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Turn ideas into
full-stack applications with AI.

Describe what you want to build. AI writes the code, picks the packages, and renders a live preview all inside your browser.

Press ⏎ to generate · Shift+⏎ for new line

No credit card required · 10 free generations on sign up

nexa.app/workspace

Chat

Build a kanban board with 3 columns and drag-and-drop

I'll build a Kanban board with Todo, In Progress, and Done columns. I'll use @dnd-kit/core for smooth drag-and-drop…

Ask AI to modify…
Todo3
In Progress2
Done1

Everything you need

From prompt
to production.

Instant generation

Describe your app in plain English. Gemini 3.5 Flash returns production-ready React + Tailwind code in seconds.

Live preview

Your app renders instantly in the browser via Sandpack. No install, no build step — just a working preview.

Full source code

Browse every generated file. Edit directly in the built-in editor and watch the preview update in real time.

Smart packages

AI picks the right npm packages. We validate them against the npm registry and filter hallucinated ones silently.

AI error recovery

When your preview throws an error, a banner appears. One click sends the error to AI and auto-fixes the code.

Image-aware prompts

Attach screenshots or mockups to your prompt. The AI reads them and generates code that matches your design.

How it works

Four steps
to a working app.

01

Describe your app

Type a prompt or pick a suggestion. Add screenshots for extra context.

02

AI generates code

Gemini writes React + Tailwind components, picks dependencies, and structures your files.

03

Preview & refine

See your app live instantly. Keep chatting to iterate — AI remembers the full conversation.

04

Export and deploy

Open in CodeSandbox, copy the source, and deploy to a live URL.

Simple pricing

Start free,
scale when ready.

No credit card required. Upgrade or downgrade anytime.

Free

Start building. No credit card required.

$0

Always free

10 generations / month
Live preview
Export to zip
Most popular

Starter

For developers who build regularly.

$9/mo

Only billed monthly

50 generations / month
Image uploads
Live preview
Export to zip

Pro

For power users who ship fast.

$29/mo

Only billed monthly

150 generations / month
Priority AI (faster response)
Live preview
Export to zip
Image uploads
Access to Forge Pro Agent

Start building,
for free.

Get 10 free generations on sign up. No credit card required.
Upgrade when you're ready.

Nexa - Asif Ahmed Sahil - 2026