Bolt.new is StackBlitz's AI-driven full-stack app builder, currently around #24 in real-world usage (roughly 2.3% share). It turns a text prompt into a running application directly in your browser using WebContainers technology, letting the AI install packages and edit files live with zero local setup.
📌 Quick facts
Type: AI app builder
Made by: StackBlitz
License: Freemium, web-based (token/credit-based pricing)
Platforms: Runs entirely in the browser — any OS
Primary use case: Prompt-to-full-stack-app generation in-browser
Key features
- Uses WebContainers to run a full Node.js environment directly in the browser — no local install
- The AI can install npm packages, edit files, and run the app live within the same session
- Full file-tree editing — you can drop into manual code edits alongside AI generation at any time
- One-click deploy integrations (for example, to Netlify)
- Supports popular frameworks out of the box (React, Vue, Astro, and more)
- Real-time preview pane runs alongside the generated code as it's written
Getting started
# Bolt.new is entirely web-based — no install needed
# 1. Go to bolt.new and sign in
# 2. Type a prompt describing the app you want built
# 3. Edit files directly or keep prompting for changes
🎯 Best for: rapid full-stack prototyping directly in the browser, when you want AI-generated code you can also hand-edit yourself, without setting up any local dev environment.