Zevmio17 free cold email tools
Verify emails, check your domain, clean lead lists and write better emails. No sign-up needed to try them.
Verification & lists
Free Email Verifier
Check an address for typos, disposable providers, a working mail server and bounce history.
Use freeCSV Lead Cleaner
Remove duplicates, invalid emails and empty rows from a lead CSV, right in your browser.
Use freeDuplicate Email Finder
Paste a list of emails to find repeats and get a clean, unique list.
Use freeDeliverability
Email Domain Health Checker
Check SPF, DKIM, DMARC and MX in one go, with a grade and plain-English fixes.
Use freeSPF Record Checker
Look up a domain’s SPF record and find duplicates, “+all” and too many lookups.
Use freeDKIM Record Checker
Find a domain’s DKIM key under common selectors, or check your own selector.
Use freeDMARC Record Checker
See a domain’s DMARC policy and whether spoofed email is blocked.
Use freeMX Record Checker
Look up the mail servers of a domain and who hosts its email.
Use freeWriting
Email Spam Word Checker
Paste your email and find the words and habits that push it into spam.
Use freeEmail Subject Line Tester
Score your cold email subject line for length, spam words and style.
Use freeEmail Word Counter
Count words and reading time, and see if your email is the right length.
Use freeCold Email Template Library
Proven, short cold email and follow-up templates you can copy.
Use freeEmail Signature Generator
Create a clean, professional email signature for Gmail and Outlook.
Use freePlanning
Inbox & Domain Calculator
Find out how many inboxes and domains you need to send safely.
Use freeEmail Warmup Calculator
See a day-by-day warmup schedule and when you can send at full volume.
Use freeCold Email ROI Calculator
Estimate replies, meetings, customers and return from your outreach.
Use freeEmail Sequence Planner
Plan follow-up dates and what to say in each step of a sequence.
Use free