Free Tools
Calculators and checkers that do the thing — no signup, ever.
For business owners
Email Deliverability CheckerCheck any sending domain in seconds: SPF, DMARC (with policy), MX, and three blacklist verdicts — Spamhaus DBL, SURBL, and URIBL.Email Signature GeneratorBuild a clean, professional HTML email signature that survives Gmail, Outlook, and Apple Mail — copy and paste, done.UTM Link BuilderBuild campaign-tagged URLs with a naming convention that stays consistent — and finally know which marketing produced which lead.Google Ads Budget PlannerTurn a monthly budget into expected clicks, leads, and cost per lead — with cited benchmark presets and honest ranges.Cold Email Infrastructure PlannerHow many domains and inboxes does your sending volume actually need? Warmup timeline and monthly cost included.Break-even CPA CalculatorThe most you can pay for a lead or a click before you lose money — from your price, margin, and close rate.Ad Copy Character CheckerLive character counts against Google's responsive search ad limits — 30 per headline, 90 per description — with truncation warnings before you paste into the Ads editor.LTV : CAC CalculatorWhat a customer is really worth over the whole relationship, against what one costs to acquire — the ratio that says whether growth is building or burning.Email Subject Line TesterInstant heuristics on any subject line: mobile truncation, filter-bait vocabulary, caps and punctuation problems — everything runs in your browser, nothing is stored.Google Review Link GeneratorTurn your Place ID into the one-tap review link plus a ready-to-send, policy-compliant text message ask.Speed-to-Lead Value CalculatorWhat slow follow-up costs per month, computed from YOUR close rates — no folklore multipliers baked in.Marketing Budget AllocatorOur house allocation for local service businesses at three stages — capture demand first, build compounding assets second, experiment third — with dollar splits at your budget.Landing Page GraderAn honest eight-point self-audit, weighted by impact for paid-traffic pages, with fixes ranked by what moves cost per lead most.Marketing Ownership AuditEight assets, one question each — who actually owns it? — with the specific risk behind every asset you can't answer for.
For accounting firms
This is the work. Want it done?
Everything here is free to use yourself — that’s the point. If you’d rather a senior marketer just handle it, in your accounts and your name: 20-minute call, no pitch deck.