HTML and XHTML uses standard 7-BIT ASCII when transmitting data over the Web. 7-BIT ASCII represents 128 different character values (0-127).
7-BIT Printable ASCII Characters
Result
Description
Entity Number
space
 
!
exclamation mark
!
"
quotation mark
"
#
number sign
#
$
dollar sign
$
%
percent sign
%
&
ampersand
&
'
apostrophe
'
(
left parenthesis
(
)
right parenthesis
)
*
asterisk
*
+
plus sign
+
,
comma
,
-
hyphen
-
.
period
.
/
slash
/
0
digit 0
0
1
digit 1
1
2
digit 2
2
3
digit 3
3
4
digit 4
4
5
digit 5
5
6
digit 6
6
7
digit 7
7
8
digit 8
8
9
digit 9
9
:
colon
:
;
semicolon
;
<
less-than
<
=
equals-to
=
>
greater-than
>
?
question mark
?
@
at sign
@
A
uppercase A
A
B
uppercase B
B
C
uppercase C
C
D
uppercase D
D
E
uppercase E
E
F
uppercase F
F
G
uppercase G
G
H
uppercase H
H
I
uppercase I
I
J
uppercase J
J
K
uppercase K
K
L
uppercase L
L
M
uppercase M
M
N
uppercase N
N
O
uppercase O
O
P
uppercase P
P
Q
uppercase Q
Q
R
uppercase R
R
S
uppercase S
S
T
uppercase T
T
U
uppercase U
U
V
uppercase V
V
W
uppercase W
W
X
uppercase X
X
Y
uppercase Y
Y
Z
uppercase Z
Z
[
left square bracket
[
\
backslash
\
]
right square bracket
]
^
caret
^
_
underscore
_
`
grave accent
`
a
lowercase a
a
b
lowercase b
b
c
lowercase c
c
d
lowercase d
d
e
lowercase e
e
f
lowercase f
f
g
lowercase g
g
h
lowercase h
h
i
lowercase i
i
j
lowercase j
j
k
lowercase k
k
l
lowercase l
l
m
lowercase m
m
n
lowercase n
n
o
lowercase o
o
p
lowercase p
p
q
lowercase q
q
r
lowercase r
r
s
lowercase s
s
t
lowercase t
t
u
lowercase u
u
v
lowercase v
v
w
lowercase w
w
x
lowercase x
x
y
lowercase y
y
z
lowercase z
z
{
left curly brace
{
|
vertical bar
|
}
right curly brace
}
~
tilde
~
7-BIT ASCII Device Control Characters
ASCII device control characters were originally designed to control hardware devices like printers and tape drives. These characters have nothing to do inside any HTML document.
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