Free tools
Free cold email tools
Six small tools, free and without sign-up. Nothing you type is sent to us or stored.
Each tool uses the same rules we apply to the emails our product writes. They run entirely in your browser.
In this section
- Cold email checkerFree cold email checker. Paste your email and see a score, with each rule explained: length, a specific opening line, one question, an opt-out, no links, prices or hype.
- DMARC checkerFree DMARC, SPF and DKIM checker. Enter a domain to see each record explained in plain words: policy, reports, SPF lookups and what to fix. Runs in your browser.
- Subject line checkerFree subject line checker for cold email: length, promotional words, capitals, fake Re: and merge fields, with a preview of how it looks in a phone inbox.
- Cold email legal checkerFree cold email legal checker. Pick the recipient's country and type, answer three questions, and get a plain verdict with the conditions and the sources, for ten countries.
- Reply classifierFree cold email reply classifier. Paste a reply and see whether it is an out-of-office, an opt-out, a no, a referral, interest or a bounce, with what to do next and a starter reply.
- Gmail warm-up calculatorFree Gmail warm-up calculator. Choose Google Workspace or personal Gmail, a start date and a target, and get a day-by-day sending schedule and the day you reach it.
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See what it would write for you
Paste your website. Honest Intros learns what you sell and shows who it would write to, and what it would say.
Free to start. Nothing is sent until you approve it.