Best AI Code Refactoring Tools for Swift

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.

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.

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.

DeepSeek Coder is an innovative software solution poised to transform the realm of data analysis and programming. By harnessing state-of-the-art machine learning techniques and natural language processing, it allows users to effortlessly incorporate data querying, analysis, and visualization into their daily tasks. The user-friendly interface caters to both beginners and seasoned developers, making the writing, testing, and optimization of code a straightforward process. Among its impressive features are real-time syntax validation, smart code suggestions, and thorough debugging capabilities, all aimed at enhancing productivity in coding. Furthermore, DeepSeek Coder’s proficiency in deciphering intricate data sets enables users to extract valuable insights and develop advanced data-centric applications with confidence. Ultimately, its combination of powerful tools and ease of use positions DeepSeek Coder as an essential asset for anyone engaged in data-driven 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.

bolt.diy is an open-source platform that empowers developers to effortlessly create, run, modify, and deploy comprehensive web applications utilizing a variety of large language models (LLMs). It encompasses a diverse selection of models, such as OpenAI, Anthropic, Ollama, OpenRouter, Gemini, LMStudio, Mistral, xAI, HuggingFace, DeepSeek, and Groq. The platform facilitates smooth integration via the Vercel AI SDK, enabling users to tailor and enhance their applications with their preferred LLMs. With an intuitive user interface, bolt.diy streamlines AI development workflows, making it an excellent resource for both experimentation and production-ready solutions. Furthermore, its versatility ensures that developers of all skill levels can harness the power of AI in their projects efficiently.

Workik's AI code generator is a multifaceted solution that simplifies the software development process by automating tasks such as code generation, debugging, testing, and migration across a range of programming languages and frameworks. It boasts functionalities like rapid code generation, customizable context integration with APIs, libraries, codebases, and database schemas, as well as support for cross-language coding and smooth compatibility with leading EHR systems. Designed with productivity enhancement in mind, Workik seamlessly fits into current workflows, aiming for minimal disruption during implementation. Furthermore, Workik adheres to HIPAA regulations, ensuring that patient information is protected with top-tier security protocols. Users have the ability to pre-define the AI engine's context and behavior, tailoring its responses to align with their unique programming style, database design, and specific project requirements. Additionally, the context-setting capability enables developers to incorporate their existing codebase context, allowing them to continue development without losing momentum. This innovative approach not only increases efficiency but also fosters a more cohesive development environment.

Devin is an advanced software development assistant powered by AI, created to work in tandem with engineering teams to streamline and enhance coding processes. It assists with various tasks such as initiating repositories, coding, debugging errors, and executing migrations, functioning either independently or in collaboration with human developers. Over time, Devin improves its efficiency by learning from provided examples. Its implementation has resulted in substantial time and financial savings on extensive projects, exemplified by its use at Nubank, where it achieved migration speeds 8 to 12 times faster and cut costs by more than 20 times. Additionally, Devin excels in both refactoring code and automating repetitive engineering tasks, making it an invaluable tool for developers looking to optimize their workflow. Its ability to continuously adapt ensures that it remains an essential asset in the ever-evolving landscape of software development.

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.

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.

Accelerate the development of highly secure software with the assistance of AI throughout every phase of the software development process. GitLab Duo serves as an AI-enhanced companion that is seamlessly woven into the GitLab ecosystem, aiming to boost productivity and foster teamwork in software development. It offers smart code recommendations, aids in code refactoring and debugging, and simplifies workflows by automating mundane tasks. Additionally, GitLab Duo allows for natural language inquiries related to project management and development insights, granting developers a more intuitive way to engage with their repositories. With integration into popular IDEs such as JetBrains and Neovim, GitLab Duo provides uninterrupted support within the environments that developers favor. Through the fusion of AI-driven productivity and GitLab’s comprehensive DevSecOps capabilities, GitLab Duo empowers teams to produce superior software at a quicker pace while enhancing collaborative efforts. This innovative tool ultimately transforms the way teams approach software development.

An autonomous coding assistant integrated directly within your IDE, this tool can create and modify files, execute commands, browse the web, and more, all with your explicit consent throughout the process. Cline is designed to tackle intricate software development challenges methodically. Equipped with capabilities to generate and adjust files, navigate extensive projects, utilize web resources, and perform terminal commands (once you authorize), he offers support that transcends mere code completion or technical assistance. Unlike traditional AI scripts that operate in isolated environments, this extension features a user-friendly interface that requires your approval for every file modification and command execution, ensuring a secure and user-friendly approach to harnessing the capabilities of autonomous AI. By incorporating such a system, developers can explore innovative solutions while maintaining control over their coding environment.