Best AI Code Refactoring Tools for Visual Studio Code

Windsurf is a cutting-edge IDE designed for developers to maintain focus and productivity through AI-driven assistance. At the heart of the platform is Cascade, an intelligent agent that not only fixes bugs and errors but also anticipates potential issues before they arise. With built-in features for real-time code previews, automatic linting, and seamless integrations with popular tools like GitHub and Slack, Windsurf streamlines the development process. Developers can also benefit from memory tracking, which helps Cascade recall past work, and smart suggestions that enhance code optimization. Windsurf’s unique capabilities ensure that developers can work faster and smarter, reducing onboarding time and accelerating project delivery.

The Syntax Generating Apps are the best way to find coding answers to your questions. It's easy to use and you'll be surprised at how simple it is to find answers to your coding queries in the language that you love. AskCodi offers applications for frontend/backend programming, documentation, test creators, and many other areas where users can ask questions to get answers. AskCodi supports more languages and frameworks than 50. A codebase that stores all code generated so you can return to it in the future. You can immediately increase productivity and streamline maintenance and debugging. AskCodi supports many natural languages other than english, such as german, spanish, and polish.

Qodo, formerly Codium, analyzes your code to find bugs before you release. Qodo maps the behaviors of your code, identifies edge cases and tags anything suspicious. It then generates meaningful and clear unit tests that match the behavior of your code. You can see how your code behaves and how changes to your code affect the rest of the code. Code coverage is broken. Meaningful tests check functionality and give you the confidence to commit. Spend less time writing questionable tests and more time developing features that are useful to your users. Qodo analyzes your code, docstring and comments to suggest tests as you type. You only need to add them to your suite. Qodo focuses on code integrity. It generates tests that help you understand your code, find edge cases and suspicious behavior; and make your code more robust.

GitHub Copilot represents the next evolution of intelligent software development, combining AI-driven coding, collaboration, and automation in a single ecosystem. It seamlessly integrates with GitHub and leading IDEs, transforming natural language prompts into working code, tests, and documentation. The new Agent Mode allows developers to delegate tasks—Copilot autonomously writes, executes, and validates code using GitHub Actions, delivering ready-to-review pull requests. Developers can interact through Copilot Chat, switch between models like GPT-5, Claude Sonnet 4, and Gemini 2.0 Flash, and refine results with contextual feedback. Next Edit Suggestions and automated code review ensure project-wide consistency, helping teams catch bugs before they reach production. With Copilot Spaces, teams can organize shared context—code, notes, and knowledge—to produce tailored, high-quality results. Available in Free, Pro, and Pro+ plans, Copilot scales from individuals to enterprises with flexible model access and premium capabilities. Ultimately, GitHub Copilot transforms development from manual iteration to AI-augmented collaboration, enabling engineers to focus on innovation instead of boilerplate.

Amp is a next-generation AI-powered coding assistant created by Sourcegraph to transform how software is developed by individuals and teams alike. Powered by cutting-edge models, Amp delivers production-ready code changes by autonomously reasoning through tasks and executing complex edits. It integrates smoothly into existing developer workflows through CLI and VS Code extensions, making it accessible without additional user interface overhead. The tool encourages collaboration by default, allowing teams to share code threads, context, and best practices, which drives continuous improvement and adoption. Designed to support everything from solo developers to large-scale enterprises, Amp ensures security and compliance with features like enterprise single sign-on and zero retention of large language model data. The product’s quality focus sets it apart, delivering results that users describe as faster and more reliable than alternatives. Amp’s community of engineers and creators actively share feedback to refine the tool, supported by extensive documentation and podcasts. Its mission is to accelerate software building while maintaining high-quality outcomes.

Tabnine is the AI coding assistant that you control — helping development teams of every size use AI to accelerate and simplify the software development process without sacrificing privacy, security, or compliance. Tabnine boosts engineering velocity, code quality, and developer happiness by automating the coding workflow through AI tools customized to your team. Tabnine is trusted by more than 1,000,000 developers across thousands of organizations. Tabnine offers best-in-class AI code completion and an AI-powered chat and supports numerous use cases such as code generation, explanation of code, creating unit tests, generating documentation, debugging code, refactoring and maintaining code. Tabnine is integrated with all the major IDEs such as VS Code, JetBrains, Visual Studio, Eclipse. It supports over 80 programming languages and frameworks including JavaScript, TypeScript, Python, Java, C, C++, C#, Go, Php, Ruby, Kotlin, Dart, Rust, React/Vue, HTML 5, CSS, Lua, Perl, YAML, Cuda, SQL, Scala, Shell (bash), Swift, R, Julia, VB, Groovy, Matlab, Terraform, ABAP and more.

Explore the AI Pair Programming extension designed for VSCode, enabling you to craft your own AI Copilots using the Playground and launch innovative AI applications through the API. Harness the potential of personalized AI agents by integrating tailored context and knowledge applicable to various programming languages. Train your AI Copilot effortlessly with your own files in the Playground, allowing you to create and share a Copilot in a mere five minutes, or develop custom AI solutions seamlessly via the API. This free extension for VS Code enhances your coding experience with a chat assistant and code completion features; simply download it, input your API key, and start coding with AI at no cost. This upgraded solution empowers users to create AI agents enriched with specific contextual information, enabling you to design bespoke AI copilots that can be integrated anywhere. The API connection simplifies the development of AI-driven applications by managing the intricacies of fine-tuning large language models, allowing you to concentrate on creativity rather than technical challenges. With these tools at your disposal, you can redefine your programming workflow and push the boundaries of what's possible in software development.

Accelerate your coding experience and maintain your creative momentum with Kite, which integrates AI-driven code completions into your preferred code editor, effectively granting developers extraordinary capabilities. By downloading the Kite engine, you can enhance any code editor with advanced AI completions, compatible with over 16 programming languages and code editors. Enjoy rapid, context-sensitive suggestions that empower your coding process, allowing for longer multi-line completions in scenarios where you might usually struggle. As you code more efficiently, Kite's AI can reduce your keystrokes by as much as 47%, streamlining your workflow significantly. Access Python documentation effortlessly with a simple click or mouse hover, and discover useful examples and tutorials at your fingertips. Additionally, you can swiftly locate files in your codebase that are pertinent to the current file you are working on, ultimately boosting productivity for thousands of developers. With Kite, you not only code faster but also enhance your overall development experience.

K.Explorer is an AI system that creates better software faster, cheaper, and more efficiently. A coding assistant that increases developer productivity. An AI pair programmer that suggests code completions and complete function bodies as you type. You can also search the engine for help. It is an AI-powered Code Assistant that has been trained on millions of lines of code from private corporations, as well as billions of lines of open-source code for general purposes. Natural Language allows programmers to receive guidance and tell a text story about what code they are writing.

Introducing CodeGeeX, a powerful multilingual code generation model boasting 13 billion parameters, which has been pre-trained on an extensive code corpus covering over 20 programming languages. Leveraging the capabilities of CodeGeeX, we have created a VS Code extension (search 'CodeGeeX' in the Extension Marketplace) designed to support programming in various languages. In addition to its proficiency in multilingual code generation and translation, CodeGeeX can serve as a personalized programming assistant through its few-shot learning capability. This means that by providing a handful of examples as prompts, CodeGeeX can mimic the showcased patterns and produce code that aligns with those examples. This functionality enables the implementation of exciting features such as code explanation, summarization, and generation tailored to specific coding styles. For instance, users can input code snippets reflecting their unique style, and CodeGeeX will generate similar code accordingly. Moreover, experimenting with different prompt formats can further inspire CodeGeeX to develop new coding skills and enhance its versatility. Thus, CodeGeeX stands out as a versatile tool for developers looking to streamline their coding processes.

BLACKBOX AI is a powerful AI-driven platform that revolutionizes software development by providing a fully integrated AI Coding Agent with unique features such as voice interaction, direct GPU access, and remote parallel task processing. It simplifies complex coding tasks by converting Figma designs into production-ready code and transforming images into web apps with minimal manual effort. The platform supports seamless screen sharing within popular IDEs like VSCode, enhancing developer collaboration. Users can manage GitHub repositories remotely, running coding tasks entirely in the cloud for scalability and efficiency. BLACKBOX AI also enables app development with embedded PDF context, allowing the AI agent to understand and build around complex document data. Its image generation and editing tools offer creative flexibility alongside development features. The platform supports mobile device access, ensuring developers can work from anywhere. BLACKBOX AI aims to speed up the entire development lifecycle with automation and AI-enhanced workflows.

GoCodeo is a comprehensive AI platform for developers that accelerates coding, testing, and debugging processes. The platform integrates with VS Code to offer real-time assistance, from generating code snippets to automatically creating unit tests. GoCodeo’s AI-driven tools also provide debugging insights, enabling developers to identify and fix issues faster. With support for multiple programming languages and frameworks, GoCodeo empowers developers to write high-quality, production-ready code with less effort, streamlining development cycles and enhancing efficiency across projects.

Enhance the speed and efficiency of software development and delivery by leveraging generative AI support, all while ensuring robust enterprise security and privacy safeguards. Gemini Code Assist streamlines your coding process by completing your code as you type and can generate entire code blocks or functions upon request. This powerful code assistance tool is compatible with a variety of popular integrated development environments (IDEs) like Visual Studio Code and JetBrains IDEs (including IntelliJ, PyCharm, GoLand, and WebStorm), as well as Cloud Workstations and Cloud Shell Editor, supporting over 20 programming languages such as Java, JavaScript, Python, C, C++, Go, PHP, and SQL. Utilizing a natural language chat interface, you can easily interact with Gemini Code Assist to obtain solutions to your coding queries or gain insights into coding best practices, with chat functionality accessible across all supported IDEs. Organizations have the flexibility to tailor Gemini Code Assist by integrating their private codebases and knowledge repositories, enabling the tool to provide more personalized assistance that aligns with specific enterprise needs. Furthermore, Gemini Code Assist has the capability to facilitate extensive modifications across entire codebases, thereby optimizing the development workflow significantly. This adaptability not only boosts productivity but also empowers teams to innovate more rapidly in a secure environment.

Enhance your app development speed with a machine learning-driven coding assistant. This innovative tool boosts application creation by providing automatic code suggestions tailored to the code and comments within your integrated development environment (IDE). It enables developers to responsibly leverage artificial intelligence (AI) for crafting applications that are both syntactically correct and secure. Rather than hunting for and modifying code snippets online, you can effortlessly generate entire functions and logical blocks. Maintain your focus without leaving the IDE, as you receive real-time, personalized code suggestions for all your projects in Java, Python, and JavaScript. Amazon CodeWhisperer serves as an ML-enhanced service designed to elevate developer efficiency by offering code recommendations based on natural language comments and existing code within the IDE. This tool not only accelerates both frontend and backend development but also saves valuable time by assisting in generating code to build and train your machine learning models, ultimately streamlining the entire development process. With such capabilities, developers can innovate faster than ever before.

Claude Code by Anthropic brings agentic AI development to your terminal, transforming how teams work with large and complex codebases. It connects natively to GitHub, GitLab, and local environments, giving developers the power to search, explain, and edit code with simple prompts. Claude Code can onboard new developers by mapping entire repositories, explaining architectures, and summarizing dependencies within seconds. It also automates tedious workflows—such as issue triage, refactoring, testing, and PR submission—by turning them into single-command actions. With support for models like Claude 3.5 Sonnet and Claude 3 Opus, it delivers contextual reasoning and multi-file understanding unmatched by typical copilots. Its agentic command-line interface makes it feel like an intelligent collaborator embedded in your workflow. Integration is simple: install it via npm and start coding at “thought speed.” Claude Code helps teams move from concept to commit effortlessly, combining the familiarity of the terminal with the intelligence of Claude.

Safurai, an AI-based IDE extension, is designed to aid developers by speeding up coding and debugging, documentation, and many other tasks. It acts as a virtual assistant and provides solutions and suggestions for any problems that may arise during software development. Safurai allows developers to improve their workflow and code quality. This makes the development process more efficient. Safurai AI is made up of a set of non-proprietary Large Language Models optimized for programming and performing all the functions. The models we use are trained with synthetic data only, we do not retain or reuse user codebase data for model improvement purposes. For Safurai, "Transparency" is not only a vogue word. We care a lot about transparency.

Transform your inquiries into code effortlessly while having the capability to store and retrieve your snippets with ease. Collaborate seamlessly with your team, leveraging the power of ChatGPT alongside our optimized GPT-3 model. Enhance your comprehension of coding concepts to expand your skillset. Improve the quality of your programming through our advanced refactoring and debugging tools. Share your code snippets securely with your team while preserving their formatting. Our integration of ChatGPT and the refined GPT-3 model ensures quicker and more precise answers to your queries compared to traditional Codex applications. Generate documentation, refactor, debug, and create code with just a single click. With our specialized VSCode extension, you can effortlessly save code directly from your IDE to your personal library. Organize your snippets by language, name, or folder, and customize your folder structure to match your preferences. Overall, our platform utilizes ChatGPT and our fine-tuned GPT-3 model to deliver unmatched speed and accuracy in response to your coding questions. Additionally, our user-friendly interface simplifies your coding experience, allowing for a more productive workflow.

Refraction serves as a powerful code-generation tool tailored for developers, employing AI to assist in writing code. This innovative platform enables users to produce unit tests, documentation, refactor existing code, and much more. It supports code generation in 34 programming languages, including Assembly, C#, C++, CoffeeScript, CSS, Dart, Elixir, Erlang, Go, GraphQL, Groovy, Haskell, HTML, Java, JavaScript, Kotlin, LaTeX, Less, Lua, MatLab, Objective-C, OCaml, Perl, PHP, Python, R Lang, Ruby, Rust, Sass/SCSS, Scala, Shell, SQL, Swift, and TypeScript. With Refraction, thousands of developers globally are streamlining their workflows, utilizing AI to automate tasks such as documentation creation, unit testing, and code refactoring. This tool not only enhances efficiency but also allows programmers to concentrate on more critical aspects of software development. By leveraging AI, you can refactor, optimize, fix, and style-check your code effortlessly. Additionally, it facilitates the generation of unit tests compatible with various testing frameworks and helps clarify the intent of your code, making it more accessible for others. Embrace the capabilities of Refraction and transform your coding experience today.

Refact.ai is an advanced AI-powered assistant that integrates directly into your IDE, offering intelligent code completion, real-time code suggestions, and automatic refactoring to streamline the coding process. By using the AI model trained on your codebase, Refact.ai adapts to your team's style, providing highly relevant recommendations to enhance productivity. Developers can also fine-tune the assistant to better suit their unique requirements, making it a powerful tool for personalized coding assistance. With support for all major IDEs and secure on-premise deployment, Refact.ai empowers developers to increase code quality, reduce time spent on manual tasks, and achieve faster results.

Cody is an advanced AI coding assistant developed by Sourcegraph to enhance the efficiency and quality of software development. It integrates seamlessly with popular Integrated Development Environments (IDEs) such as VS Code, Visual Studio, Eclipse, and various JetBrains IDEs, providing features like AI-driven chat, code autocompletion, and inline editing without altering existing workflows. Designed to support enterprises, Cody emphasizes consistency and quality across entire codebases by utilizing comprehensive context and shared prompts. It also extends its contextual understanding beyond code by integrating with tools like Notion, Linear, and Prometheus, thereby gathering a holistic view of the development environment. By leveraging the latest Large Language Models (LLMs), including Claude Sonnet 4 and GPT-4o, Cody offers tailored assistance that can be optimized for specific use cases, balancing speed and performance. Developers have reported significant productivity gains, with some noting time savings of approximately 5-6 hours per week and a doubling of coding speed when using Cody.

Tabby is a self-hosted, open-source AI coding assistant that aims to improve your development workflow by offering intelligent code completion, real-time suggestions, and smooth integration with your preferred integrated development environment (IDE). You can deploy Tabby on your own servers, which gives you the advantage of security and control over your codebase. It is compatible with major coding large language models (LLMs) such as CodeLlama, StarCoder, and CodeGen, allowing it to adapt to your unique coding style while delivering precise and context-sensitive support. Whether you are coding solo or collaborating in a team setting, Tabby not only streamlines your coding tasks but also minimizes errors and speeds up project timelines. With its user-friendly features and customizable options, Tabby stands out as an essential tool for developers looking to optimize their coding experience.

Cosine is capable of grasping both broad concepts and intricate details to deliver answers that surpass human capabilities. We are more than just a layer over an LLM; our approach integrates various methods such as static analysis and semantic search among others. Just pose a question to Cosine about adding a new feature or altering existing code, and we will produce a comprehensive step-by-step guide. Cosine meticulously indexes your codebase, comprehending it on various dimensions; from the relationships among files and functions to an in-depth semantic analysis of the code, ensuring that any inquiry regarding your codebase can be addressed. Genie stands out as the leading AI software engineer, boasting an impressive 30% evaluation score on the widely recognized SWE-Bench benchmark. It excels at debugging, feature development, and code refactoring, performing these tasks either completely independently or in collaboration with the user, creating a partnership akin to working alongside a colleague rather than merely acting as a copilot. Essentially, both Cosine and Genie redefine the standards of what AI can achieve in software engineering.

Fine is an innovative platform driven by artificial intelligence, aimed at supporting startups by automating various tasks in the software development lifecycle. This platform provides a variety of AI agent workflows that facilitate coding, debugging, testing, and code review, enabling teams to release daily updates and expedite the resolution of pull requests. Fine has the capability to independently generate and apply code, perform pull request assessments, create tests, and manage typical challenges without the need for constant oversight from human developers. It integrates smoothly with GitHub and is designed to accommodate asynchronous collaboration, making it an ideal choice for dynamic startup environments. Additionally, Fine offers real-time feedback and live previews, which not only enhance productivity but also optimize the overall development workflow. By leveraging such advanced features, teams can focus more on strategic tasks while the platform handles routine operations efficiently.

Introducing MarsCode: an advanced AI development tool designed for immediate use. This innovative platform features an 'out-of-the-box cloud AI IDE' and a 'robust AI assistant,' making it an essential resource for developers seeking to enhance their learning and streamline their workflow. Among its standout features are: 1. A cloud-based AI IDE that frees developers from the limitations of specific devices and locations. 2. Integration options for local IDEs, which infuse traditional development practices with cutting-edge AI capabilities. 3. A suite of tools for code completion, bug fixing, and optimization, offering intelligent support throughout the entire coding journey. 4. An intelligent Q&A feature at the repository level, enabling developers to concentrate on their tasks with greater ease. 5. Versatile deployment support for various types of applications, including websites, AI plugins, and APIs, catering to a broad range of development needs. With MarsCode, developers not only gain access to powerful tools but also experience a newfound level of productivity and efficiency in their projects.

DeepCode AI serves as the foundation of Snyk code, making it the quickest and most precise Static Application Security Testing (SAST) solution available. By harnessing DeepCode AI within the Snyk platform, which leverages various AI models and is honed using data focused on security, Snyk provides users with the advantages of artificial intelligence while mitigating potential downsides. Supporting 11 programming languages, DeepCode AI is crafted to identify and remediate vulnerabilities, as well as address technical debt effectively. This innovative AI also facilitates Snyk's one-click security solutions and extensive application coverage, empowering developers to build swiftly while maintaining robust security measures. Developed and continuously improved by expert researchers, DeepCode AI relies on millions of open-source projects for its training, ensuring no customer data is utilized. Ultimately, DeepCode AI employs a hybrid strategy with multiple models and specialized training sets, all aimed at enhancing application security. This commitment to innovation ensures that developers can confidently deploy applications without compromising safety.