jsinspect is a powerful open-source tool for detecting copy-pasted and structurally similar code within JavaScript projects. It facilitates code reuse and refactoring by identifying duplicate code blocks, helping developers eliminate redundancy and improve maintainability. It analyzes JavaScript, TypeScript, JSX, and TSX code, pinpointing areas of potential concern. jsinspect assists in code quality and consistency, making it a valuable tool for large codebases and collaborative projects.