The average professional receives 120 emails a day. Your subject line has 3 seconds to earn the open.
Tell this tool what your email is about, the email type, your audience, sender name, and your existing subject line if you have one. Get back 10 subject line variants across 10 psychological triggers — curiosity gap, specific number, personal address, urgency, contrarian, benefit-first, question, social proof, ultra-short, and emoji-led — each with preheader text, the trigger used, open rate rationale, and the scenario it works best for. Plus a top 3 recommendation, a critique of your existing line, and an A/B test suggestion.
Built for email marketers, newsletter writers, and anyone who wants to stop guessing which subject line works.
Generate 10 subject line variants across different psychological triggers — with preheader text, open rate rationale, and an A/B test suggestion.
Writing your subject lines...