HTML URL Encoding Reference



URL - Uniform Resource Locator

Web browsers request pages from web servers by using a URL.

The URL is the address of a web page,

URL Encoding (Percent Encoding)

URL encoding converts characters into a format that can be transmitted over the Internet.

URLs can only be sent over the Internet using the ASCII character-set.

Since URLs often contain characters outside the ASCII set, the URL has to be converted into a valid ASCII format.

URL encoding replaces unsafe ASCII characters with a "%" followed by two hexadecimal digits.

URLs cannot contain spaces. URL encoding normally replaces a space with a plus (+) sign or with %20.

Try It Yourself

If you click the "Submit" button below, the browser will URL encode the input before it is sent to the server. A page at the server will display the received input.

 

Try some other input and click Submit again.

URL Encoding Functions

In JavaScript, PHP, and ASP there are functions that can be used to URL encode a string.

PHP has the rawurlencode() function, and ASP has the Server.URLEncode() function.

In JavaScript you can use the encodeURIComponent() function.

Click the "URL Encode" button to see how the JavaScript function encodes the text.

 

Note: The JavaScript function encodes space as %20.

ASCII Encoding Reference

Your browser will encode input, according to the character-set used in your page.

The default character-set in HTML5 is UTF-8.

CharacterFrom Windows-1252From UTF-8
space%20%20
!%21%21
"%22%22
#%23%23
$%24%24
%%25%25
&%26%26
'%27%27
(%28%28
)%29%29
*%2A%2A
+%2B%2B
,%2C%2C
-%2D%2D
.%2E%2E
/%2F%2F
0%30%30
1%31%31
2%32%32
3%33%33
4%34%34
5%35%35
6%36%36
7%37%37
8%38%38
9%39%39
:%3A%3A
;%3B%3B
<%3C%3C
=%3D%3D
>%3E%3E
?%3F%3F
@%40%40
A%41%41
B%42%42
C%43%43
D%44%44
E%45%45
F%46%46
G%47%47
H%48%48
I%49%49
J%4A%4A
K%4B%4B
L%4C%4C
M%4D%4D
N%4E%4E
O%4F%4F
P%50%50
Q%51%51
R%52%52
S%53%53
T%54%54
U%55%55
V%56%56
W%57%57
X%58%58
Y%59%59
Z%5A%5A
[%5B%5B
\%5C%5C
]%5D%5D
^%5E%5E
_%5F%5F
`%60%60
a%61%61
b%62%62
c%63%63
d%64%64
e%65%65
f%66%66
g%67%67
h%68%68
i%69%69
j%6A%6A
k%6B%6B
l%6C%6C
m%6D%6D
n%6E%6E
o%6F%6F
p%70%70
q%71%71
r%72%72
s%73%73
t%74%74
u%75%75
v%76%76
w%77%77
x%78%78
y%79%79
z%7A%7A
{%7B%7B
|%7C%7C
}%7D%7D
~%7E%7E
 %7F%7F
`%80%E2%82%AC
%81%81
‚%82%E2%80%9A
ƒ%83%C6%92
„%84%E2%80%9E
…%85%E2%80%A6
†%86%E2%80%A0
‡%87%E2%80%A1
ˆ%88%CB%86
‰%89%E2%80%B0
Š%8A%C5%A0
‹%8B%E2%80%B9
Œ%8C%C5%92
%8D%C5%8D
Ž%8E%C5%BD
%8F%8F
%90%C2%90
‘%91%E2%80%98
’%92%E2%80%99
“%93%E2%80%9C
”%94%E2%80%9D
•%95%E2%80%A2
–%96%E2%80%93
—%97%E2%80%94
˜%98%CB%9C
™%99%E2%84
š%9A%C5%A1
›%9B%E2%80
œ%9C%C5%93
%9D%9D
ž%9E%C5%BE
Ÿ%9F%C5%B8
 %A0%C2%A0
¡%A1%C2%A1
¢%A2%C2%A2
£%A3%C2%A3
¤%A4%C2%A4
¥%A5%C2%A5
¦%A6%C2%A6
§%A7%C2%A7
¨%A8%C2%A8
©%A9%C2%A9
ª%AA%C2%AA
«%AB%C2%AB
¬%AC%C2%AC
­%AD%C2%AD
®%AE%C2%AE
¯%AF%C2%AF
°%B0%C2%B0
±%B1%C2%B1
²%B2%C2%B2
³%B3%C2%B3
´%B4%C2%B4
µ%B5%C2%B5
%B6%C2%B6
·%B7%C2%B7
¸%B8%C2%B8
¹%B9%C2%B9
º%BA%C2%BA
»%BB%C2%BB
¼%BC%C2%BC
½%BD%C2%BD
¾%BE%C2%BE
¿%BF%C2%BF
À%C0%C3%80
Á%C1%C3%81
Â%C2%C3%82
Ã%C3%C3%83
Ä%C4%C3%84
Å%C5%C3%85
Æ%C6%C3%86
Ç%C7%C3%87
È%C8%C3%88
É%C9%C3%89
Ê%CA%C3%8A
Ë%CB%C3%8B
Ì%CC%C3%8C
Í%CD%C3%8D
Î%CE%C3%8E
Ï%CF%C3%8F
Ð%D0%C3%90
Ñ%D1%C3%91
Ò%D2%C3%92
Ó%D3%C3%93
Ô%D4%C3%94
Õ%D5%C3%95
Ö%D6%C3%96
×%D7%C3%97
Ø%D8%C3%98
Ù%D9%C3%99
Ú%DA%C3%9A
Û%DB%C3%9B
Ü%DC%C3%9C
Ý%DD%C3%9D
Þ%DE%C3%9E
ß%DF%C3%9F
à%E0%C3%A0
á%E1%C3%A1
â%E2%C3%A2
ã%E3%C3%A3
ä%E4%C3%A4
å%E5%C3%A5
æ%E6%C3%A6
ç%E7%C3%A7
è%E8%C3%A8
é%E9%C3%A9
ê%EA%C3%AA
ë%EB%C3%AB
ì%EC%C3%AC
í%ED%C3%AD
î%EE%C3%AE
ï%EF%C3%AF
ð%F0%C3%B0
ñ%F1%C3%B1
ò%F2%C3%B2
ó%F3%C3%B3
ô%F4%C3%B4
õ%F5%C3%B5
ö%F6%C3%B6
÷%F7%C3%B7
ø%F8%C3%B8
ù%F9%C3%B9
ú%FA%C3%BA
û%FB%C3%BB
ü%FC%C3%BC
ý%FD%C3%BD
þ%FE%C3%BE
ÿ%FF%C3%BF

URL Encoding Reference

The ASCII control characters %00-%1F were originally designed to control hardware devices.

Control characters have nothing to do inside a URL.

ASCII CharacterDescriptionURL-encoding
NULnull character%00
SOHstart of header%01
STXstart of text%02
ETXend of text%03
EOTend of transmission%04
ENQenquiry%05
ACKacknowledge%06
BELbell (ring)%07
BSbackspace%08
HThorizontal tab%09
LFline feed%0A
VTvertical tab%0B
FFform feed%0C
CRcarriage return%0D
SOshift out%0E
SIshift in%0F
DLEdata link escape%10
DC1device control 1%11
DC2device control 2%12
DC3device control 3%13
DC4device control 4%14
NAKnegative acknowledge%15
SYNsynchronize%16
ETBend transmission block%17
CANcancel%18
EMend of medium%19
SUBsubstitute%1A
ESCescape%1B
FSfile separator%1C
GSgroup separator%1D
RSrecord separator%1E
USunit separator%1F




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