URL Encoder & Decoder

Encode and decode URLs, query strings, and URI components. Supports encodeURIComponent, encodeURI, and full URL parsing.

100% Client-SideNo Data Sent to ServerFree, No Signup

Input0 chars

Output

0 chars

Enter URL to parse

Base URL (optional)

Query Parameters

Generated URL / Query String

Bulk Input (one per line)

Output

Quick Examples

Simple Text

Hello World! How are you? → Hello%20World!%20How%20are%20you%3F

URL with Spaces

https://example.com/search?q=hello world&lang=en

Query Parameters

email=user@example.com&redirect=https://mysite.com/callback

JSON in URL

{"name":"John","age":30} → %7B%22name%22%3A%22John%22...

File Path

file:///C:/Users/Documents/My File (1).txt

Unicode / Accents

Cafe Resume naive uber → %C3%A9, %C3%BC, %C3%9F...

Character	Encoded	Description
(space)	%20	Space character (or + in forms)
!	%21	Exclamation mark
#	%23	Hash / fragment
$	%24	Dollar sign
&	%26	Ampersand (query separator)
'	%27	Single quote
(	%28	Open parenthesis
)	%29	Close parenthesis
+	%2B	Plus sign
,	%2C	Comma
/	%2F	Forward slash (path separator)
:	%3A	Colon
=	%3D	Equals (query key=value)
?	%3F	Question mark (query start)
@	%40	At sign
[	%5B	Open bracket
]	%5D	Close bracket
{	%7B	Open brace
}	%7D	Close brace

Encodes everything except: A-Z a-z 0-9 - _ . ~ ! ' ( ) *

Use when encoding a value that will be part of a URL (query param values, path segments).

encodeURIComponent("a=b&c=d")
Result: a%3Db%26c%3Dd

Preserves URL structure chars: : / ? # [ ] @ ! $ & ' ( ) * + , ; =

Use when encoding a complete URL that may have spaces or unicode but should remain navigable.

encodeURI("https://x.com/a b")
Result: https://x.com/a%20b

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