depcheck is a valuable tool for identifying unused dependencies in your Node.js projects. It analyzes project files to detect dependencies that aren't actually used in your code and also lists missing dependencies. By removing unnecessary packages, depcheck helps reduce your project's size, improve build times, and minimize potential security vulnerabilities. It supports various configurations and file types, enhancing its versatility in diverse projects. Leveraging depcheck ensures a cleaner and more efficient project structure, promoting maintainability.