Best 19 Tools for Refactoring Code in 2025
Improve code quality, maintainability, and performance by restructuring existing code without changing its functionality. Essential for software developers and engineering teams who want to reduce technical debt and create more efficient, scalable applications.

Sourcery

Sourcery
Sourcery is an AI-powered code reviewer that analyzes your code and suggests improvements in real time. It supports over 30 programming languages including Python, JavaScript, TypeScript, Java, and many more. The tool integrates seamlessly into your development environment, whether you use VS Code, JetBrains IDEs, or work directly in GitHub and GitLab.

Continue

Continue
Continue is an open-source AI-powered coding assistant designed to enhance developer productivity directly within popular IDEs like VS Code and JetBrains. Think of it as your personal AI coding partner that understands your codebase and helps you write better code faster.

Codebuff

Codebuff
Codebuff is an AI-powered command-line coding agent that helps developers write, edit, and manage code through natural language conversations. Think of it as having a smart assistant living right in your terminal that can read and understand your entire project.

Claude Code

Claude Code
Claude Code is a terminal-based AI assistant that understands your entire codebase and helps you code faster. You simply describe what you want in plain English, and it writes the code, makes changes across multiple files, and runs tests to verify everything works.

Cursor

Cursor
Cursor is an AI-powered integrated development environment (IDE) that combines the familiar interface of Visual Studio Code with advanced artificial intelligence capabilities. Think of it as your regular code editor supercharged with a smart AI assistant that understands your entire project.

Kiro

Kiro
Kiro AI is an agentic Integrated Development Environment built to deliver structured, production-ready software development through spec-driven methodology. Think of it as a combination of traditional IDEs and AI planning tools, but much smarter. It uses advanced language models and incorporates intelligent agents that can analyze, plan, and implement complex software features autonomously.

GitHub Copilot

GitHub Copilot
GitHub Copilot is an AI-powered code completion tool that integrates directly into popular code editors like Visual Studio Code, Visual Studio, and JetBrains IDEs. It uses advanced machine learning models trained on billions of lines of public code to understand what you're trying to build and suggest entire lines or functions in real-time.

Augment Code

Augment Code
Augment Code is an AI-powered software development platform built to help professional engineers work with large, established codebases. Think of it as having a smart coding partner who knows your entire project inside and out.

Forgecode

Forgecode
Forgecode is a lightweight AI pair programmer that lives in your terminal. Unlike heavy coding tools that require special setup, Forgecode works where you already code. You simply type commands or questions, and it helps you write, debug, review, and understand code.

Kilocode

Kilocode
Kilocode is a tool that brings AI assistance directly into your code editor. You can ask it to write code, fix problems, or explain things in plain language. It works as an extension for VS Code and other similar editors like Cursor and JetBrains.