Find out Email Addresses of Any Website
1.2 Billion+ Emails | Unlimited Extension Use | API Access

Ful.io Email Finder Extension
Find Emails with Ease
Discover email addresses effortlessly with our powerful website Search, which scans the web to bring you publicly available email contacts along with their verified sources and discovery dates.
Accurate & Transparent: Access reliable email addresses with verified sources and discovery dates, ensuring credibility.
Fast & Efficient: Get the information you need in seconds with our optimized search technology.
Seamless Integration: Use our API to automate email discovery and streamline your workflow.
Unlimited Access: Enjoy unrestricted searches with any plan you choose, making it easier to scale your outreach.
Trusted by Businesses of All Types Worldwide





These web technologies quickly became a game-changer for our business. Lead generation projects that used to take a whole team are completely automatic now. We were able to segment traffic based on location, identify more prospects, and onboard more clients. I can't say enough good things about Ful.io
Todd Dunsmore
Doja Marketing/Defi Founder
Ful.io's apps and tools have completely changed the way we look at traffic and identify prospects. Before, our R&D team tried BuiltWith, then worked to develop our own technology. But with Ful.io, we can save both time and money.
Robert Kaene
The Wednesday Club
We're always looking for new ways to boost our advertising efforts and analyze websites to improve our processes. Ful.io has been a perfect partner throughout. We've been able to discover more valuable data on prospects than we ever did on our own.
Mad Singers
SEO Mastery Summit
Any ecommerce platform not using Ful.io's technologies is seriously missing out. The crawling tool at Ful.io is the best we've used so far. We love that you can pull it up right in the Chrome browser too. Location, contact info, RSS, the speed we can draw in new clients now... Ful.io is amazing
Yana L
SEO Consultant
Companies need an edge, and Ful.io provided that edge for us. We'd previously used BuiltWith, but the data and analytics capabilities of Ful.io were a better fit for us.
Nicholas Altimore
Sirlinksalot
We used to manually upload contact details and other data, but it took way too long. We needed a solution that could automate the process and free up resources. Ful.io just works for us. Their technology is incredible.
Chris Richards
Utterly DigitalStart Growing Your Business with Fulio Today
Generate high-quality leads and supercharge your existing data with our powerful, easy-to-use API.