Uno Platform Hot Design — Visual Designer for Cross-Platform .NET Apps

The first agentic visual designer for cross-platform .NET applications.
Design instantly with an AI co-designer that builds your app in real time.
The Fastest Inner DevLoop
With Hot Design™, a single click turns a live, running app into a visual Designer. Another click, and you’re back in your app!
Productivity ofYOUR IDE
Develop using Visual Studio, VS Code or Rider – Hot Design™ works with all!
Transform your running app into a live design surface, then design it manually or with an AI agent.
Connect your UI to data sources through an intuitive visual interface. Hot Design makes data binding straightforward and visible, letting you see and adjust your data connections in real-time as you build your interface.
Harness AI Agents and MCP servers that understand your code and context and always keeps you in control.
Custom & 3rd Party Controls
Reuse UI components tailored to your needs while maintaining consistent look and behavior across platforms
Use your Favorite State Management
Easily consume real-time data while keeping UI logic separate from the core logic. Hot Design works with both MVVM and MVUX.
Make UI changes on the fly—all without restarting your app or losing state.
Deliver sharp, correctly sized images for every platform and resolution — automatically. Resizetizer handles asset generation for Android, iOS, WebAEasily apply predefined styles to enhance UI and UX across your app with just a few clicks—no coding needed.ssembly, and more, simplifying cross-platform design consistency.
Explore Layouts with a Single Click
Quickly test layout options and instantly visualize how your app adapts to different form factors.
One-click Dark and Light Mode
Easily toggle between light and dark mode to see how your app’s design adapts to different themes. Quickly test and ensure a consistent user experience across color schemes without extra effort.
Big, friendly community always ready to support you when you need it.
Design UI for a Remote Device
Design UI directly on a remote device or emulator, and perfect the user experience on real hardware. Instantly see and fine-tune changes on any device without the need for constant redeployment, saving precious time.
The Smart Property Finder allows you to quickly identify, modify, and bind the most important and frequently used UI properties without leaving the live design environment, saving time by avoiding the need to sift through hundreds of available properties.
Start free, upgrade based on your personal needs.
Build .NET apps with Hot Reload and give your AI agent a free MCP into your running app.
No credit card required.
Design UI live on the running app and let agents read its state — the full agentic .NET loop for one developer.
$39 USD billed monthly for 1 license
Everything in Community, plus
No credit card. Trial ends on Community license.
Everything in Pro plus Previews, Snippets and double the AI credits for teams shipping production apps.
$119 USD billed monthly for 1 license
Everything in Pro, plus
No credit card. Trial ends on Community license.
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