all about ascii


ASCII characters table

ASCII stands for the "American Standard Code for Information Interchange". It's a 7-bit character set containing 128 characters.

History of ASCII

It was designed in the early 60's, as a standard character-set for computers and hardware devices like teleprinters and tapedrives.

ASCII characters table

#0 Null character
DEC:0 OCT:0 HEX:0 BIN:0
HTML No.:�
#1 Start of Header
DEC:1 OCT:1 HEX:1 BIN:1
HTML No.:
#2 Start of Text
DEC:2 OCT:2 HEX:2 BIN:10
HTML No.:
#3 End of Text
DEC:3 OCT:3 HEX:3 BIN:11
HTML No.:
#4 End of Transmission
DEC:4 OCT:4 HEX:4 BIN:100
HTML No.:
#5 Enquiry
DEC:5 OCT:5 HEX:5 BIN:101
HTML No.:
#6 Acknowledgment
DEC:6 OCT:6 HEX:6 BIN:110
HTML No.:
#7 Bell
DEC:7 OCT:7 HEX:7 BIN:111
HTML No.:
#8 Backspace
DEC:8 OCT:10 HEX:8 BIN:1000
HTML No.:
#9 Horizontal Tab
DEC:9 OCT:11 HEX:9 BIN:1001
HTML No.:	
#10 Line feed
DEC:10 OCT:12 HEX:a BIN:1010
HTML No.:

#11 Vertical Tab
DEC:11 OCT:13 HEX:b BIN:1011
HTML No.:
#12 Form feed
DEC:12 OCT:14 HEX:c BIN:1100
HTML No.:
#13 Carriage return
DEC:13 OCT:15 HEX:d BIN:1101
HTML No.:
#14 Shift Out
DEC:14 OCT:16 HEX:e BIN:1110
HTML No.:
#15 Shift In
DEC:15 OCT:17 HEX:f BIN:1111
HTML No.:
#16 Data Link Escape
DEC:16 OCT:20 HEX:10 BIN:10000
HTML No.:
#17 Device Control 1
DEC:17 OCT:21 HEX:11 BIN:10001
HTML No.:
#18 Device Control 2
DEC:18 OCT:22 HEX:12 BIN:10010
HTML No.:
#19 Device Control 3
DEC:19 OCT:23 HEX:13 BIN:10011
HTML No.:
#20 Device Control 4
DEC:20 OCT:24 HEX:14 BIN:10100
HTML No.:
#21 Negative Acknowledgement
DEC:21 OCT:25 HEX:15 BIN:10101
HTML No.:
#22 Synchronous idle
DEC:22 OCT:26 HEX:16 BIN:10110
HTML No.:
#23 End of Transmission Block
DEC:23 OCT:27 HEX:17 BIN:10111
HTML No.:
#24 Cancel
DEC:24 OCT:30 HEX:18 BIN:11000
HTML No.:
#25 End of Medium
DEC:25 OCT:31 HEX:19 BIN:11001
HTML No.:
#26 Substitute
DEC:26 OCT:32 HEX:1a BIN:11010
HTML No.:
#27 Escape
DEC:27 OCT:33 HEX:1b BIN:11011
HTML No.:
#28 File Separator
DEC:28 OCT:34 HEX:1c BIN:11100
HTML No.:
#29 Group Separator
DEC:29 OCT:35 HEX:1d BIN:11101
HTML No.:
#30 Record Separator
DEC:30 OCT:36 HEX:1e BIN:11110
HTML No.:
#31 Unit Separator
DEC:31 OCT:37 HEX:1f BIN:11111
HTML No.:
#32  Space
DEC:32 OCT:40 HEX:20 BIN:100000
HTML No.:  HTML Code:&sp;
#33  !
DEC:33 OCT:41 HEX:21 BIN:100001
HTML No.:! HTML Code:!
#34  "
DEC:34 OCT:42 HEX:22 BIN:100010
HTML No.:" HTML Code:"
#35  #
DEC:35 OCT:43 HEX:23 BIN:100011
HTML No.:# HTML Code:#
#36  $
DEC:36 OCT:44 HEX:24 BIN:100100
HTML No.:$ HTML Code:$
#37  %
DEC:37 OCT:45 HEX:25 BIN:100101
HTML No.:% HTML Code:%
#38  &
DEC:38 OCT:46 HEX:26 BIN:100110
HTML No.:& HTML Code:&
#39  '
DEC:39 OCT:47 HEX:27 BIN:100111
HTML No.:' HTML Code:'
#40  (
DEC:40 OCT:50 HEX:28 BIN:101000
HTML No.:( HTML Code:(
#41  )
DEC:41 OCT:51 HEX:29 BIN:101001
HTML No.:) HTML Code:)
#42  *
DEC:42 OCT:52 HEX:2a BIN:101010
HTML No.:* HTML Code:*
#43  +
DEC:43 OCT:53 HEX:2b BIN:101011
HTML No.:+ HTML Code:+
#44  ,
DEC:44 OCT:54 HEX:2c BIN:101100
HTML No.:, HTML Code:,
#45  -
DEC:45 OCT:55 HEX:2d BIN:101101
HTML No.:- HTML Code:‐
#46  .
DEC:46 OCT:56 HEX:2e BIN:101110
HTML No.:. HTML Code:.
#47  /
DEC:47 OCT:57 HEX:2f BIN:101111
HTML No.:/ HTML Code:/
#48 number 0
DEC:48 OCT:60 HEX:30 BIN:110000
HTML No.:0
#49 number 1
DEC:49 OCT:61 HEX:31 BIN:110001
HTML No.:1
#50 number 2
DEC:50 OCT:62 HEX:32 BIN:110010
HTML No.:2
#51 number 3
DEC:51 OCT:63 HEX:33 BIN:110011
HTML No.:3
#52 number 4
DEC:52 OCT:64 HEX:34 BIN:110100
HTML No.:4
#53 number 5
DEC:53 OCT:65 HEX:35 BIN:110101
HTML No.:5
#54 number 6
DEC:54 OCT:66 HEX:36 BIN:110110
HTML No.:6
#55 number 7
DEC:55 OCT:67 HEX:37 BIN:110111
HTML No.:7
#56 number 8
DEC:56 OCT:70 HEX:38 BIN:111000
HTML No.:8
#57 number 9
DEC:57 OCT:71 HEX:39 BIN:111001
HTML No.:9
#58  :
DEC:58 OCT:72 HEX:3a BIN:111010
HTML No.:: HTML Code::
#59  ;
DEC:59 OCT:73 HEX:3b BIN:111011
HTML No.:&#059; HTML Code:;
#60  <
DEC:60 OCT:74 HEX:3c BIN:111100
HTML No.:&#060; HTML Code:&lt;
#61  =
DEC:61 OCT:75 HEX:3d BIN:111101
HTML No.:&#061; HTML Code:&equals;
#62  >
DEC:62 OCT:76 HEX:3e BIN:111110
HTML No.:&#062; HTML Code:&gt;
#63  ?
DEC:63 OCT:77 HEX:3f BIN:111111
HTML No.:&#063; HTML Code:&quest;
#64  @
DEC:64 OCT:100 HEX:40 BIN:1000000
HTML No.:&#064; HTML Code:&commat;
#65 upper-case letter A
DEC:65 OCT:101 HEX:41 BIN:1000001
HTML No.:&#065;
#66 upper-case letter B
DEC:66 OCT:102 HEX:42 BIN:1000010
HTML No.:&#066;
#67 upper-case letter C
DEC:67 OCT:103 HEX:43 BIN:1000011
HTML No.:&#067;
#68 upper-case letter D
DEC:68 OCT:104 HEX:44 BIN:1000100
HTML No.:&#068;
#69 upper-case letter E
DEC:69 OCT:105 HEX:45 BIN:1000101
HTML No.:&#069;
#70 upper-case letter F
DEC:70 OCT:106 HEX:46 BIN:1000110
HTML No.:&#070;
#71 upper-case letter G
DEC:71 OCT:107 HEX:47 BIN:1000111
HTML No.:&#071;
#72 upper-case letter H
DEC:72 OCT:110 HEX:48 BIN:1001000
HTML No.:&#072;
#73 upper-case letter I
DEC:73 OCT:111 HEX:49 BIN:1001001
HTML No.:&#073;
#74 upper-case letter J
DEC:74 OCT:112 HEX:4a BIN:1001010
HTML No.:&#074;
#75 upper-case letter K
DEC:75 OCT:113 HEX:4b BIN:1001011
HTML No.:&#075;
#76 upper-case letter L
DEC:76 OCT:114 HEX:4c BIN:1001100
HTML No.:&#076;
#77 upper-case letter M
DEC:77 OCT:115 HEX:4d BIN:1001101
HTML No.:&#077;
#78 upper-case letter N
DEC:78 OCT:116 HEX:4e BIN:1001110
HTML No.:&#078;
#79 upper-case letter O
DEC:79 OCT:117 HEX:4f BIN:1001111
HTML No.:&#079;
#80 upper-case letter P
DEC:80 OCT:120 HEX:50 BIN:1010000
HTML No.:&#080;
#81 upper-case letter Q
DEC:81 OCT:121 HEX:51 BIN:1010001
HTML No.:&#081;
#82 upper-case letter R
DEC:82 OCT:122 HEX:52 BIN:1010010
HTML No.:&#082;
#83 upper-case letter S
DEC:83 OCT:123 HEX:53 BIN:1010011
HTML No.:&#083;
#84 upper-case letter T
DEC:84 OCT:124 HEX:54 BIN:1010100
HTML No.:&#084;
#85 upper-case letter U
DEC:85 OCT:125 HEX:55 BIN:1010101
HTML No.:&#085;
#86 upper-case letter V
DEC:86 OCT:126 HEX:56 BIN:1010110
HTML No.:&#086;
#87 upper-case letter W
DEC:87 OCT:127 HEX:57 BIN:1010111
HTML No.:&#087;
#88 upper-case letter X
DEC:88 OCT:130 HEX:58 BIN:1011000
HTML No.:&#088;
#89 upper-case letter Y
DEC:89 OCT:131 HEX:59 BIN:1011001
HTML No.:&#089;
#90 upper-case letter Z
DEC:90 OCT:132 HEX:5a BIN:1011010
HTML No.:&#090;
#91  [
DEC:91 OCT:133 HEX:5b BIN:1011011
HTML No.:&#091; HTML Code:&lsqb;
#92  \
DEC:92 OCT:134 HEX:5c BIN:1011100
HTML No.:&#092; HTML Code:&bsol;
#93  ]
DEC:93 OCT:135 HEX:5d BIN:1011101
HTML No.:&#093; HTML Code:&rsqb;
#94  ^
DEC:94 OCT:136 HEX:5e BIN:1011110
HTML No.:&#094; HTML Code:&circ;
#95  _
DEC:95 OCT:137 HEX:5f BIN:1011111
HTML No.:&#095; HTML Code:&grave;
#96  `
DEC:96 OCT:140 HEX:60 BIN:1100000
HTML No.:&#096;
#97 lower-case letter a
DEC:97 OCT:141 HEX:61 BIN:1100001
HTML No.:&#097;
#98 lower-case letter b
DEC:98 OCT:142 HEX:62 BIN:1100010
HTML No.:&#098;
#99 lower-case letter c
DEC:99 OCT:143 HEX:63 BIN:1100011
HTML No.:&#099;
#100 lower-case letter d
DEC:100 OCT:144 HEX:64 BIN:1100100
HTML No.:&#100;
#101 lower-case letter e
DEC:101 OCT:145 HEX:65 BIN:1100101
HTML No.:&#101;
#102 lower-case letter f
DEC:102 OCT:146 HEX:66 BIN:1100110
HTML No.:&#102;
#103 lower-case letter g
DEC:103 OCT:147 HEX:67 BIN:1100111
HTML No.:&#103;
#104 lower-case letter h
DEC:104 OCT:150 HEX:68 BIN:1101000
HTML No.:&#104;
#105 lower-case letter i
DEC:105 OCT:151 HEX:69 BIN:1101001
HTML No.:&#105;
#106 lower-case letter j
DEC:106 OCT:152 HEX:6a BIN:1101010
HTML No.:&#106;
#107 lower-case letter k
DEC:107 OCT:153 HEX:6b BIN:1101011
HTML No.:&#107;
#108 lower-case letter l
DEC:108 OCT:154 HEX:6c BIN:1101100
HTML No.:&#108;
#109 lower-case letter m
DEC:109 OCT:155 HEX:6d BIN:1101101
HTML No.:&#109;
#110 lower-case letter n
DEC:110 OCT:156 HEX:6e BIN:1101110
HTML No.:&#110;
#111 lower-case letter o
DEC:111 OCT:157 HEX:6f BIN:1101111
HTML No.:&#111;
#112 lower-case letter p
DEC:112 OCT:160 HEX:70 BIN:1110000
HTML No.:&#112;
#113 lower-case letter q
DEC:113 OCT:161 HEX:71 BIN:1110001
HTML No.:&#113;
#114 lower-case letter r
DEC:114 OCT:162 HEX:72 BIN:1110010
HTML No.:&#114;
#115 lower-case letter s
DEC:115 OCT:163 HEX:73 BIN:1110011
HTML No.:&#115;
#116 lower-case letter t
DEC:116 OCT:164 HEX:74 BIN:1110100
HTML No.:&#116;
#117 lower-case letter u
DEC:117 OCT:165 HEX:75 BIN:1110101
HTML No.:&#117;
#118 lower-case letter v
DEC:118 OCT:166 HEX:76 BIN:1110110
HTML No.:&#118;
#119 lower-case letter w
DEC:119 OCT:167 HEX:77 BIN:1110111
HTML No.:&#119;
#120 lower-case letter x
DEC:120 OCT:170 HEX:78 BIN:1111000
HTML No.:&#120;
#121 lower-case letter y
DEC:121 OCT:171 HEX:79 BIN:1111001
HTML No.:&#121;
#122 lower-case letter z
DEC:122 OCT:172 HEX:7a BIN:1111010
HTML No.:&#122;
#123  {
DEC:123 OCT:173 HEX:7b BIN:1111011
HTML No.:&#123; HTML Code:&lcub;
#124  |
DEC:124 OCT:174 HEX:7c BIN:1111100
HTML No.:&#124; HTML Code:&verbar;
#125  }
DEC:125 OCT:175 HEX:7d BIN:1111101
HTML No.:&#125; HTML Code:&rcub;
#126  ~
DEC:126 OCT:176 HEX:7e BIN:1111110
HTML No.:&#126; HTML Code:&tilde;
#127 Delete
DEC:127 OCT:177 HEX:7f BIN:1111111
HTML No.:&#127;