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Encoding & Security

URL Encoder / Decoder

Percent-encode or decode URI components and full URI text with explicit semantics.

Runs locally in your browser
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About this tool

Choose component semantics (encodeURIComponent) or full-URI semantics (encodeURI) explicitly. Malformed percent escapes do not change input.

Common uses

  • Encode a query parameter value
  • Decode a copied URI component
  • Preserve separators in a full URI