New: AI-powered design assistant

Design at the
speed of thought

Create stunning interfaces, prototypes, and design systems with our powerful visual editor. Built for designers, developers, and teams who ship fast.

Trusted by teams at

VERCEL
STRIPE
LINEAR
GITHUB
coolsite.design/dashboard
Components
Styles
Layout
Interactions

Properties

Width 320px
Height 240px
Real-time collaboration

Lightning Fast

Real-time rendering with instant updates. No more waiting for builds or refreshes.

Team Collaboration

Work together seamlessly with real-time multiplayer editing and comments.

Export Anywhere

Generate production-ready code for React, Vue, HTML/CSS, and more.

Everything you need

Powerful features
for every workflow

From concept to production, CoolSite provides all the tools you need to create exceptional digital experiences.

Smart Components

Build once, use everywhere. Create intelligent components that adapt to different contexts and maintain consistency across your designs.

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AI Assistant

Let AI help you design faster. Generate layouts, suggest improvements, and automate repetitive tasks with our intelligent design assistant.

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Version Control

Never lose work again. Built-in version control lets you experiment freely, compare iterations, and collaborate with confidence.

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Responsive Design

Design for every screen size. Preview and optimize your designs across desktop, tablet, and mobile with real-time responsive editing.

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Interactive Prototypes

Bring your designs to life. Create interactive prototypes with animations, transitions, and micro-interactions without code.

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Global CDN

Lightning-fast delivery worldwide. Share your designs instantly with stakeholders and clients through our global content delivery network.

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Customer stories

Loved by
thousands of creators

"CoolSite transformed our design workflow completely. What used to take weeks now takes days. The AI assistant is like having a senior designer on the team 24/7."
Alex Chen
Alex Chen
Lead Designer, TechCorp
"The collaboration features are incredible. Our entire team can work on designs simultaneously without any conflicts. Game changer for remote work."
Sarah Williams
Sarah Williams
Creative Director, StartupXYZ
"Code export quality is phenomenal. We go from design to production in minutes, not hours. The generated code is clean and developer-friendly."
Marcus Rodriguez
Marcus Rodriguez
Frontend Developer, WebStudio
Ready to get started?

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your next big idea

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