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Compare tools

Side-by-side features, use cases and pricing — because the right pick depends on your job and budget, not just the ranking.

CSS Picker logo
CSS Picker
✓ verifiedFreemium

Browser extension and AI generator that copies CSS from any site and turns designs or screenshots into code.

30K visits/mo
MarsCode logo
MarsCode
✓ verifiedFree

AI-powered IDE with code completion, generation, explanation and debugging, plus a cloud dev environment, for developers.

69K visits/mo
Cody logo
Cody
✓ verifiedPaid

Enterprise AI coding assistant that pulls context from an entire codebase to power chat, code edits and debugging.

245K visits/mo
v0.dev logo
v0.dev
✓ verifiedFreemium

Vercel's AI app builder that generates and deploys full-stack React web apps and UI components from natural-language prompts.

176K visits/mo
Firebase Studio logo
Firebase Studio
✓ verifiedFree

Browser-based AI dev workspace by Google for full-stack apps; being sunset on 22 Mar 2027, no new workspaces.

531K visits/mo
Pricing
Free: $0 (limited credits)
Monthly: $19.99/mo (unlimited generations)
Yearly: $89/yr
Lifetime: $150 one-time

No public pricing

Enterprise: starting at $16K (includes AI feature credits, scales with team size)
Free: $0/mo ($5 included monthly credits, 7 messages/day limit)
Team: $30/user/mo ($30 included monthly credits per user)
Business: $100/user/mo ($30 included monthly credits per user, training opt-out by default)

No public pricing

Core features
  • Copy CSS/HTML from any website
  • Image and screenshot to code
  • AI React and HTML generators
  • Framework conversion (React, Tailwind, Vue)
  • Interactive editor with live preview
  • Free HTML-to-JSX and CSS-to-Tailwind tools
  • AI code completion and snippet generation
  • Natural-language code generation
  • Code explanation and AI Q&A
  • Automated bug detection and fixes
  • Zero-config cloud development environment
  • Project creation from templates or Git
  • Codebase-aware developer chat
  • AI code completions and inline edits
  • Customizable and shareable prompts
  • Automatic bug identification and debugging help
  • Context filters to exclude sensitive repos
  • Integrates with major code hosts and IDEs
  • Prompt-to-app generation of full-stack web applications
  • One-click deployment to Vercel hosting
  • GitHub sync for pushing generated code to a repository
  • Visual design mode for fine-tuning generated UI
  • Prebuilt templates for apps, dashboards and landing pages
  • Agentic building with automatic database and API connections
  • iOS app for building and editing on mobile
  • Cloud workspaces for full-stack development
  • App Prototyping agent from natural language
  • Gemini AI for coding, debugging and docs
  • Repo import from GitHub, GitLab and Bitbucket
  • Web previews and Android emulators
  • Deploy to Firebase App Hosting, Hosting or Cloud Run
Use cases
  • Cloning UI elements from live sites
  • Turning mockups into code
  • Generating React components fast
  • Converting CSS to Tailwind
  • Writing and completing code faster with AI
  • Onboarding to unfamiliar codebases
  • Debugging and optimizing code
  • Spinning up dev environments in the browser
  • Engineers asking questions about an unfamiliar large codebase
  • Teams standardizing common coding tasks with shared prompts
  • Developers debugging errors faster with AI-assisted context
  • Enterprises running large-scale code migrations
  • Developers rapidly prototyping and deploying web apps
  • Teams generating UI components and design systems from prompts
  • Non-technical founders building MVPs without writing code
  • Students and hobbyists building and publishing small projects
  • Prototyping apps from a prompt or mockup
  • Building full-stack apps in the browser
  • Collaborating and sharing preview URLs
  • Deploying and monitoring apps quickly
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