ASCII control characters (character code 0-31)
The first 32 characters in the ASCII-table are unprintable control codes
DEC
OCT
HEX
Symbol
Description
0
000
00
NUL
Null char
1
001
01
SOH
Start of Heading
2
002
02
STX
Start of Text
3
003
03
ETX
End of Text
4
004
04
EOT
End of Transmission
5
005
05
ENQ
Enquiry
6
006
06
ACK
Acknowledgment
7
007
07
BEL
Bell
8
010
08
BS
Back Space
9
011
09
HT
Horizontal Tab
10
012
0A
LF
Line Feed
11
013
0B
VT
Vertical Tab
12
014
0C
FF
Form Feed
13
015
0D
CR
Carriage Return
14
016
0E
SO
Shift Out / X-On
15
017
0F
SI
Shift In / X-Off
16
020
10
DLE
Data Line Escape
17
021
11
DC1
Device Control 1 (oft. XON)
18
022
12
DC2
Device Control 2
19
023
13
DC3
Device Control 3 (oft. XOFF)
20
024
14
DC4
Device Control 4
21
025
15
NAK
Negative Acknowledgement
22
026
16
SYN
Synchronous Idle
23
027
17
ETB
End of Transmit Block
24
030
18
CAN
Cancel
25
031
19
EM
End of Medium
26
032
1A
SUB
Substitute
27
033
1B
ESC
Escape
28
034
1C
FS
File Separator
29
035
1D
GS
Group Separator
30
036
1E
RS
Record Separator
31
037
1F
US
Unit Separator
ASCII printable characters (character code 32-127)
Codes 32-127 are called printable characters, represent letters, digits, punctuation marks, and miscellaneous symbols.
DEC
OCT
HEX
Symbol
Description
32
040
20
Space
33
041
21
!
Exclamation mark
34
042
22
“
Double quotes (or speech marks)
35
043
23
#
Number
36
044
24
$
Dollar
37
045
25
%
Procenttecken
38
046
26
&
Ampersand
39
047
27
‘
Single quote
40
050
28
(
Open parenthesis (or open bracket)
41
051
29
)
Close parenthesis (or close bracket)
42
052
2A
*
Asterisk
43
053
2B
+
Plus
44
054
2C
,
Comma
45
055
2D
–
Hyphen
46
056
2E
.
Period, dot or full stop
47
057
2F
/
Slash or divide
48
060
30
0
Zero
49
061
31
1
One
50
062
32
2
Two
51
063
33
3
Three
52
064
34
4
Four
53
065
35
5
Five
54
066
36
6
Six
55
067
37
7
Seven
56
070
38
8
Eight
57
071
39
9
Nine
58
072
3A
:
Colon
59
073
3B
;
Semicolon
60
074
3C
<
Less than (or open angled bracket)
61
075
3D
=
Equals
62
076
3E
>
Greater than (or close angled bracket)
63
077
3F
?
Question mark
64
100
40
@
At symbol
65
101
41
A
Uppercase A
66
102
42
B
Uppercase B
67
103
43
C
Uppercase C
68
104
44
D
Uppercase D
69
105
45
E
Uppercase E
70
106
46
F
Uppercase F
71
107
47
G
Uppercase G
72
110
48
H
Uppercase H
73
111
49
I
Uppercase I
74
112
4A
J
Uppercase J
75
113
4B
K
Uppercase K
76
114
4C
L
Uppercase L
77
115
4D
M
Uppercase M
78
116
4E
N
Uppercase N
79
117
4F
O
Uppercase O
80
120
50
P
Uppercase P
81
121
51
Q
Uppercase Q
82
122
52
R
Uppercase R
83
123
53
S
Uppercase S
84
124
54
T
Uppercase T
85
125
55
U
Uppercase U
86
126
56
V
Uppercase V
87
127
57
W
Uppercase W
88
130
58
X
Uppercase X
89
131
59
Y
Uppercase Y
90
132
5A
Z
Uppercase Z
91
133
5B
[
Opening bracket
92
134
5C
\
Backslash
93
135
5D
]
Closing bracket
94
136
5E
^
Caret – circumflex
95
137
5F
_
Underscore
96
140
60
`
Grave accent
97
141
61
a
Lowercase a
98
142
62
b
Lowercase b
99
143
63
c
Lowercase c
100
144
64
d
Lowercase d
101
145
65
e
Lowercase e
102
146
66
f
Lowercase f
103
147
67
g
Lowercase g
104
150
68
h
Lowercase h
105
151
69
i
Lowercase i
106
152
6A
j
Lowercase j
107
153
6B
k
Lowercase k
108
154
6C
l
Lowercase l
109
155
6D
m
Lowercase m
110
156
6E
n
Lowercase n
111
157
6F
o
Lowercase o
112
160
70
p
Lowercase p
113
161
71
q
Lowercase q
114
162
72
r
Lowercase r
115
163
73
s
Lowercase s
116
164
74
t
Lowercase t
117
165
75
u
Lowercase u
118
166
76
v
Lowercase v
119
167
77
w
Lowercase w
120
170
78
x
Lowercase x
121
171
79
y
Lowercase y
122
172
7A
z
Lowercase z
123
173
7B
{
Opening brace
124
174
7C
|
Vertical bar
125
175
7D
}
Closing brace
126
176
7E
~
Equivalency sign – tilde
127
177
7F
Delete
Extended ASCII codes (character code 128-255)
Codes 129-159 contain the Microsoft Windows extended characters.
DEC
OCT
HEX
Symbol
Description
128
200
80
€
Euro sign
129
201
81
130
202
82
‚
Single low-9 quotation mark
131
203
83
ƒ
Latin small letter f with hook
132
204
84
„
Double low-9 quotation mark
133
205
85
…
Horizontal ellipsis
134
206
86
†
Dagger
135
207
87
‡
Double dagger
136
210
88
ˆ
Modifier letter circumflex accent
137
211
89
‰
Per mille sign
138
212
8A
Š
Latin capital letter S with caron
139
213
8B
‹
Single left-pointing angle quotation
140
214
8C
Œ
Latin capital ligature OE
141
215
8D
142
216
8E
Ž
Latin captial letter Z with caron
143
217
8F
144
220
90
145
221
91
‘
Left single quotation mark
146
222
92
’
Right single quotation mark
147
223
93
“
Left double quotation mark
148
224
94
”
Right double quotation mark
149
225
95
•
Bullet
150
226
96
–
En dash
151
227
97
—
Em dash
152
230
98
˜
Small tilde
153
231
99
™
Trade mark sign
154
232
9A
š
Latin small letter S with caron
155
233
9B
›
Single right-pointing angle quotation mark
156
234
9C
œ
Latin small ligature oe
157
235
9D
158
236
9E
ž
Latin small letter z with caron
159
237
9F
Ÿ
Latin capital letter Y with diaeresis
160
240
A0
Non-breaking space
161
241
A1
¡
Inverted exclamation mark
162
242
A2
¢
Cent sign
163
243
A3
£
Pound sign
164
244
A4
¤
Currency sign
165
245
A5
¥
Yen sign
166
246
A6
¦
Pipe, Broken vertical bar
167
247
A7
§
Section sign
168
250
A8
¨
Spacing diaeresis – umlaut
169
251
A9
©
Copyright sign
170
252
AA
ª
Feminine ordinal indicator
171
253
AB
«
Left double angle quotes
172
254
AC
¬
Not sign
173
255
AD
Soft hyphen
174
256
AE
®
Registered trade mark sign
175
257
AF
¯
Spacing macron – overline
176
260
B0
°
Degree sign
177
261
B1
±
Plus-or-minus sign
178
262
B2
²
Superscript two – squared
179
263
B3
³
Superscript three – cubed
180
264
B4
´
Acute accent – spacing acute
181
265
B5
µ
Micro sign
182
266
B6
¶
Pilcrow sign – paragraph sign
183
267
B7
·
Middle dot – Georgian comma
184
270
B8
¸
Spacing cedilla
185
271
B9
¹
Superscript one
186
272
BA
º
Masculine ordinal indicator
187
273
BB
»
Right double angle quotes
188
274
BC
¼
Fraction one quarter
189
275
BD
½
Fraction one half
190
276
BE
¾
Fraction three quarters
191
277
BF
¿
Inverted question mark
192
300
C0
À
Latin capital letter A with grave
193
301
C1
Á
Latin capital letter A with acute
194
302
C2
Â
Latin capital letter A with circumflex
195
303
C3
Ã
Latin capital letter A with tilde
196
304
C4
Ä
Latin capital letter A with diaeresis
197
305
C5
Å
Latin capital letter A with ring above
198
306
C6
Æ
Latin capital letter AE
199
307
C7
Ç
Latin capital letter C with cedilla
200
310
C8
È
Latin capital letter E with grave
201
311
C9
É
Latin capital letter E with acute
202
312
CA
Ê
Latin capital letter E with circumflex
203
313
CB
Ë
Latin capital letter E with diaeresis
204
314
CC
Ì
Latin capital letter I with grave
205
315
CD
Í
Latin capital letter I with acute
206
316
CE
Î
Latin capital letter I with circumflex
207
317
CF
Ï
Latin capital letter I with diaeresis
208
320
D0
Ð
Latin capital letter ETH
209
321
D1
Ñ
Latin capital letter N with tilde
210
322
D2
Ò
Latin capital letter O with grave
211
323
D3
Ó
Latin capital letter O with acute
212
324
D4
Ô
Latin capital letter O with circumflex
213
325
D5
Õ
Latin capital letter O with tilde
214
326
D6
Ö
Latin capital letter O with diaeresis
215
327
D7
×
Multiplication sign
216
330
D8
Ø
Latin capital letter O with slash
217
331
D9
Ù
Latin capital letter U with grave
218
332
DA
Ú
Latin capital letter U with acute
219
333
DB
Û
Latin capital letter U with circumflex
220
334
DC
Ü
Latin capital letter U with diaeresis
221
335
DD
Ý
Latin capital letter Y with acute
222
336
DE
Þ
Latin capital letter THORN
223
337
DF
ß
Latin small letter sharp s – ess-zed
224
340
E0
à
Latin small letter a with grave
225
341
E1
á
Latin small letter a with acute
226
342
E2
â
Latin small letter a with circumflex
227
343
E3
ã
Latin small letter a with tilde
228
344
E4
ä
Latin small letter a with diaeresis
229
345
E5
å
Latin small letter a with ring above
230
346
E6
æ
Latin small letter ae
231
347
E7
ç
Latin small letter c with cedilla
232
350
E8
è
Latin small letter e with grave
233
351
E9
é
Latin small letter e with acute
234
352
EA
ê
Latin small letter e with circumflex
235
353
EB
ë
Latin small letter e with diaeresis
236
354
EC
ì
Latin small letter i with grave
237
355
ED
í
Latin small letter i with acute
238
356
EE
î
Latin small letter i with circumflex
239
357
EF
ï
Latin small letter i with diaeresis
240
360
F0
ð
Latin small letter eth
241
361
F1
ñ
Latin small letter n with tilde
242
362
F2
ò
Latin small letter o with grave
243
363
F3
ó
Latin small letter o with acute
244
364
F4
ô
Latin small letter o with circumflex
245
365
F5
õ
Latin small letter o with tilde
246
366
F6
ö
Latin small letter o with diaeresis
247
367
F7
÷
Division sign
248
370
F8
ø
Latin small letter o with slash
249
371
F9
ù
Latin small letter u with grave
250
372
FA
ú
Latin small letter u with acute
251
373
FB
û
Latin small letter u with circumflex
252
374
FC
ü
Latin small letter u with diaeresis
253
375
FD
ý
Latin small letter y with acute
254
376
FE
þ
Latin small letter thorn
255
377
FF
ÿ
Latin small letter y with diaeresis