Best AI Tools for Developers

Hola, this is me, Abid Ali. I am looking for the best AI tool that can help me rewrite my code, which is approximately 3,000 lines in basic HTML, CSS, and JavaScript. Furthermore, I want some improvement and research, also. Guide me with this.

Note: I am looking for free tools and most probably from Google.
I tried Google AI Studio, Vertix AI, and Gemini, but didn’t get the response I wanted.

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Hi @abid_ali,

I recommend reviewing AI code generation documentation, which outlines various tools offered by Google for code generation and assistance.

Try also to explore other forums or blogs as well. You can often find different perspectives or tools that work better for your specific needs.

Here are some top AI tools for developers in 2025:

GitHub Copilot – Helps with code suggestions and completions inside your IDE.

Amazon CodeWhisperer – Great for AWS developers, gives code suggestions based on natural language.

Tabnine – AI autocomplete with local model support for better privacy.

Cursor – An AI-powered code editor designed for full project understanding.

Qodana or CodiumAI – Helps generate test cases and improve code quality.

These tools boost productivity, help write cleaner code, and speed up development.

Hey Abid! For rewriting 3,000 lines of HTML, CSS, and JS, here are some solid options with free tiers:

Browser-based (no install):

  • Bolt — AI-powered dev environment, builds and deploys full-stack apps right in the browser

  • Replit AI — Has an AI agent that can help refactor and build apps, easy to get started

  • v0.dev — Great for generating React/UI components from descriptions

Desktop IDEs:

  • Cursor — AI code editor designed for full project understanding, has a free tier

  • Windsurf — Similar to Cursor, agentic coding with good context awareness

  • VS Code — Free, and you can add AI extensions like GitHub Copilot or Codeium

Tip: For a big refactor like this, feed the code in chunks rather than all at once. Give clear instructions like “convert this to modern ES6” or “refactor to use CSS Grid.”

More AI coding tools here: (URL Removed by Staff)