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URL Decoder

Percent-decode a URL back to readable text.

What Is a URL Decoder?

The URL Decoder converts percent-encoded strings back into readable text. It reverses URL encoding by translating %XX sequences into their original characters, turning query strings and encoded links back into human-readable form. This free online tool is useful for URL decoder, percent decoding, URL decode online. Common use cases include query strings, encoded links, API parameters, and debugging web requests. It is designed for quick browser-based hashing, encoding, decoding, encryption testing, checksum comparison, identifier generation, and cryptography education. For production security, follow the algorithm's current standards, key-management requirements, and application-specific security guidance.

How to Use This URL Decoder

  1. 1
    Choose the operationDecide whether you need to encode or decode the input.
  2. 2
    Enter the dataPaste the text, URL, hexadecimal value, binary value, or encoded string.
  3. 3
    Validate the formatUse the character set and input rules described by the tool.
  4. 4
    Review the resultThe converted representation appears immediately.
  5. 5
    Copy the outputUse it in your development, debugging, education, or data-processing workflow.

Frequently Asked Questions

If the input contains an invalid escape such as '%zz', the decoder reports an error rather than producing garbage output.
No. It follows URL standard decoding, so '+' stays as '+' rather than becoming a space (that is form-encoding behavior).

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Safely encode and decode URL addresses.