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Tech Stuff - ASCII Table

Good old ASCII Table - we can never find one when we need it. Print it, stick it on YOUR wall and save OUR bandwidth!!

This apparently simple subject (a character code) turns out to be brutally complicated - well leastways to our modest brains. In the interests of sanity (ours) we have also produced a mercifully short character code overview.

ASCII is a 7-bit code (but encoded in an 8 bit octet) and is the US national implementation (ANSI X3.4-1986) of the IA5 character set defined in ITU-T T.50 - so there you go!

If it is not in this table it is not ASCII - there are many other extended character coding systems. MS Word, for example, typically uses CP1252 (latin - 1) among others. This page describes UCS (ISO 10646), UTF-7, 8, 16, Unicode, ISO 8859-anything and other character related stuff which you may find useful. Then again, you may not.

HTML encodings e.g. ©,™, € etc. are formed using the ASCII character set.

Char Hex Dec Name Char Hex Dec Name
NUL 00 0 Null @ 40 64 Commercial At
SOH 01 1 Start of Header A 41 65  
STX 02 2 Start of Text B 42 66  
ETX 03 3 End of Text C 43 67  
EOT 04 4 End of Transmission D 44 68  
ENQ 05 5 Enquire E 45 69  
ACK 06 6 Acknowledge F 46 70  
BEL 07 7 Bell G 47 71  
BS 08 8 Backspace H 48 72  
HT 09 9 Horizontal Tab I 49 73  
LF 0A 10 Line Feed J 4A 74  
VT 0B 11 Vertical Tab K 4B 75  
FF 0C 12 Form Feed L 4C 76  
CR 0D 13 Carriage Return M 4D 77  
SO 0E 14 Shift Out N 4E 78  
SI 0F 15 Shift In O 4F 79 Letter O
DLE 10 16 Data Link Escape P 50 80  
DC1 11 17 Device Control 1 Q 51 81 Letter Q
DC2 12 18 Device Control 2 R 52 82  
DC3 13 19 Device Control 3 S 53 83  
DC4 14 20 Device Control 4 T 54 84  
NAK 15 21 Negative Acknowledge U 55 85  
SYN 16 22 Synchronous Idle V 56 86  
ETB 17 23 End of Transmission block W 57 87  
CAN 18 24 Cancel X 58 88  
EM 19 25 End of Medium Y 59 89  
SUB 1A 26 Substitute Z 5A 90  
ESC 1B 27 Escape [ 5B 91 Open Square Bracket
FS 1C 28 File Separator \ 5C 92 Back slash
GS 1D 29 Group Separator ] 5D 93 Close Square Bracket
RS 1E 30 Record Separator ^ 5E 94 Circumflex/caret
US 1F 31 Unit Separator _ 5F 95 Underscore
SP 20 32 Space or Blank ' 60 96 Single Quote
! 21 33 Exclamation Point a 61 97  
" 22 34 Quotation Mark b 62 98  
# 23 35 Number sign (a.k.a. Pound sign or Hash) c 63 99  
$ 24 36 Dollar Sign d 64 100  
% 25 37 Percent Sign e 65 101  
& 26 38 Ampersand f 66 102  
' 27 39 Apostrophe g 67 103  
( 28 40 Opening Parenthesis h 68 104  
) 29 41 Closing Parenthesis i 69 105  
* 2A 42 Asterisk (a.k.a. Star sign) j 6A 106  
+ 2B 43 Plus Sign k 6B 107  
, 2C 44 Comma l 6C 108  
- 2D 45 Hyphen (a.k.a. Minus) m 6D 109  
. 2E 46 Dot (a.k.a. Period) n 6E 110  
/ 2F 47 Forward Slash o 6F 111 lower case o
0 30 48 Zero p 70 112  
1 31 49   q 71 113  
2 32 50   r 72 114  
3 33 51   s 73 115  
4 34 52   t 74 116  
5 35 53   u 75 117  
6 36 54   v 76 118  
7 37 55   w 77 119  
8 38 56   x 78 120  
9 39 57   y 79 121  
: 3A 58 Colon z 7A 122  
; 3B 59 Semi Colon { 7B 123 Open Brace (a.k.a. Open Curly Bracket
< 3C 60 Less Than | 7C 124 OR (a.k.a. Pipe)
= 3D 61 Equality } 7D 125 Close Brace (a.k.a. Close Curly Bracket)
> 3E 62 Greater Than ~ 7E 126 Equivalence (a.k.a. tilde)
? 3F 63 Question Mark DEL 7F 127 Delete


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