# Refactor code

Discover ways that you can use GitHub Copilot to refactor your code.

## Links

* [Improving code readability and maintainability](/en/copilot/tutorials/copilot-cookbook/refactor-code/improve-code-readability)

  Copilot Chat can suggest ways to make your code easier to understand and maintain.

* [Fixing lint errors](/en/copilot/tutorials/copilot-cookbook/refactor-code/fix-lint-errors)

  Copilot Chat can suggest ways to fix issues identified by a code linter.

* [Refactoring for performance optimization](/en/copilot/tutorials/copilot-cookbook/refactor-code/refactor-for-optimization)

  Copilot Chat can suggest ways to speed up slow-running code.

* [Refactoring for environmental sustainability](/en/copilot/tutorials/copilot-cookbook/refactor-code/refactor-for-sustainability)

  Copilot Chat can suggest ways to make code more environmentally friendly.

* [Refactoring to implement a design pattern](/en/copilot/tutorials/copilot-cookbook/refactor-code/refactor-design-patterns)

  Copilot Chat can suggest design patterns that you can use to improve your code.

* [Refactoring data access layers](/en/copilot/tutorials/copilot-cookbook/refactor-code/refactor-data-access-layers)

  Copilot Chat can suggest ways to decouple your data access code from your business logic, making an application easier to maintain and scale.

* [Decoupling business logic from UI components](/en/copilot/tutorials/copilot-cookbook/refactor-code/decouple-business-logic)

  Copilot Chat can help you separate your business logic from your user interface code, making it easier to maintain and scale your application.

* [Handling cross-cutting concerns](/en/copilot/tutorials/copilot-cookbook/refactor-code/handle-cross-cutting)

  Copilot Chat can help you avoid code that relates to a concern other than the core concern of the method or function in which the code is located.

* [Simplifying complex inheritance hierarchies](/en/copilot/tutorials/copilot-cookbook/refactor-code/simplify-inheritance-hierarchies)

  Copilot Chat can help you to refactor code to avoid classes with multiple layers of inheritance.

* [Fixing database deadlocks or data integrity issues](/en/copilot/tutorials/copilot-cookbook/refactor-code/fix-database-deadlocks)

  Copilot Chat can help you avoid code that causes slow or blocked database operations, or tables with missing or incorrect data.

* [Translating code to a different programming language](/en/copilot/tutorials/copilot-cookbook/refactor-code/translate-code)

  Copilot Chat can help you rewrite code to perform the same operations but in a different programming language.