WebStorm is an integrated development environment (IDE) designed specifically for JavaScript and related technologies. Developed by JetBrains, it provides a range of features such as code completion, debugging, and version control integration, making it easier for developers to write and manage their code efficiently. The IDE supports various frameworks and libraries, including React, Angular, and Node.js. With its user-friendly interface and powerful tools, WebStorm helps developers streamline their workflow, improve productivity, and create high-quality web applications.