Parsing URL parameters in Node.js enables extraction of query strings and route parameters from HTTP requests for dynamic content and API functionality. As the creator of CoreUI, a widely used open-source UI library, I’ve implemented URL parameter parsing in countless Node.js APIs for filtering, pagination, and data retrieval. From my expertise, the most effective approach is using the built-in URL and URLSearchParams classes for reliable parameter extraction. This method provides native browser-compatible parsing without external dependencies while handling edge cases and encoding automatically.