Detect Web Technology

Instantly discover the technologies, colors, and typography powering any website with a single click.

Detect Web Technology is a fast, lightweight, all-in-one Chrome extension built for developers, UI/UX designers, marketers, freelancers, and curious creators. Built on Chrome Manifest V3, it inspects web pages entirely locally in your browser—giving you an instant breakdown of the complete technology stack, an interactive Color Picker, and an in-depth Font Recognizer & Typography Inspector in one seamless interface. 🚀 Why use Detect Web Technology? ⚡ Instant Tech Stack Detection — Scan any page in seconds across 180+ technology signatures (CMS, frameworks, hosting, analytics, libraries, and CDNs) with zero lag. 🎨 Integrated Color Picker & Page Inspector — Pick pixels directly from the screen with the eyedropper tool or hover over any webpage element to inspect its exact computed background, text, and border colors. 🔤 Font Recognizer & Typography Inspector — Hover and click any text element to instantly reveal its font family, weight, size, line-height, letter spacing, and CSS rules. 🧪 Interactive Font Sandbox — Type custom text into the built-in live preview sandbox to test the detected font in real time. 📋 1-Click Exports — Copy detected technology stacks as clean Markdown for project audits, client proposals, or GitHub notes, and copy ready-to-use CSS rules for colors and typography. 💾 Color History & Favorites — Automatically save recently inspected colors and bookmark your favorite swatches in HEX, RGB, and HSL formats. 🏷️ Version & Confidence Indicators — View detected release versions and confidence levels whenever signals are exposed. 🔍 Search & Filter — Instantly filter detected technologies by name or category. 🌓 Dark & Light Modes — Clean, modern interface designed to look great in both dark and light environments. ⏸️ Pause & Rescan Controls — Temporarily pause the scanner anytime or re-scan dynamic single-page applications (SPAs) on demand. 🔒 100% Private by Design — Runs completely offline in your browser. No tracking, no external servers, and no browsing history collected. 🔍 What can it detect & inspect? 1. Web Technologies & Infrastructure - Detect Web Technology identifies the technologies powering a website, including its CMS, page builders, JavaScript frameworks and libraries, CSS and UI frameworks, e-commerce and payment systems, analytics and tag managers, hosting, CDNs and web servers, SEO tools, animation libraries, and developer tools. 2. Colors & Styles - Screen pixel color sampling (Eyedropper) - Computed element colors (Background, Text, Border, Outline) - Formats supported: HEX, RGB, and HSL - Swatch history and custom favorites palette 3. Fonts & Typography - Font family fallback chain - Font size, weight, line-height, letter-spacing, and text-transform - Live interactive preview with custom text input - Instant "Copy Full CSS" block for fast developer handoff 🔒 Privacy first Your privacy is paramount: - No account or sign-in required - Zero remote analysis servers — all detection happens strictly on your machine - No browsing history collection or external telemetry - No ads, third-party analytics, or data sharing - Local settings and palettes stay in your browser storage 📖 How to use 1. Scan Technologies: Open any website and click the Detect Web Technology extension icon. Browse detected technologies, check versions, filter by keyword, or click Copy for a Markdown summary. 2. Inspect Colors: Switch to the COLOR tab. Click Pick Color to sample any pixel on your screen, or click Inspect Page Color to hover and click any element to read its computed color palette. 3. Inspect Fonts: Switch to the FONTS tab. Click Inspect Font, hover over any text on the webpage, and click it to inspect typography details, test sample text, and copy generated CSS. 👨‍💻 About the Developer You bring the idea. I turn it into a digital product that works. With 5+ years of experience, I’ve worked with founders, brands, and agencies worldwide, turning rough ideas into 150+ digital products that are fast, user-friendly, visually polished, and built to support real business goals. With a background in Business IT, I focus on more than design and code—I build solutions that solve real problems and support business goals. Portfolio: [sahedalomsumit.com](https://sahedalomsumit.com) ⭐ -If you find Detect Web Technology helpful for your workflow, please consider leaving a 5-star review on the Chrome Web Store!