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Query String Parser

Converts a query string into a readable table of keys and values, and rebuilds a query string from pairs.

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In short Query String Parser is a free online tool on inputtesthub.com that converts a query string into a readable table of keys and values, and rebuilds a query string from pairs. It needs no account, no download and no payment, and there is no daily usage limit. Everything is processed inside your own browser, so the data you paste is never uploaded to a server.

How to use the Query String Parser

  1. Type or paste your input.
  2. The output is produced instantly as you type.
  3. Press Copy to take the result with you.

About the Query String Parser

The Query String Parser converts a query string into a readable table of keys and values, and rebuilds a query string from pairs. It runs as plain JavaScript inside the page, which means there is no upload step, no queue and no size limit imposed by a server — the only limit is your own device.

What people use it for

  • Reading UTM parameters from a campaign link.
  • Building a query string from a list of values.
  • Finding a duplicate parameter.

Frequently asked questions

Does the Query String Parser cost anything?
There is no cost and no cap. The Query String Parser is not a demo of a paid product, so nothing is held back or watermarked.
Is the Query String Parser safe to use with private information?
No. The Query String Parser runs entirely in your browser using JavaScript. Nothing is transmitted, logged or stored, which you can verify yourself in the Network tab of your browser's developer tools.
When would I actually need the Query String Parser?
Typical uses: reading UTM parameters from a campaign link. Building a query string from a list of values. Finding a duplicate parameter. It is built for exactly those cases rather than being a general-purpose tool with this bolted on.
Will this work on a tablet?
Yes. The page is responsive and the tool works in Chrome, Safari, Firefox, Edge and Samsung Internet on both Android and iOS. There is no app to install and nothing to sign into.

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