Overview
Pencil – Design on canvas. Land in code – is an AI-powered design canvas built directly into your IDE, so your UI and your code always stay perfectly in sync. Instead of jumping between design tools and engineering workflows, product teams can sketch, iterate, and ship from a single, developer-first environment.
Pencil uses agent-driven intelligence to translate visual layouts into production-ready code with pixel-perfect alignment. Designers can explore ideas on an infinite canvas, while engineers see instantly how those decisions map to components, tokens, and real project structure. Every change stays grounded in your existing codebase and tech stack, helping teams move faster without losing control over implementation details.
With live previews, layout suggestions, and smart refactors, Pencil eliminates the friction between design specs and actual UI code. It’s built for modern front-end workflows, supporting rapid prototyping, tight design–dev collaboration, and continuous iteration. Whether you’re refining a design system, implementing new product surfaces, or cleaning up legacy interfaces, Pencil keeps your canvas and your codebase aligned at every step.
For teams tired of static mockups and handoff docs, Pencil turns your IDE into a shared visual workspace where designs are always executable and code is always design-aware.
Pricing
Detailed plans have not been confirmed in our catalog. Check the official website for current limits and billing terms.
Visit WebsitePrices and limits may change. Confirm the currency, billing period, seat minimum and usage caps on the official website.
Use Cases
- Design and implement new product screens directly in your IDE, with AI generating layout-consistent, production-ready UI code as you iterate.
- Maintain and evolve a shared design system where visual tweaks on the canvas automatically map to tokens, components, and reusable patterns in code.
- Refactor legacy interfaces by visually rearranging layouts and letting Pencil suggest cleaner structure, modern patterns, and aligned styles.
- Run fast product experiments by sketching multiple variations on the canvas and instantly seeing each option as working UI in your codebase.
- Reduce design–dev handoff friction by giving both designers and engineers a common canvas that lives on top of the real project code.
Features
Agent-driven IDE design canvas
Pixel-perfect code alignment
One source for design and code
Design-system aware generation
Live preview inside your IDE
Smart layout and refactor suggestions
Works with existing front-end stack
Collaboration-ready for product teams
Reviews
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FAQ
What is Pencil and who is it for?
Pencil is an AI-powered design canvas integrated into your IDE that keeps UI design and front-end code perfectly aligned. It’s built for product teams—designers, front-end engineers, and UX developers—who want to design, prototype, and implement interfaces in a single workflow.
How does Pencil integrate with my existing codebase?
Pencil runs inside your IDE and connects directly to your existing project files, components, and styling system. Designs on the canvas are grounded in your repository structure, so generated code uses your real components, tokens, and conventions instead of a separate prototype.
Does Pencil replace traditional design tools like Figma or Sketch?
Pencil is not a one-to-one replacement for dedicated UI design tools. Instead, it bridges the gap between design and implementation by giving teams a shared, code-aware canvas in the IDE. Many teams use it alongside existing design tools to speed up implementation and keep specs and code in sync.
What technologies and frameworks does Pencil support?
Pencil is built for modern front-end stacks and is designed to work with existing component-based frameworks and styling systems. For the latest list of supported languages, frameworks, and IDEs, please refer to the official documentation on pencil.dev.
How is Pencil priced and can I try it before buying?
Pricing details for Pencil are not publicly listed and may vary by team size, usage, or plan. Visit pencil.dev to request access or contact the team for current pricing and trial options.