 | w | w | Letter |
| 120 | 0x78 | 170 | 1111000 | x | x | Letter |
| 121 | 0x79 | 171 | 1111001 | y | y | Letter |
| 122 | 0x7A | 172 | 1111010 | z | z | Letter |
| 123 | 0x7B | 173 | 1111011 | { | { | Punctuation / Symbol |
| 124 | 0x7C | 174 | 1111100 | | | | | Punctuation / Symbol |
| 125 | 0x7D | 175 | 1111101 | } | } | Punctuation / Symbol |
| 126 | 0x7E | 176 | 1111110 | ~ | ~ | Punctuation / Symbol |
| 127 | 0x7F | 177 | 1111111 | · | DEL (delete) | Control |