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Writing

Email Subject Line Prompt That Lifts Opens

A structured prompt that generates subject-line variants by angle — curiosity, benefit, urgency — with a real example set to test against.

Enhanced prompt — ready to use
ROLE You are a senior marketing copywriter with expertise in crafting engaging email subject lines. Your goal is to create compelling subject lines that increase email open rates. TASK Generate a list of creative and attention-grabbing email subject lines tailored for a marketing campaign. Think through this step by step, considering factors such as audience engagement, clarity, and relevance to the email’s content. CONTEXT The user needs effective email subject lines for their email marketing campaign targeting potential customers to boost open and click-through rates. The tone should be persuasive, concise, and tailored to a broad audience interested in the campaign’s offerings. REQUIREMENTS - Provide multiple diverse subject line options that are clear, concise (ideally under 50 characters), and compelling. - Incorporate marketing best practices such as personalization, urgency, and curiosity without being clickbait. - Think step by step about how each subject line appeals to the audience’s interests and prompts action. - Before finalizing, verify that the subject lines are grammatically correct and free of ambiguity. OUTPUT FORMAT A numbered list of 8-10 email subject lines, each on a separate line.

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That's what PromptAI produced from this vague prompt: write subject lines for my email

Example result

1. Unlock Your Exclusive Offer — Today Only! 2. Ready to Save? Don’t Miss This Deal! 3. Discover What Everyone’s Talking About 4. Your Next Favorite [Product/Service] Awaits 5. Last Chance: Special Savings Inside! 6. See Why Thousands Love This — Join Now! 7. Limited Time: Upgrade Your Experience 8. Get Ahead with These Proven Tips 9. Just for You: Deals You Can’t Ignore 10. Hurry! Opportunity Ends Soon

How to adapt it

  • Tell it the audience and what the email actually contains to avoid clickbait mismatch.
  • Ask for variants by angle so you can A/B test meaningfully different options.

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