URL encoding or percent encoding
This encoding is widely used for encoding parameters in URLs/URIs.
Special characters are converted to a percent sign (%) + a hexadecimal number.
This encoding is also known as escape/unescape, or just string encoding.
See also the UTF-8 charset page.
Conversion tool
Pages
Unicode tools
UTF-8 to Latin converter
HTML special character converter
URL/percent encode & decode
Punycode IDN converter
HTML special character converter
URL/percent encode & decode
Punycode IDN converter
Text manipulation tools
Remove all accents
Convert to uppercase
Convert to lowercase
Base64 encode & decode
ROT13 cipher tool
String length calculator
Convert to uppercase
Convert to lowercase
Base64 encode & decode
ROT13 cipher tool
String length calculator