How Was This Built?

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Overview

Understand how any website is built. Get AI-powered explanations of tech stacks, architecture, design systems, and UX patterns.

How Was This Built? helps you understand the technology behind any website. FEATURES: • One-click analysis of any website • Explains tech stack, architecture, design system, and UX patterns • Adapts explanations to your skill level (Beginner to Developer) • Follow-up chat to ask questions about the analysis • Detects frameworks: React, Vue, Next.js, Tailwind, and more • Extracts color palettes, fonts, and button styles HOW IT WORKS: 1. Click the extension icon on any website 2. Enter your free OpenRouter API key (one-time setup) 3. Get instant AI-powered analysis PRIVACY-FIRST: • 100% local storage - no accounts, no tracking • Bring Your Own API Key (BYOK) - you control costs • No data stored on our servers REQUIREMENTS: • Free OpenRouter API key (get at openrouter.ai/keys

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Details

Version
0.5.1
Updated
December 26, 2025
Flag concern
Size
1.5MiB
Languages
2 languages
Developer
Email
zev.arnovitz@gmail.com
Non-trader
This developer has not identified itself as a trader. For consumers in the European Union, please note that consumer rights do not apply to contracts between you and this developer.

Privacy

The developer has disclosed that it will not collect or use your data. To learn more, see the developer’s privacy policy.

This developer declares that your data is