WebSim AI is a neural-network-based tool for automatically generating web pages and simple web apps.
What WebSim does
WebSim helps speed up site building by producing ready-to-edit code templates in HTML, CSS, and JavaScript.
Key features
- Generate web pages and web apps using HTML, CSS, and JavaScript
- Choose between multiple AI models for generation, including Claude 3.5 Sonnet and GPT-4o (also Haiku)
- Write requests in natural language, and use placeholder links or pseudocode
- Build dynamic pages and small games with plain JavaScript
- Save projects for later editing and sharing
- Deploy via integrations such as GitHub Pages
How to use
- Create an account and sign in to WebSim AI
- Use the built-in virtual browser to enter prompts
- Type a request in the address bar (for example, “a portfolio site for a photographer”)
- Select a model (for example, Sonnet 3 or Opus)
- Refine the result with follow-up prompts
- Save the project or download the source code for deployment
WebSim includes a range of built-in templates and can be used in any browser without installing software. The service is available for free.

