BuildUtilities

Query String Parser – Free Online Tool

Parse URL query strings into key-value pairs and build them from parameters.

✦ FreeNo SignupInstantWebURL Encoding Guide

Parse Query String

page=1
sort=name
filter=[active, new]
lang=en

Build Query String

=
=
page=1&sort=name

Example

Input

?name=John&age=30&city=NYC

Output

name: John
age: 30
city: NYC

The query string is parsed into its individual parameters.

How to Use Query String Parser

  1. 1

    Paste Query String

    Paste a URL or query string (e.g., ?key=value&foo=bar).

  2. 2

    View Parameters

    See parsed key-value pairs in a table.

  3. 3

    Edit & Build

    Modify values and rebuild the query string.

Common Use Cases

  • Debugging URL parameters in web applications
  • Building API request URLs
  • Analyzing tracking parameters

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