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Query string parser

Break a URL's query string into decoded parameters, or build one from key=value lines.

  • Free
  • No sign-up
  • Works on any device

About Query string parser

Paste a URL or the part after the question mark and see each parameter split into decoded names and values, or write key=value lines and build a query string with correct encoding. Spaces become %20 or a plus sign, and special characters such as & must be percent-encoded in values.

How to use Query string parser

  1. Type or paste your text in the box above.
  2. The result appears instantly as you type.
  3. Copy the result or download it as a file.

Why use this tool?

Also known as

Frequently asked questions

Why do URLs contain %20?

URLs cannot hold raw spaces, so a space is percent-encoded as %20. In form-style query strings it can also appear as a plus sign.

Is Query string parser free?

Yes. Query string parser on Toolipedia is free to use, with no sign-up and no watermark.

Is it safe to use?

Yes. Everything is worked out in your browser, and nothing you enter is sent to our server.

Does it work on my phone?

Yes. It works in any modern browser on Android and iPhone, as well as on tablets and computers. There's nothing to install.

Do I need an account?

No. Just open the page and use the tool. There's no sign-up and no email needed.

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