🛠️ Free Tools

Email Marketing Tools

Practical tools to review your emails, spot weak points, and make better decisions before you send.

Email Revenue Leak Calculator

Get an instant score, estimated monthly leak, and the next email fixes to build first.

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Subject Line Tester

Check subject lines for spam risk, clarity, specificity, formatting, and reader value before you send.

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SPF Record Checker

Look up a domain's SPF record, count DNS lookups, and see whether the policy will actually protect you.

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SPF Record Generator

Build one valid SPF TXT record from your sending platforms, IPs, and policy, then copy it into DNS.

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DKIM Record Checker

Look up DKIM selectors for a domain, validate the public key, and see the key size.

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DKIM Key Generator

Generate an RSA DKIM key pair and the DNS TXT record. Private key stays with you.

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DMARC Record Checker

Look up a domain's DMARC policy, reporting addresses, and whether it actually enforces.

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DMARC Record Generator

Build one DMARC TXT for _dmarc with policy, reporting, and alignment. Copy it into DNS.

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DNS Record Checker

Live lookup of A, MX, TXT, NS, SOA, CAA, and email-related DNS names.

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Email Domain Scanner

Score SPF, DKIM, DMARC, and MX in one pass. A setup score, not inbox placement.

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Email Blacklist Checker

Check a domain or sending IP against Spamhaus, SpamCop, Barracuda, SURBL, and other DNSBLs.

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Email Deliverability Score

One lookup combining live SPF, DKIM, DMARC, MX and blacklists into a 0–100 score. Not inbox placement.

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BIMI Record Checker

Look up default._bimi, the SVG logo, VMC, and whether DMARC is enforcing.

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BIMI Record Generator

Build a BIMI TXT from an HTTPS SVG logo URL and an optional VMC.

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Deliverability Self-Audit

Review the authentication, reputation, list quality, and sending practices that affect inbox placement.

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Welcome Sequence Planner

Map a useful welcome sequence based on your business, offer, buyer goal, and main objection.

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Email A/B Test Calculator

Compare two email variants using recipients, outcomes, lift, confidence, and practical test guardrails.

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Email Performance Benchmark Tool

Compare opens, clicks, conversions, and unsubscribes against practical reference ranges.

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