Bolt.new is an AI-powered full-stack web application builder created by StackBlitz. It allows users to build, run, edit, and deploy complete web applications directly in the browser using natural language prompts. Bolt.new uses WebContainers technology to run Node.js natively in the browser, enabling instant full-stack development without any local setup. It supports popular frameworks including React, Vue, Svelte, Next.js, and more. Users can describe their app idea in plain language and Bolt.new generates the complete frontend, backend, and database code in real time. The platform integrates with Supabase for databases and supports one-click deployment. Over 5 million users have signed up since its October 2024 launch, with over 1 million websites built and deployed. Bolt.new reached $40 million ARR by early 2025. Pricing starts at $20/month with a free tier available.