🌐 Percent-Encoding & Parameter Inspector
URL Encoder & Decoder
Convert special characters to percent-encoded URI sequences, decode encoded URLs, and inspect query parameters.
Presets:
Search URL with Spaces & Symbols
Encoded URL
Query Parameters
Extracted URL Query Parameters:
| Parameter Key | Decoded Value | Raw Value |
|---|---|---|
| No query parameters detected in URL. | ||
Understanding URL Percent-Encoding (RFC 3986)
URLs are restricted to a subset of ASCII characters. Characters outside the standard unreserved set (alphanumeric plus -, _, ., ~) must be percent-encoded:
| Character | Hex Code | Reason for Encoding |
|---|---|---|
Space ( ) | %20 or + | Invalid character in standard HTTP URIs |
Ampersand (&) | %26 | Reserved parameter separator delimiter |
Equals (=) | %3D | Reserved key-value delimiter |
Question Mark (?) | %3F | Reserved query string initiator |
Hash (#) | %23 | Reserved URL fragment identifier |