ASCII Table
A searchable reference of all 128 ASCII characters with their decimal, hexadecimal, octal, and binary codes, including control character names.
| Char | Dec | Hex | Oct | Bin |
|---|---|---|---|---|
| NUL | 0 | 00 | 000 | 00000000 |
| SOH | 1 | 01 | 001 | 00000001 |
| STX | 2 | 02 | 002 | 00000010 |
| ETX | 3 | 03 | 003 | 00000011 |
| EOT | 4 | 04 | 004 | 00000100 |
| ENQ | 5 | 05 | 005 | 00000101 |
| ACK | 6 | 06 | 006 | 00000110 |
| BEL | 7 | 07 | 007 | 00000111 |
| BS | 8 | 08 | 010 | 00001000 |
| TAB | 9 | 09 | 011 | 00001001 |
| LF | 10 | 0A | 012 | 00001010 |
| VT | 11 | 0B | 013 | 00001011 |
| FF | 12 | 0C | 014 | 00001100 |
| CR | 13 | 0D | 015 | 00001101 |
| SO | 14 | 0E | 016 | 00001110 |
| SI | 15 | 0F | 017 | 00001111 |
| DLE | 16 | 10 | 020 | 00010000 |
| DC1 | 17 | 11 | 021 | 00010001 |
| DC2 | 18 | 12 | 022 | 00010010 |
| DC3 | 19 | 13 | 023 | 00010011 |
| DC4 | 20 | 14 | 024 | 00010100 |
| NAK | 21 | 15 | 025 | 00010101 |
| SYN | 22 | 16 | 026 | 00010110 |
| ETB | 23 | 17 | 027 | 00010111 |
| CAN | 24 | 18 | 030 | 00011000 |
| EM | 25 | 19 | 031 | 00011001 |
| SUB | 26 | 1A | 032 | 00011010 |
| ESC | 27 | 1B | 033 | 00011011 |
| FS | 28 | 1C | 034 | 00011100 |
| GS | 29 | 1D | 035 | 00011101 |
| RS | 30 | 1E | 036 | 00011110 |
| US | 31 | 1F | 037 | 00011111 |
| (space) | 32 | 20 | 040 | 00100000 |
| ! | 33 | 21 | 041 | 00100001 |
| " | 34 | 22 | 042 | 00100010 |
| # | 35 | 23 | 043 | 00100011 |
| $ | 36 | 24 | 044 | 00100100 |
| % | 37 | 25 | 045 | 00100101 |
| & | 38 | 26 | 046 | 00100110 |
| ' | 39 | 27 | 047 | 00100111 |
| ( | 40 | 28 | 050 | 00101000 |
| ) | 41 | 29 | 051 | 00101001 |
| * | 42 | 2A | 052 | 00101010 |
| + | 43 | 2B | 053 | 00101011 |
| , | 44 | 2C | 054 | 00101100 |
| - | 45 | 2D | 055 | 00101101 |
| . | 46 | 2E | 056 | 00101110 |
| / | 47 | 2F | 057 | 00101111 |
| 0 | 48 | 30 | 060 | 00110000 |
| 1 | 49 | 31 | 061 | 00110001 |
| 2 | 50 | 32 | 062 | 00110010 |
| 3 | 51 | 33 | 063 | 00110011 |
| 4 | 52 | 34 | 064 | 00110100 |
| 5 | 53 | 35 | 065 | 00110101 |
| 6 | 54 | 36 | 066 | 00110110 |
| 7 | 55 | 37 | 067 | 00110111 |
| 8 | 56 | 38 | 070 | 00111000 |
| 9 | 57 | 39 | 071 | 00111001 |
| : | 58 | 3A | 072 | 00111010 |
| ; | 59 | 3B | 073 | 00111011 |
| < | 60 | 3C | 074 | 00111100 |
| = | 61 | 3D | 075 | 00111101 |
| > | 62 | 3E | 076 | 00111110 |
| ? | 63 | 3F | 077 | 00111111 |
| @ | 64 | 40 | 100 | 01000000 |
| A | 65 | 41 | 101 | 01000001 |
| B | 66 | 42 | 102 | 01000010 |
| C | 67 | 43 | 103 | 01000011 |
| D | 68 | 44 | 104 | 01000100 |
| E | 69 | 45 | 105 | 01000101 |
| F | 70 | 46 | 106 | 01000110 |
| G | 71 | 47 | 107 | 01000111 |
| H | 72 | 48 | 110 | 01001000 |
| I | 73 | 49 | 111 | 01001001 |
| J | 74 | 4A | 112 | 01001010 |
| K | 75 | 4B | 113 | 01001011 |
| L | 76 | 4C | 114 | 01001100 |
| M | 77 | 4D | 115 | 01001101 |
| N | 78 | 4E | 116 | 01001110 |
| O | 79 | 4F | 117 | 01001111 |
| P | 80 | 50 | 120 | 01010000 |
| Q | 81 | 51 | 121 | 01010001 |
| R | 82 | 52 | 122 | 01010010 |
| S | 83 | 53 | 123 | 01010011 |
| T | 84 | 54 | 124 | 01010100 |
| U | 85 | 55 | 125 | 01010101 |
| V | 86 | 56 | 126 | 01010110 |
| W | 87 | 57 | 127 | 01010111 |
| X | 88 | 58 | 130 | 01011000 |
| Y | 89 | 59 | 131 | 01011001 |
| Z | 90 | 5A | 132 | 01011010 |
| [ | 91 | 5B | 133 | 01011011 |
| \ | 92 | 5C | 134 | 01011100 |
| ] | 93 | 5D | 135 | 01011101 |
| ^ | 94 | 5E | 136 | 01011110 |
| _ | 95 | 5F | 137 | 01011111 |
| ` | 96 | 60 | 140 | 01100000 |
| a | 97 | 61 | 141 | 01100001 |
| b | 98 | 62 | 142 | 01100010 |
| c | 99 | 63 | 143 | 01100011 |
| d | 100 | 64 | 144 | 01100100 |
| e | 101 | 65 | 145 | 01100101 |
| f | 102 | 66 | 146 | 01100110 |
| g | 103 | 67 | 147 | 01100111 |
| h | 104 | 68 | 150 | 01101000 |
| i | 105 | 69 | 151 | 01101001 |
| j | 106 | 6A | 152 | 01101010 |
| k | 107 | 6B | 153 | 01101011 |
| l | 108 | 6C | 154 | 01101100 |
| m | 109 | 6D | 155 | 01101101 |
| n | 110 | 6E | 156 | 01101110 |
| o | 111 | 6F | 157 | 01101111 |
| p | 112 | 70 | 160 | 01110000 |
| q | 113 | 71 | 161 | 01110001 |
| r | 114 | 72 | 162 | 01110010 |
| s | 115 | 73 | 163 | 01110011 |
| t | 116 | 74 | 164 | 01110100 |
| u | 117 | 75 | 165 | 01110101 |
| v | 118 | 76 | 166 | 01110110 |
| w | 119 | 77 | 167 | 01110111 |
| x | 120 | 78 | 170 | 01111000 |
| y | 121 | 79 | 171 | 01111001 |
| z | 122 | 7A | 172 | 01111010 |
| { | 123 | 7B | 173 | 01111011 |
| | | 124 | 7C | 174 | 01111100 |
| } | 125 | 7D | 175 | 01111101 |
| ~ | 126 | 7E | 176 | 01111110 |
| DEL | 127 | 7F | 177 | 01111111 |
ASCII Table — Free Online Tool
A searchable reference of all 128 ASCII characters with their decimal, hexadecimal, octal, and binary codes, including control character names.
How to use the ASCII Table
- Open the tool above — it runs entirely in your browser, so your input never leaves this page.
- Paste or type your input into the field, then press the relevant button (e.g. Encode / Decode, Generate, or Convert).
- Copy the result from the output area with the copy button orCtrl/Cmd + C.
- No signup, no upload, and no tracking — repeat as often as you need.
Frequently asked questions
Is the ASCII Table free to use?
Yes. The ASCII Table is completely free, with no signup, no ads inside the tool, and no hidden limits.
Does the ASCII Table upload my data?
No. The ASCII Table processes everything locally in your browser. Your input is never sent to a server, so it stays private even on shared devices.
Does the ASCII Table work offline?
After the page loads, the ASCII Table runs entirely in your browser, so it keeps working without a network connection.
Free & private — why use this ASCII Table
The ASCII Table runs 100% client-side in your browser. Your data is never uploaded to a server, no account is required, and the tool is completely free. It works offline once the page has loaded and is part of a growing collection of privacy-first developer utilities.