Ful.io - Technology Profiler and lookup by Ful.io

Instantly see every technology powering any website you visit. Powered by Ful.io.

🔍 Ever wondered what technology stack a website is running? Ful.io Technology Profiler gives you instant, deep visibility into the tools, frameworks, and services behind any website, right from your browser.

⚡ Open the extension on any tab and within seconds you get a full breakdown of the technologies detected, organized by category: analytics, ecommerce, hosting, CDN, JavaScript libraries, payment processors, security tools, and more.

What you get:
🌐 Browse to any website and click the extension. No setup, no accounts, no configuration required.

📂 See technologies grouped by category with their icons and direct links to learn more about each one.

🔗 Click any technology or category to explore it further on Ful.io, where you can discover which other websites use the same stack.

📊 Export the full technology list as a CSV file in one click, useful for research, sales prospecting, and competitive analysis.

🌙 Switch between light and dark mode to match your preference.

Who is this for:
🎯 Sales and growth teams researching prospect technology stacks before outreach. Developers benchmarking tools and discovering what the best sites in their industry are built on. Marketers and analysts doing competitive research. Anyone curious about what is running under the hood of a website they visit.

🏢 Built and maintained by the team at Ful.io, a web technology intelligence platform trusted by professionals worldwide.