ts-loader is a powerful TypeScript loader for webpack, a popular JavaScript module bundler. It enables developers to seamlessly integrate TypeScript code into their webpack workflows. By utilizing TypeScript's compiler directly, ts-loader provides robust type checking and supports the latest ECMAScript features. This package allows for efficient TypeScript compilation during the bundling process, enhancing code quality and developer productivity in webpack-based projects. It streamlines the development process by removing the need for manual compilation steps.