Bolt.new

Bolt.new is a browser-based AI development environment that uses Claude to generate, run, and deploy full-stack web applications entirely in the browser. No local development setup, no terminal commands, no dependency management — just describe what you want and Bolt builds it in a WebContainer that runs natively in your browser.

The technical achievement behind Bolt is remarkable. StackBlitz's WebContainer technology runs a full Node.js environment in the browser using WebAssembly, which means Bolt can install npm packages, run build tools, start development servers, and preview applications — all without touching your local machine. Combined with Claude's code generation capabilities, this creates a zero-friction path from idea to working application.

Bolt has become the fastest way to prototype web applications. Designers use it to create interactive mockups, students use it to learn web development, and developers use it to quickly test ideas without the overhead of setting up a new project. The combination of AI code generation and browser-based execution is genuinely transformative.