# UXUI Principles

> Catch AI design mistakes before your users do.

- **Website**: https://uxuiprinciples.com
- **Uneed Page**: https://www.uneed.best/tool/uxui-principles
- **Pricing**: Freemium
- **Category**: Design
- **Tags**: Design, Development, Education
- **Submitted by**: @uxuiprinciples
- **Launch Date**: 2026-07-11
- **Social Links**: [Twitter](https://x.com/uxui_principles) | [LinkedIn](https://www.linkedin.com/company/uxuiprinciples/) | [GitHub](https://github.com/uxuiprinciples)

## About

Free AI-powered tools to validate designs against 168 research-backed UX principles.

Cursor, v0, and Claude generate beautiful interfaces but silently break UX fundamentals. Hick's Law violations, cognitive overload, missing feedback loops.

5 free tools, no signup required:

- AI Design Validator -- paste your design decisions, get matched principles with citations

- UX Smell Detector -- 8 anti-patterns with step-by-step refactoring recipes

- Flow Checklists -- pre-flight and post-flight checks for SaaS, e-commerce, dashboards

- AI Prompts Library -- 600+ research-backed prompts for Cursor, v0, Claude

- Parts Checklist -- component-level validation across 6 design domains

Backed by 2,098+ peer-reviewed academic citations. Bilingual (EN/ES). The Principles Library ($29/yr) unlocks all 168 principles with full examples, anti-patterns, and AI prompts.