New Playbook: Cold Email Infrastructure Setup Guide

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The Best Free Email Finder Tool That Actually Delivers

Most free email finders cap you at 10-50 searches with 80% accuracy. Mailsfinder gives you free credits with the same 99% SMTP-verified accuracy our paying customers get. No credit card required.

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bolt 99% Verified Accuracy

Trusted by 5,000+ Modern Revenue Teams

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Why Mailsfinder Is the Best Free Email Finder

Free shouldn't mean inaccurate. Our free tier uses the same multi-step SMTP verification as our enterprise plans.

person_search

Free Single Search

Find any professional's email for free. Enter name + domain, get a verified result. Same 99% accuracy as paid plans — no downgrade.

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Free Bulk Finder

Upload a small CSV to test our bulk finder with free credits. See the speed and accuracy before committing to a paid plan.

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Free API Testing

Test our API endpoints with free credits. See 200ms response times and JSON output before integrating into your stack.

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How Our Free Email Finder Works

Same engine. Same accuracy. Same speed. The only difference between free and paid is volume.

01
input

Input Data

Provide a name and company domain — single or bulk CSV upload.

02
database

Multi-Source Search

We query premium data providers and public records in real-time.

03
verified_user

SMTP Verification

Multi-step SMTP handshake, MX record check, and pattern analysis.

04
analytics

Confidence Score

Verified result with accuracy score, ready for your CRM or outreach tool.

Free Credits, Real Results

We don't believe in crippled free tiers. Your free credits use the same real-time SMTP verification that powers Fortune 500 outreach teams. Test at real scale before you buy.

1

Sign Up for Free

Create your account with just an email address. No credit card required.

2

Use Your Free Credits

Test single search, bulk CSV upload, or API endpoints with your free credits.

3

See the Results, Then Decide

Experience 99% accuracy firsthand. Upgrade only when you're ready for more volume.

Free vs Paid: Same Quality, Different Volume

Every tier uses the same real-time SMTP verification engine. The only difference is how many credits you get.

Free
Free Credits
99%
Same Accuracy
$0
No Credit Card
200ms
API Latency
Feature Free Credits Pro ($49/mo) Agency ($99/mo) Lifetime ($249)
Credits Free on signup 10,000/mo 100,000/mo 300,000 (never expire)
Verification Accuracy 99% 99% 99% 99%
Single Email Finder check_circle check_circle check_circle check_circle
Bulk CSV Upload check_circle check_circle check_circle check_circle
API Access check_circle Limited check_circle check_circle
Credit Card Required No Yes Yes Yes

Built for Growth Engineers

A simple, powerful API that turns a name and domain into a verified lead. Programmatic outreach at its most efficient.

api

Native REST

JSON responses for easy parsing. 200ms latency.

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n8n & Make

Pre-built blocks for low-code automation.

sync

Zapier

Connect 5,000+ apps in seconds.

security

GDPR Ready

Compliance-first data sourcing.

cURL Request

curl --request POST \

--url https://api.mailsfinder.com/v1/find \

--header 'Authorization: Bearer YOUR_KEY' \

--data '{

"full_name": "Sarah Johnson",

"domain": "salesforce.com"

}'

Who Benefits From a Free Email Finder?

person

Freelancers

Find client prospects without upfront costs. Upgrade only when you see results.

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Startups

Validate your outbound strategy with free credits before investing in a plan.

school

Students & Researchers

Find professional contacts for academic research or job searching.

groups

Small Teams

Test Mailsfinder's accuracy with your real prospect list — free.

Frequently Asked Questions

Is Mailsfinder's free email finder really free? expand_more
Yes. Sign up, get free credits, start finding emails. No credit card required. No hidden fees. No trial that auto-converts. You get real credits to test the full platform — single search, bulk CSV, and API — with the same 99% SMTP-verified accuracy as our paid plans.
How many free emails can I find? expand_more
You get free credits on signup to test the platform thoroughly. These credits work across all features — single email finder, bulk CSV upload, and API access. It's enough to validate the accuracy and speed before committing to a paid plan.
What's the accuracy of the free email finder? expand_more
Same 99% as paid plans. We use real-time SMTP verification on all tiers. Every email — whether found with free credits or a paid plan — goes through the same multi-step SMTP handshake, MX record check, and pattern analysis. We don't downgrade accuracy for free users.
Do I need a credit card to start? expand_more
No. Sign up with just your email address. You'll receive free credits immediately and can start finding verified professional emails right away. No payment information needed until you decide to upgrade.
What happens after I use my free credits? expand_more
Upgrade to Pro ($49/mo for 10K credits) or Agency ($99/mo for 100K credits). Or get the Lifetime deal — $249 one-time for 300,000 credits that never expire. All plans include the same 99% accuracy, bulk CSV upload, and real-time SMTP verification.

The Best Free Email Finder Is Waiting.

99% accuracy. No credit card. No commitment. Start finding verified professional emails right now.

Start Finding Emails — Free Book a Private Demo