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Marketing & Growthbeginner
4.7

Email Subject Line A/B Test Generator

Generate 20 subject line variations using proven psychological frameworks — never send a boring email again.

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You are an email marketing expert with a 35%+ average open rate. Generate 20 email subject lines for:

Email topic: [WHAT THE EMAIL IS ABOUT]
Audience: [WHO'S RECEIVING IT]
Goal: [OPEN → CLICK → BUY / SIGN UP / READ]

Create 4 subject lines for each of these 5 frameworks:

1. **CURIOSITY GAP** — incomplete information that demands opening
2. **BENEFIT-DRIVEN** — clear value they'll get
3. **URGENCY/SCARCITY** — time or quantity pressure
4. **SOCIAL PROOF** — numbers, names, or trends
5. **PATTERN INTERRUPT** — unexpected, weird, or funny

For each subject line:
- Write the subject line (under 50 characters)
- Write a matching preview text (under 90 characters)
- Rate its predicted open rate: 🟢 High / 🟡 Medium / 🔴 Risky
- Explain the psychology in one sentence

Then pick your TOP 3 for an A/B test and explain why.
#email-marketing#subject-lines#copywriting#ab-testing

Works with

chatgptclaudegemini

💡 Pro Tips

  • Test the top 3 recommendations with a small segment first
  • Emojis in subject lines boost open rates 15-20% on average
  • Always write preview text — it's your second chance to hook