URL Encoder & Decoder – Percent Encoding Online

Trending

Encode or decode URL strings and query parameters using percent encoding instantly. Essential for safe URL transmission with RFC 3986 compliance.

URL Encoder / Decoder

Percent-encode URLs and query strings in real time

Mode

Text to encode

Common encoded characters

Click any row to append that character / sequence to your input.encodeURIComponent() encodes everything except A–Z a–z 0–9 - _ . ! ~ * ' ( ).

What is URL Encoder & Decoder?

Encode and decode URLs using percent encoding (RFC 3986). Handles special characters, spaces, Unicode, and reserved characters. Features component vs full URL encoding and bulk processing. Perfect for APIs, query strings, and internationalized URLs.

urlencoderdecoderpercent encodinguriquery string

URL Encoder & Decoder Features

RFC 3986 Compliant

Standards-compliant percent encoding

Component vs Full

Encode URL components or complete URLs

Unicode Support

Handles international characters and emojis

URL Encoder & Decoder FAQ

URLs can only contain certain ASCII characters. Special characters must be percent-encoded to transmit safely without breaking URL structure (e.g., spaces become %20).

Reserved characters (: / ? # [ ] @ ! $ & ' ( ) * + , ; =), spaces, quotes, and non-ASCII Unicode characters must be encoded.