30 tools
Email search and verification tools help you confirm whether an address is valid, discover the accounts and services linked to it, guess likely address formats for an organization, and check whether it appears in known data breaches. They are essential for lead verification, fraud prevention, recruiting outreach, and investigations, since an email address is one of the strongest pivot points connecting a person's scattered online activity.
When choosing a tool, look for accurate deliverability checks, breach-database coverage, and the ability to pivot from an email to social profiles and usernames. Handle any personal data you uncover lawfully and in line with privacy rules such as GDPR. To confirm the person behind an address, pair results with a reverse face search, and read our guide to the best email OSINT tools.
Search for accounts associated with a given email across various platforms.
DeHashed helps prevent ATO with our extensive data set & breach notification solution. Match employee and consumer logins against the world’s largest repository of aggregated publicly available assets
Improve deliverability, reduce bounce rates, prevent fraud and minimize funnel leaks.
is a website that allows you to find email address formats used by different companies.
a powerful tool designed to aid professionals in generating a range of potential email addresses for a specific contact.
is an email address verification platform that will check whether a given email address exist or not.
Investigate Google emails and documents.
Node.js tool to scan GitHub repositories for exposed email addresses and names.
Password Breach Hunting and Email OSINT, locally or using premium services. Supports chasing down related email.
Search across multiple data breaches to see if your email address has been compromised.
allows you to check if the mail is used on different sites like twitter, instagram and will retrieve information on sites with the forgotten password function.
Hunter lets you find email addresses in seconds and connect with the people that matter for your business.
Indexes darknet-exposed infostealer logs and makes them searchable and actionable for security teams, investigators, researchers, and digital forensics professionals.
Data Breach Search Engine with 7.5B+ entries collected from more than 3000 databases. Search by e-mail, username, keyword, password or corporate domain name.
Scans for compromised emails and domains in stealer logs, offering proactive breach prevention and real-time alerts.
hunt for emails and improve your email deliverability
Email search tool that finds and aggregates data on a target email from over a hundred websites.
MultiRBL Valli checks if an IP or domain is listed on multiple public RBLs (blacklists) simultaneously.
Free online tools to investigate/troubleshoot email server issues.
OSINT Eye: A WPF Desktop Application for GitHub Intelligence, Social Media Reconnaissance, and Subdomain Discovery
is a tool that allows you to discover business email addresses for users, even if their email address may not be publicly available or shared.
a provider of identity solutions.
Real-time email verification API, written in Rust, 100% open-source.
Search for publicly available data linked to an email address across multiple sources on the internet.
Find email addresses on any website.
Lookup Reputation Checker.
Reverse Email Lookup.
Find Anyone’s Email Address in Seconds.
The fastest and most accurate email verification tool.
Find anyone's contact information for lead research or talent acquisition.
They query platforms and password-reset flows to see whether an email is registered, search public profiles and breach datasets, and match the address to social or professional accounts. Some also validate deliverability by checking the mail server. Results reveal where an address is used online, which helps map a person's footprint and spot fake contacts.
Yes. Breach-lookup tools compare an address against large databases of leaked credentials and tell you which breaches it appeared in. This is useful for personal security and for assessing risk when vetting someone. Never use exposed passwords to access accounts, that is illegal, use the information only to warn people or improve defenses.
Searching public data tied to an email is generally lawful, but processing personal data can trigger privacy laws like GDPR or CCPA depending on your purpose and location. Collect only what you need, have a legitimate basis, and secure the data. Use email research for verification and fraud prevention, not harassment or unsolicited bulk contact.
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