UI Design Tool

A free UI design tool for designers, teams, and developers to quickly sketch, prototype, and iterate interfaces for apps and websites.

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Total Calculations Run
< 15ms
Browser Execution Speed
100%
Client-Side Privacy
4.9 / 5.0
User Satisfaction
AI Web Tool Generator

Build Your Own Custom Web Calculator in Seconds

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About This Tool

The tool provides a cloud-based UI design workspace for creating wireframes, prototypes, and interface layouts without local software installation. It supports reusable components, responsive frames, and a shared project space that enables real-time collaboration across design and development teams.
Conceptually, interfaces are modeled as screens composed of blocks and controls. Prototyping links screens into flows, while a versioned component library maintains consistency across projects. Exports deliver design specs, assets, and handoff data suitable for developers.
Who benefits: product designers, UX researchers, frontend engineers, product managers, and startup teams seeking rapid ideation and iterative validation. Use cases include quick stakeholder reviews, multi-platform exploration, and maintaining a single source of truth for UI decisions.
Unique value: browser-based access requires no installation, with live collaboration, change history, and structured handoff artifacts. By centralizing designs and tokens, it reduces back-and-forth and accelerates delivery cycles while preserving clarity and consistency.

How to Use

  1. Create a new project and set target platform and initial canvas size.
  2. Add screens and drag-and-drop UI blocks to compose interfaces.
  3. Build a component library and link screens to define flows.
  4. Invite teammates for collaboration and iterate based on feedback.
  5. Export design specs, assets, and handoff data for development.
How to use free ui design tool

Frequently Asked Questions

Find Quick Answers

Is this tool free to use?
Yes. The platform offers a free tier with core UI design features suitable for individuals and small teams. Additional features and higher limits are available in paid plans.
Can I collaborate in real time?
Yes, multiple users can edit a project concurrently; changes sync in real time and a version history tracks all edits to revert or compare alternatives.
What can I export?
Exports include design specifications, assets (PNG/SVG), and developer handoff data in JSON. The export formats support integration with handoff tools and design-to-code workflows.
What platforms does it support?
The tool is browser-based and works on modern desktop browsers. It requires internet access; no desktop installation is needed.

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