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URL Encoder / Decoder

Percent-encode and decode URLs and URI query parameters according to RFC 3986 standards.

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How to use the URL Encoder / Decoder

1

Select Mode

Switch between Encode or Decode.

2

Enter URL or String

Input full URL or query parameters.

3

Copy Result

Grab the clean escaped string.

Key Features & Accuracy

verifiedComponent vs Full URI

Toggle between encoding query values (encodeURIComponent) and full URLs (encodeURI).

verifiedError Guard

Handles malformed percent-sequences gracefully without breaking the UI.

Frequently Asked Questions

Use encodeURIComponent when encoding parameter keys and values so characters like & and = are escaped.

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