/ TOOLS
THE TOOLBOX.
Free, browser-only, no signup, no email gate. Your numbers never leave the page.
Cold Email Calculator (Cost & ROI)
Emails ↔ meetings, both directions. Sizes your domains and inboxes, prices the whole stack — scraping, verification, sequencer — and tells you your true cost per booked meeting.
Run the numbers →LIVE · FREESpam Word Checker
Live highlighting of every trigger phrase, a 0–100 inbox-readiness score, and a safe replacement for each — swappable in one click. Fix the whole email with one button.
Scan your email →LIVE · FREESpintax Generator
Paste a plain email, hit auto-spin — a cold-email synonym engine writes the spintax for you. Depth check against your send volume, merge-tag safety, and sequencer-ready export.
Spin your email →LIVE · FREEDomain Name Generator
Secondary domains for outreach, ranked by deliverability-friendliness — with availability checked live against the actual registries, from your browser.
Find your domains →LIVE · FREEEmail Verifier
Bulk-verify your list in the browser — live MX checks, disposable and role detection, typo auto-fix. Unlimited, no signup, and your list never touches a server.
Clean your list →LIVE · FREEDomain Age & Health Checker
Exact registration date, days live, expiry countdown, registrar, status codes, and a full MX/SPF/DKIM/DMARC audit — with a warmup-readiness verdict. Pulled live from the registries.
Check your domains →LIVE · FREECompetitor Infrastructure Spy
Enter any domain → their mailbox provider, sending platforms, DMARC maturity, domain age, and entire SaaS stack — reverse-engineered from public DNS. See how the pros are configured.
Run recon →LIVE · FREECold Email Generator
Four proven frameworks, a full 4-touch sequence, subject lines, and spintax — every email spam-scored and under 90 words. Unlimited, no signup, no login wall.
Generate emails →Deliverability Grader
Ten questions about your setup. One letter grade. Your exact fix-list, ordered by what's bleeding you the most.