Codificar / Decodificar URL
Codificador y decodificador de URL gratuito. Codifica caracteres especiales para URLs o decodifica cadenas codificadas. Se ejecuta en tu navegador, sin registrarse.
Runs in your browserUpdated Apr 26, 2026
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Preguntas frecuentes
›What's the difference between encodeURI and encodeURIComponent?
encodeURIComponent escapes more characters (like / and ?), making it safe for query string values. We use it by default — the right choice for most cases.
›When do I need URL encoding?
Any time you put special characters (spaces, &, ?, #, accented letters) in a URL — query strings, path segments, fragments, anywhere.
›Are spaces encoded as %20 or +?
Both work. We use %20 by default (RFC 3986). + is only safe in query strings and is form-encoding, not URL-encoding.
›Is my input sent anywhere?
No — runs entirely in your browser.
›Is the tool free?
Yes — fully free, no signup.