Monday, December 01, 2025

🚀 Transforming UI with design.json and LLMs

 

✨ Introduction

Large Language Models (LLMs) are not just about text—they’re reshaping how we build Full Stack applications. Imagine seeing a website you love and instantly replicating its look and feel in your own project. That’s exactly what we explored in this Proof of Concept (POC).


🛠️ Step 1: Capture the Design

We started by taking a snapshot of the target site:

📷 Image

This image served as the foundation for generating a design.json.


⚙️ Step 2: Generate design.json

Using CTRL+L, we uploaded the captured image. The tool automatically created a design.json file that represents the UI structure and styling.

💡 Think of design.json as a blueprint for your frontend—it tells your project how to look.


📂 Step 3: Integrate into Frontend Project

Once the design.json was ready, we placed it inside our frontend project.

Then, we invoked the following prompt in CTRL+L:

1
@frontend change the ui as per the @design.json

🤖 Step 4: Let the Agent Work

As soon as the prompt was executed, our agent began transforming the UI.

⚡ Within moments, the project’s interface was updated to match the design we had captured.

📷 Image


🎯 Conclusion

This experiment demonstrates how LLMs + design.json can revolutionize frontend development:

  • 🔄 Rapid UI transformation without manual coding
  • 🎨 Consistent look and feel across projects
  • ⚡ Accelerated prototyping for Full Stack developers

By combining AI-driven design extraction with prompt-based UI updates, developers can move from idea to implementation faster than ever.


Source Code :-https://github.com/shdhumale/antigravity-workspace-ui-design-json.git

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