FREE TOOLS

Free tools for cold email.

Check your domain, clean up your copy and see what a campaign is worth. No signup.

SPF / DKIM / DMARC

Spam word checker

Email verifier

ROI calculator

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Check your email recordsWe look up SPF, DKIM, DMARC and MX for your domain using public DNS.

DOMAIN DKIM SELECTOR

Check your copy for spam triggersPaste an email. We flag trigger words, shouting, links and length as you type.

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CAPS WORDS{{ capsCount }}

FLAGGED

Verify an email addressSyntax, mail server, disposable and role checks. Bulk verification of whole lists runs inside Zylar.

What is a campaign worth?Enter your numbers. Results update as you type.

EMAILS / MONTH REPLY RATE % POSITIVE REPLIES % MEETING → DEAL % AVERAGE DEAL VALUE $

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REVENUE / MONTH{{ o_rev }}{{ o_roi }}

Each tool gets its own URL at launch (/tools/dmarc-checker, /tools/spam-checker, /tools/email-verifier, /tools/roi-calculator).

Start on Free. Upgrade when it works.