Query String Builder

Build URL query strings visually with automatic encoding and parameter management.

Query Parameters

Options

💡 Quick Examples

How to use Query String Builder

  1. 1
    Set base URL (optional) — Enter the base URL for your API endpoint.
  2. 2
    Add parameters — Click "Add Parameter" and enter key-value pairs.
  3. 3
    Configure options — Choose sorting, encoding, and other options.
  4. 4
    Copy result — Copy the query string or full URL for use in your application.

The Query String Builder runs entirely in your browser — your data never leaves your machine. Perfect for API development and testing.