Parsing and constructing URL query strings is a common task when building APIs and handling HTTP requests in Node.js applications. As the creator of CoreUI, a widely used open-source UI library, and with over 11 years of experience in software development, I’ve implemented countless endpoints that require query parameter processing. The most straightforward approach is using Node.js’s built-in querystring module, which provides simple methods for parsing and stringifying query parameters. This module handles URL encoding and decoding automatically while maintaining simplicity.