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URL Decoder

Decode percent-encoded URL strings back to readable text. Inspect encoded links and parameters.

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Quick feedback helps us fix issues and improve URL Decoder.

Decoding percent escapes

Percent-encoded sequences are decoded with decodeURIComponent. The tool retries stray percent signs as literal percent signs.

Output behavior and limits

It does not interpret + as a form-encoded space. Invalid UTF-8 byte sequences can still fail, and decoding twice can change the meaning of a URL.

red%20%26%20blue becomes red & blue. Compare a query value containing + with the form decoder used by your application.

Before replacing your original

  • Processing runs locally in this browser; keep a copy of the source input.

Processing details

Runs in your browser. File handling policy

Implementation and guidance reviewed .

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