Best Free UI Generation AI tools

Sleek generates mobile app mockups from text prompts or images, offering templates, style presets, in-app editing, and modular responsive components. Export clean layouts to Figma or production-ready code for rapid prototyping and developer handoff.

Supernova.io is an AI collaborative workspace enabling product teams to prototype, manage design systems, sync tokens, convert Figma prototypes into production-ready components and code, and maintain searchable documentation, governance, and integrations for cross-team alignment.

Screenshot-to-Code is a tool that converts website or app screenshots and screen recordings into production-ready, interactive front-end code. It generates framework-agnostic HTML/CSS and component code for React, Vue, Tailwind, Bootstrap, and Ionic, while allowing iterative refinement through plain-English prompts.

Components AI is an open‑source, no‑code platform that lets designers build responsive components and sites with visual generative modules. It provides theme‑based design tokens, 1000+ fonts, variable‑font control, export to React, SVG, CSS, and one‑click publishing with built‑in accessibility checks.

CandyIcons uses AI to turn keyword prompts into custom app icons across diverse styles—retro, neon, 3D, watercolor, etc.—with real‑time preview, color palette selection, and export to PNG, SVG, iOS/macOS asset sets, or favicons for developers and designers.

ThemeAI is a Figma plugin powered by GPT-4 that provides access to an extensive library of AI-enhanced web design themes, enabling users to explore, create or select from community-generated options, featuring AI-generated color schemes and templates.

LangUI is an open‑source Tailwind CSS component library with 60+ ready‑made, responsive components in dark/light modes. Zero dependencies, simple copy‑paste, customizable slate/blue palette, MIT‑licensed, community‑driven, supports rapid AI UI prototyping.

Figma Autoname automatically renames non‑component layers in bulk, preserving existing component names. It supports custom naming rules via Teachable Machine models, streamlines design workflows, and maintains consistent naming across files.

OpenUI simplifies UI component creation by allowing instant visualization of changes. It supports HTML to React, Svelte, and Web Components conversion, aiding in rapid prototyping and testing. Developed by W&B, it's part of their next-gen tooling for LLM-based applications.

UI Root is a collaborative design tool for UX/UI professionals, featuring reusable components, extensive libraries, and animation tools. It enhances teamwork by facilitating sharing and feedback, supporting both individual and team projects for streamlined workflows.

UiMagic is an AI‑powered full‑stack builder that transforms text into responsive websites. It offers a visual editor, real‑time collaboration, and export options for developers and non‑technical users to prototype, deploy, and integrate projects quickly.