Pylint is a highly versatile tool used to improve the quality of Python code. It analyzes Python programs to identify bugs, enforce a coding standard, and looks for certain types of code smells. Pylint offers a thorough and detailed examination of code complexity and conformity to a variety of coding standards and conventions, helping developers ensure their code is readable, maintainable, and error-free. A key feature of Pylint is its configurability and ability to be customized through plugins to accommodate specific project needs.