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URL Decoder

Decode percent-encoded URLs back to readable text, and split a query string into parameters.

Enter values

Results update as you type.

Result

Decoded

https://example.com/search?q=hello world&lang=en-GB

Length
51
Sequences decoded
1
Query parameters found
2

Query parameters

ParameterValue
qhello world
langen-GB

About the URL Decoder

Decode percent-encoded URLs back to readable text, and split a query string into parameters.

Also known as: percent decode, decode url, uri decoder, query string parser.

How to use this calculator

  1. Enter url or encoded text.
  2. The result updates instantly as you type — press Calculate (or Enter) at any time.
  3. Review the breakdown shown under the main result.
  4. Use Copy result or Share to save the answer or send a link with your inputs.

Formula

%XX sequences are converted back to their bytes and read as UTF-8

Worked example

Using the values pre-filled in the calculator above:

  • URL or encoded text: https://example.com/search?q=hello%20world&lang=en-GB

the calculator returns:

  • Decoded: https://example.com/search?q=hello world&lang=en-GB
  • Length: 51
  • Sequences decoded: 1
  • Query parameters found: 2