Vercel v0 - AI-Powered UI Generation Tool

What is v0

v0 is an AI-driven UI generation tool developed by Vercel. It generates React components from text prompts, instantly creating production-quality UI using shadcn/ui and Tailwind CSS.

Features

✓ Text-to-UI generation
✓ shadcn/ui compatible
✓ Tailwind CSS styling
✓ Code export
✓ Iterative improvement
✓ Responsive design

Basic Usage

Prompt Examples

Simple prompt:
"A login form with email and password fields"

Detailed prompt:
"A pricing page with 3 tiers (Basic, Pro, Enterprise).
Each tier should have:
- Name and price
- List of features with checkmarks
- A call-to-action button
Use a dark theme with purple accent colors."

Generated Code

// Example component generated by v0
import { Button } from "@/components/ui/button"
import { Card, CardContent, CardDescription, CardFooter, CardHeader, CardTitle } from "@/components/ui/card"
import { Check } from "lucide-react"

export default function PricingPage() {
  return (
    <div className="container mx-auto py-16">
      <h1 className="text-4xl font-bold text-center mb-12">
        Choose Your Plan
      </h1>
      <div className="grid md:grid-cols-3 gap-8">
        {/* Basic */}
        <Card>
          <CardHeader>
            <CardTitle>Basic</CardTitle>
            <CardDescription>For individuals</CardDescription>
          </CardHeader>
          <CardContent>
            <div className="text-4xl font-bold mb-4">$9/mo</div>
            <ul className="space-y-2">
              <li className="flex items-center gap-2">
                <Check className="h-5 w-5 text-green-500" />
                5 projects
              </li>
              {/* ... */}
            </ul>
          </CardContent>
          <CardFooter>
            <Button className="w-full">Get Started</Button>
          </CardFooter>
        </Card>
        {/* Pro, Enterprise... */}
      </div>
    </div>
  )
}

Effective Prompts

Specify Structure

"Create a dashboard layout with:
- A sidebar on the left with navigation links
- A header with search bar and user avatar
- Main content area with a grid of stat cards
- Use a clean, modern design"

Specify Style

"A product card component with:
- Image at the top (16:9 ratio)
- Product name and description
- Price with strikethrough for discounts
- Add to cart button
- Subtle shadow on hover
- Glassmorphism effect"

Specify Interactions

"A multi-step form wizard with:
- Step indicator at the top
- Previous/Next buttons
- Form validation
- Success state on completion
- Smooth transitions between steps"

Code Export

Import via CLI

npx v0 add <component-url>

Manual Copy

// Code copied from v0
// Install required shadcn/ui components
npx shadcn-ui@latest add button card

Iterative Improvement

Initial prompt:
"A user profile card"

Improvement prompt:
"Make the avatar larger and add a cover image at the top"

Further improvement:
"Add social media links as icons below the bio"

Integration with shadcn/ui

Project Setup

# Create Next.js project
npx create-next-app@latest my-app --typescript --tailwind

# Set up shadcn/ui
npx shadcn-ui@latest init

# Install components needed for v0 generated code
npx shadcn-ui@latest add button card dialog

Directory Structure

src/
├── components/
│   ├── ui/              # shadcn/ui components
│   │   ├── button.tsx
│   │   ├── card.tsx
│   │   └── ...
│   └── generated/       # v0 generated components
│       ├── pricing-page.tsx
│       └── ...
└── app/
    └── page.tsx

Use Cases

Prototyping

"A landing page for a SaaS product with:
- Hero section with headline and CTA
- Features grid with icons
- Testimonials carousel
- Pricing section
- FAQ accordion
- Footer with links"

Component Library

"Create a set of form components:
1. Text input with label and error state
2. Select dropdown with search
3. Date picker
4. File upload with drag and drop"

Layout Creation

"An admin dashboard layout with:
- Collapsible sidebar
- Breadcrumb navigation
- Data table with sorting and filtering
- Pagination"

Limitations

Notes:
- Complex logic needs to be added manually
- Data fetching is not included
- State management is basic only
- Animations are limited

Similar Tools

Summary

v0 is a tool that can rapidly generate UI using AI. It generates production-quality code based on shadcn/ui and Tailwind CSS, significantly improving efficiency in prototyping and component creation.