Seven Bit Standard ASCII codes

for meanings of control characters (codes 0-31), see below.

In these tables, a two character sequence beginning with ^ represents a control character; e.g. ^X means control-X.


Decimal ASCII Table

__0 __1 __2 __3 __4 __5 __6 __7 __8 __9
_
^@
^A
^B
^C
^D
^E
^F
^G
^H
^I
1_
^J
^K
^L
^M
^N
^O
^P
^Q
^R
^S
2_
^T
^U
^V
^W
^X
^Y
^Z
^[
^\
^]
3_
^^
^_
 
!
"
#
&
%
$
'
4_
(
)
*
+
,
-
.
/
0
1
5_
2
3
4
5
6
7
8
9
:
;
6_
<
=
>
?
@
A
B
C
D
E
7_
F
G
H
I
J
K
L
M
N
O
8_
P
Q
R
S
T
U
V
W
X
Y
9_
Z
[
\
]
^
_
`
a
b
c
10_
d
e
f
g
h
i
j
k
l
m
11_
n
o
p
q
r
s
t
u
v
w
12_
x
y
z
{
|
}
~



Hexadecimal ASCII Table

__0 __1 __2 __3 __4 __5 __6 __7 __8 __9 __A __B __C __D __E __F
0__
^@
^A
^B
^C
^D
^E
^F
^G
^H
^I
^J
^K
^L
^M
^N
^O
1__
^P
^Q
^R
^S
^T
^U
^V
^W
^X
^Y
^Z
^[
^\
^]
^^
^_
2__
 
!
"
#
&
%
$
'
(
)
*
+
,
-
.
/
3__
0
1
2
3
4
5
6
7
8
9
:
;
<
=
>
?
4__
@
A
B
C
D
E
F
G
H
I
J
K
L
M
N
O
5__
P
Q
R
S
T
U
V
W
X
Y
Z
[
\
]
^
_
6__
`
a
b
c
d
e
f
g
h
i
j
k
l
m
n
o
7__
p
q
r
s
t
u
v
w
x
y
z
{
|
}
~



Octal ASCII Table

__0 __1 __2 __3 __4 __5 __6 __7
00_
^@
^A
^B
^C
^D
^E
^F
^G
01_
^H
^I
^J
^K
^L
^M
^N
^O
02_
^P
^Q
^R
^S
^T
^U
^V
^W
03_
^X
^Y
^Z
^[
^\
^]
^^
^_
04_
 
!
"
#
&
%
$
'
05_
(
)
*
+
,
-
.
/
06_
0
1
2
3
4
5
6
7
07_
8
9
:
;
<
=
>
?
10_
@
A
B
C
D
E
F
G
11_
H
I
J
K
L
M
N
O
12_
P
Q
R
S
T
U
V
W
13_
X
Y
Z
[
\
]
^
_
14_
`
a
b
c
d
e
f
g
15_
h
i
j
k
l
m
n
o
16_
p
q
r
s
t
u
v
w
17_
x
y
z
{
|
}
~


Invisible (or Non-Printing) Characters

Dec
Hex
Oct
char
name
 meaning
0
00
000
^@
NUL
 Null character
(C: end of string)
1
01
001
^A
SOH
 Start of Heading
(Alt: wake up!)
(Alt: beginning of line)
2
02
002
^B
STX
 Start of Text
(VMS: toggle insert/overstrike)
3
03
003
^C
ETX
 End of Text
(Most systems: user interrupt)
4
04
004
^D
EOT
 End of Transmission
(Unix C shell: end of file)
5
05
005
^E
ENQ
 Enquiry
(Alt: end of line)
6
06
006
^F
ACK
 Acknowledgement
7
07
007
^G
BEL
 Audible Bell or Alarm
8
08
010
^H
BS
 Backspace
(Old Cursor Control: move left)
9
09
011
^I
HT
 Horizontal Tab
10
0A
012
^J
LF
 Line Feed
(Old Cursor Control: move down)
(Unix: end of line)
11
0B
013
^K
VT
 Vertical Tab
(Old Cursor Control: move up)
12
0C
014
^L
FF
 Form Feed
(Old Cursor Control: move right)
13
0D
015
^M
CR
 Carriage Return
(Non-Unix: end of line = CR+LF)
14
0E
016
^N
SO
 Shift Out
15
0F
017
^O
SI
 Shift In
(Some systems: toggle display/discard terminal output)
16
10
020
^P
DLE
 Data Link Escape
17
11
021
^Q
XON or DC1
 Device Control 1: Resume Transmission
18
12
022
^R
DC2
 Device Control 2
(VMS: refresh/redraw screen)
19
13
023
^S
XOF or DC3
 Device Control 3: Suspend Transmission
20
14
024
^T
DC4
 Device Control 4
(Traditional esp. VMS: display process stats)
21
15
025
^U
NAK
 Negative Acknowledgement
(Most Systems: discard input line)
22
16
026
^V
SYN
 Synchronous Idle
23
17
027
^W
ETB
 End of Transmission Block
24
18
030
^X
CAN
 Cancel
(Old: discard input line)
25
19
031
^Y
EM
 End of Medium
(VMS: stronger user interrupt)
26
1A
032
^Z
SUB
 Substitute
(VMS and Unix Bourne Shell: end of file)
(Unix C Shell: suspend current process)
27
1B
033
^[
ESC
 Escape
(Modern Terminals: introduces complex control sequence)
28
1C
034
^\
FS
 File Separator
29
1D
035
^]
GS
 Group Separator
30
1E
036
^^
RS
 Record Separator
31
1F
037
^_
US
 Unit Separator
32
20
040
 
SPA
 Space
127
7F
177
 
DEL
 Delete