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Supercharge Your Pipeline
with Free Lead Gen Tools

Powering the next generation of SDRs with instant data clarity. No credit card, no registration required.

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Single Email Verifier

Checks the address format, disposable domains and whether the domain has a mail server (MX). The full mailbox check (mails.so) runs on the files you upload in your account.

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CSV Health Analyzer

Upload a sample of your lead list: the first 20 rows are checked for missing or malformed emails, disposable domains and domains without a mail server.

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Drag & Drop CSV
Max 20 rows for public analyzer
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Find Leads with AI

Search a business directory by type and city — e.g. “dentists in Tallinn” — and get each result with an AI match score. Needs a free account: 1 credit per new search, 500 free credits to start.

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Ready for more?

Create a free account: 500 free credits to check and AI-score your lead lists, and push the best leads to HubSpot, Pipedrive and more. You pay only for Hot and Warm leads.