Bolt.new

Bolt.new is StackBlitz's AI-powered full-stack development environment that runs entirely in your browser. Describe an app, watch it build in real-time, then deploy instantly. No local setup, no configuration, just prompt and ship.

Why Use Bolt.new

Instant Dev Environment: Zero setup. No Node.js install, no dependencies, no configuration. Open a browser tab and start building.

AI Builds Full-Stack Apps: Prompt for a complete application and watch as Bolt scaffolds the frontend, backend, database, and deploys it—all while you watch.

Live Preview: See your app running as the AI writes code. Every change appears instantly in the preview.

WebContainer Technology: Real Node.js environment in your browser. Full npm packages, file system, terminal—all running client-side.

Key Features

• AI Code Generation - Build apps from prompts
• Live Preview - See changes instantly
• Full Terminal - Real bash terminal in browser
• npm Packages - Install any package
• File System - Full read/write access
• Git Integration - Commit and push to GitHub
• Instant Deploy - One-click to production
• No Setup - Runs entirely in browser
• Share Projects - Send anyone a link

Pricing for Solo Builders

Free Tier:

• Unlimited projects
• Full AI features (with limits)
• Deploy to stackblitz.com
• Public projects only
• Community support

Pro ($20/month):

• More AI generations
• Private projects
• Custom domains
• Priority support
• Advanced features

Reality: Free tier is generous for experimentation. Upgrade for serious projects.

Perfect For

• Quick Prototypes - Test ideas in minutes
• Code Tutorials - Run examples instantly
• Interviews - Live coding without setup
• Client Demos - Show working apps immediately
• Learning - Experiment without fear of breaking things
• Travel Coding - Work from any device with a browser
• Open Source Demos - Share runnable examples

How It Works

1. Visit bolt.new
2. Describe your app: "Build a task manager with drag-and-drop"
3. Watch it build: AI writes code in real-time
4. See it run: Live preview updates as code is written
5. Deploy: One click to production

The entire flow takes minutes.

Example Prompts

"Create a blog with markdown support and dark mode"

"Build a calculator with scientific functions"

"Make a weather app using OpenWeather API"

"Create a Trello clone with drag-and-drop boards"

"Build a URL shortener with analytics"

Bolt understands and builds complete applications from these prompts.

What Makes Bolt Different

Runs in Browser: No local setup needed. Everything happens client-side using WebContainer technology.

Full Node.js: Not a simulator. Real Node.js, real npm, real file system—in your browser.

Instant Deploy: From code to production URL in seconds.

AI That Understands: Not just code completion. Bolt understands full-stack architecture.

WebContainer Technology

StackBlitz's breakthrough: Node.js running in your browser.

How it works:

• Full Node.js runtime compiled to WebAssembly
• Runs entirely client-side
• No server needed
• Instant startup
• Full file system access

This is what makes Bolt possible.

Bolt vs Lovable

Choose Bolt if you:

• Want to code in the browser
• Need instant prototyping
• Like seeing code written in real-time
• Want to experiment quickly
• Need no setup whatsoever

Choose Lovable if you:

• Want polished production apps
• Need custom domains on free tier
• Prefer a more guided experience
• Want to export and self-host
• Building an actual business

Bolt is for speed and experimentation. Lovable is for MVPs.

Bolt vs Replit

Bolt:

• AI-first
• Runs in browser (no server)
• Instant startup
• Better for frontend

Replit:

• Multiplayer collaboration
• More languages supported
• Better for backend/systems
• Established platform

Bolt is newer but AI-native.

Real-World Use Cases

Live Interviews: Code together with candidates without setup hassles

Client Presentations: Show working prototypes instantly, make changes live

Teaching: Students run examples immediately without installation issues

Rapid MVPs: Test business ideas in an afternoon

Open Source Demos: Share runnable examples in README files

Portfolio Projects: Build and deploy side projects from a phone

Supported Technologies

Frontend:

• React, Vue, Svelte, Angular
• Next.js, Vite, Astro
• Tailwind CSS, Bootstrap
• TypeScript

Backend:

• Node.js, Express
• Fastify, NestJS
• Serverless functions
• REST APIs

Databases:

• SQLite (in-browser)
• External APIs
• Firebase, Supabase integration

AI Features

Smart Scaffolding: Bolt sets up proper project structure automatically

Error Fixing: AI detects and fixes bugs as they appear

Feature Addition: Add features conversationally

Refactoring: Request code improvements in plain English

Documentation: AI explains code it writes

Instant Deployment

Code ready → Click Deploy → Live URL in seconds

Your app is hosted on StackBlitz's infrastructure:

• Automatic HTTPS
• Global CDN
• Instant updates
• Shareable URLs

Collaboration

Share Projects: Send a link, anyone can view and remix

Live Coding: Multiple people can watch as you code

Embed Anywhere: Embed running projects in blog posts, docs, GitHub

Fork and Remix: Anyone can fork your public projects

Tips for Success

Be Specific: "Create a todo app with local storage and dark mode" works better than "make a todo app"

Iterate: Start simple, add features incrementally

Use the Terminal: Install packages, run commands—it's a real terminal

Check the Preview: The live preview is your feedback loop

Save to GitHub: Connect GitHub to save your work

Learn by Doing: Fork existing projects to see how they work

Limitations

Browser-Based: Compute happens on your device. Heavy operations may be slow

No Backend Persistence: Databases are ephemeral unless you use external services

Free Tier Limits: AI generations limited on free plan

Public by Default: Free projects are public (Pro for private)

Not for Production: Great for prototypes, but serious apps need proper hosting

When to Use Bolt

Perfect For:

• Prototyping ideas quickly
• Learning new frameworks
• Live coding demos
• Quick experiments
• Sharing code examples
• Hackathons
• Educational content

Not Ideal For:

• Production applications
• Apps with heavy compute
• Projects needing private databases
• Enterprise applications
• Long-term hosting

The Solo Builder Workflow

1. Idea: Think of a feature or app
2. Prompt: Describe it to Bolt
3. Build: Watch it generate code
4. Test: Use the live preview
5. Iterate: Ask for changes
6. Share: Deploy and send the link

Go from idea to deployed demo in under an hour.

Integration with Your Workflow

GitHub: Save projects to repositories

VS Code: Export and continue locally

APIs: Connect to external services

npm: Full package ecosystem available

Environment Variables: Configure API keys securely

Learning and Experimentation

For Beginners: See how apps are built in real-time

For Experts: Test new libraries instantly

For Everyone: Experiment without commitment

Bolt makes learning by doing frictionless.

Bolt + ChatGPT Workflow

Use ChatGPT for planning, Bolt for building:

1. Describe your idea to ChatGPT
2. Get architectural advice
3. Ask for component structure
4. Paste prompt into Bolt
5. Let Bolt build it

Combine planning AI with building AI.

The StackBlitz Ecosystem

WebContainers: Run Node.js in browser

Bolt.new: AI app builder

StackBlitz Editor: Full IDE in browser

Codeflow: GitHub integration

All working together for browser-based development.

Privacy & Security

Code in Browser: Your code never leaves your device (unless you deploy)

No Server Execution: Everything runs client-side

Secure by Default: HTTPS, sandboxed environment

Data Control: You own everything you create

Mobile Development

Works on Tablets: iPad with keyboard is surprisingly good

Not Great on Phones: Tiny screens make coding hard

Chromebooks: Perfect for Chromebook development

Any Browser: As long as it's modern and fast

The Future of Coding?

Bolt represents a new paradigm:

• No local setup
• AI as primary interface
• Instant deployment
• Code anywhere

This might be how we all code in 5 years.

Getting Started

1. Go to bolt.new (no signup required)
2. Type a prompt describing an app
3. Watch the magic happen
4. Play with the live preview
5. Iterate with more prompts
6. Deploy when ready

That's it. Seriously.

Free vs Pro Decision

Stay Free if you:

• Building publicly
• Experimenting casually
• Learning and prototyping
• Occasional use

Upgrade to Pro if you:

• Need private projects
• Building real products
• Using AI heavily
• Want custom domains
• Serious about shipping

For most solo builders starting out, free is enough.

The Verdict

Bolt.new is revolutionary. The ability to prompt an app into existence and see it running instantly, all in your browser, feels like science fiction.

It's not perfect for production apps, but for prototyping, learning, and demos, it's unbeatable. The zero-setup nature means you can build from anywhere on any device.

For solo builders, Bolt is the fastest way to validate ideas. Spend an hour building instead of a week setting up. If the idea works, rebuild it properly. If it doesn't, you've lost an hour instead of a month.

The future of development is AI-native and browser-based. Bolt.new is that future, available today. Try it once and you'll see why it's exciting.

Open bolt.new, type an idea, and watch it become reality. That's the magic.