AI Prompt Library

Newsletter Subject Line Generator

Get higher open rates with irresistible email subject lines.

I need 10 email subject lines for a newsletter about [TOPIC].
The goal is to get subscribers to open the email.

Generate subject lines using these angles:
1. Curiosity Gap (e.g., "The one thing you're missing...")
2. Benefit-Driven (e.g., "How to double your...")
3. Scarcity/Urgency (e.g., "Last chance to...")
4. Personal/Direct (e.g., "Can we talk?")
5. Listicle (e.g., "3 ways to...")

Keep them under 50 characters.

Pro Tips

  • Subject lines under 40 characters often perform better on mobile.
  • Avoid spam trigger words like 'Free', 'Guarantee', or 'Cash'.
  • A/B test your subject lines if your email provider allows it.

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