URL Encoder / Decoder

Encode or decode URL strings. Convert special characters to percent-encoded format and back.

Text to encode

Encoded output

Encoded result will appear here

Component vs Full URI: encodeURIComponent encodes all special characters including / ? & =. encodeURI preserves URL structure characters.

About URL Encoding

URL encoding (percent-encoding) replaces unsafe characters with a % followed by two hex digits. This ensures URLs are transmitted correctly over the internet.

Common Encodings

space becomes %20 (or + in form data)
& becomes %26
= becomes %3D
? becomes %3F
# becomes %23