URL Encoder & Decoder

Encode special characters in URLs for safe transport, or decode percent-encoded strings back to readable text.

Plain text or URL to encode

Mode: encodeURIComponent (encodes everything except A-Z a-z 0-9 - _ . ! ~ * ' ( ))

Mode: encodeURI (preserves :/ @ ? # etc.)

Encoded output

When to use each

encodeURIComponent — encode a query parameter value or path segment (encodes : / ? # [ ] @ ! $ & ' ( ) * + , ; =)
encodeURI — encode a full URL while keeping its structure intact (preserves : / ? # @ etc.)
Decode — reverse any percent-encoded string back to human-readable form