The email finder that actually works

Hunter.io is the go-to tool for finding professional email addresses. Type in a domain name and it shows you the email pattern and specific addresses for people at that company. With 100M+ verified email addresses in its database, it's the most reliable email finder on the market.

Who it's for: B2B sales teams, recruiters, PR professionals, and link-building specialists who need to find and verify professional email addresses at scale.

Key features

Finder Email Finder

Search by domain to find all email addresses at a company. Or find a specific person's email by name + company. Pattern-based guessing with verification confirmation.

Verify Email Verifier

Check if an email address is deliverable before you send. Checks SMTP, catch-all domains, and mailbox existence. Reduces bounce rates to near zero.

Campaigns Outreach Campaigns

Send cold email sequences directly from Hunter. Schedule follow-ups, track opens and clicks, and manage replies — no separate tool needed.

API API & Extensions

REST API for bulk lookups. Chrome extension for finding emails while browsing LinkedIn or company websites. Zapier and Make integrations.

The honest take

✓ What works

Highest email accuracy rate in the industry (95%+ verified)
Clean, fast interface — find an email in seconds
Chrome extension works great on LinkedIn profiles
Free tier with 25 searches/month is generous
Bulk verification saves hours of manual work

✗ What doesn't

Email campaigns feature is basic compared to Lemlist/Instantly
Pricing scales fast — $34/mo for 500 searches, $104/mo for 5K
Database has gaps for smaller companies and non-US markets
No built-in CRM — need to export or integrate
LinkedIn extension sometimes gets flagged by LinkedIn

Verdict

Hunter.io is the best email finder on the market. If you do B2B outreach, recruitment, or PR, it's an essential tool. The email verification alone is worth the price — reducing bounce rates from 15% to under 2% protects your sender reputation. Skip the built-in campaigns feature and pair it with a dedicated cold email tool.

💡 Transparency: This review contains affiliate links. If you sign up through our link, we may earn a commission at no cost to you. We only recommend tools we use ourselves. Full disclosure.