Finding people online has never been easier thanks to OSINT (Open Source Intelligence) tools. Whether you’re doing digital investigations, verifying identities, or reconnecting with someone, these 10 websites can help you uncover valuable information legally and efficiently.
1. FamilyTreeNow
A free people-search engine focused on genealogy. It shows public records like addresses, relatives, and birth years.
How to use: Visit https://www.familytreenow.com/, type the person’s full name and state, and browse matching profiles.
2. InfoFlow Public People Search
A global directory that aggregates public data, including phone numbers, locations, and social media.
How to use: Enter a name or email on https://infoflow.cloud/ to reveal public details, especially useful for Latin American countries.
3. ThatsThem
One of the most popular free tools for reverse phone, email, and IP lookups.
How to use: Go to https://thatsthem.com/, enter what you know (name, email, phone, etc.), and filter results instantly.
4. ZoomInfo Directory
A professional people and company database used for B2B intelligence.
How to use: Create a free account on https://www.zoominfo.com/ to access company data, job roles, and LinkedIn-style profiles.
5. ZabaSearch
An old but powerful free people finder that pulls US public records.
How to use: Visit https://www.zabasearch.com/, type a full name and city/state, and it will list public addresses and phone numbers.
6. USSearch.com
A paid background check service offering detailed personal data reports.
How to use: Input a name on https://www.ussearch.com/; you’ll see basic results for free and can pay for deeper info (criminal, property, etc.).
7. Melissa Data – People Finder
A professional data verification tool used by companies and investigators.
How to use: Use https://www.melissa.com/ to search for people by address or name, and verify contact info using their lookup tools.
8. Advanced Background Checks
Provides free summaries and paid detailed reports about individuals in the U.S.
How to use: Visit https://www.advancedbackgroundchecks.com/, enter a name and state to explore possible matches.
9. SalesMaple Contact Search
A B2B intelligence platform to find business contacts, emails, and phone numbers.
How to use: On https://www.salesmaple.com/contacts/#!/, search by company or person name to discover verified professional contacts.
10. PeekYou
Specializes in finding people across social media, news, and blogs using usernames.
How to use: Head to https://www.peekyou.com/ and type the person’s name or username to find online profiles and mentions.
⚠️ Disclaimer
The websites mentioned above are for educational and ethical OSINT research only. Always respect privacy laws and use these tools responsibly. Do not use any information obtained from these sites for harassment, stalking, identity theft, or any illegal activities. The author is not responsible for the misuse of the data provided by these external platforms.