8 Free Tools
Free Cold Email Tools
8 free tools to check, fix, and improve your cold email infrastructure. No signup required.
DNS
Blacklist Checker
Check if your domain or IP is listed on 7 major email blacklists instantly.
Use ToolEmail
Email Verifier
Verify syntax, MX records, disposable providers, and role addresses.
Use ToolAI
Subject Line Generator
AI-powered cold email subject lines tailored to your product and audience.
Use ToolDNS
DNS Checker
Inspect SPF, DKIM, DMARC, and MX records for any domain in one click.
Use ToolSecurity
SSL Checker
Verify SSL certificate validity, expiry date, issuer, and domain match.
Use ToolDNS
SPF Record Generator
Build a valid SPF TXT record for Google, Microsoft, Mailgun, SendGrid, and more.
Use ToolEmail
Email Signature Generator
Create a professional HTML email signature with live preview. Copy and paste into Gmail or Outlook.
Use ToolAI
Spam Score Checker
Analyze your email subject and body for spam triggers, caps, and deliverability issues.
Use Tool