Free email tools
Each tool uses a familiar layout—like the validators and checkers you already use—so you can get results immediately.
Verify addresses
Free Email Validator
Validate email addresses instantly. Check syntax, domain format, and common typos before you send.
Open tool →Spam scoreEmail Deliverability Tester
Analyze your email content for spam signals, authentication gaps, and inbox placement risk.
Open tool →HTML templatesEmail Template Generator
Generate responsive HTML email templates for newsletters, transactional messages, and welcome emails.
Open tool →DNS lookupSPF, DKIM & DMARC Checker
Verify email authentication records for your domain. Ensure SPF, DKIM, and DMARC are configured correctly.
Open tool →Open rateSubject Line Tester
Score and optimize email subject lines for length, clarity, and spam trigger words.
Open tool →Client previewEmail Mobile Preview
Preview how your HTML email renders on mobile devices before you send.
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