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use this prompt when:
- You need to quickly generate multiple high-converting email subject lines for a new campaign
- Your email open rates have been declining and you need fresh approaches
- You’re launching a new product or promotion and want to A/B test different messaging angles
- You need to stand out in increasingly crowded customer inboxes
- You want to ensure your preview text strategically complements your subject lines rather than defaulting to the first line of your email
The prompt
Create <number> high-performing email subject line and preview text combinations for a campaign promoting <product/service/offer> to <target audience>. The goal of the email is to <email goal>. For each variation, create subject lines under 50 characters that use different persuasive approaches (curiosity, benefit-driven, scarcity, personalization, question-based, etc.) and paired preview text under 100 characters that complements and extends the subject line’s appeal. Ensure each combination aligns with our brand voice of <brand voice> while optimizing for open rates in a crowded inbox.
How to customize
Variables
Description
Variables
numberDescription
Specify how many subject line/preview text variations you want generated (5-10 is typically sufficient for testing)Variables
product/service/offerDescription
Enter the specific product, service, promotion, or content offer featured in your email campaignVariables
target audienceDescription
Define your recipient segment with relevant details about demographics, psychographics, or customer lifecycle stageVariables
email goalDescription
Clarify the primary action you want recipients to take (make a purchase, register for an event, download content, etc.)Variables
brand voiceDescription
Describe your brand's tone and personality (e.g., friendly and casual, professional and authoritative, quirky and playful)
Example Output
Campaign: Summer Skincare Collection Launch to Existing Customers
Subject Line/Preview Text Combinations:
- Subject Line (Curiosity): Your summer skin secret has arrived Preview Text: The lightweight formula our founder created after 5 years of research is finally here
- Subject Line (Benefit-driven): Wake up to glowing skin this summer Preview Text: Our new brightening serum works overnight so you can shine all day (without the oiliness)
- Subject Line (Scarcity): Early access ends tonight | Summer Collection Preview Text: Be among the first 500 to experience our limited-edition skincare formulas before they sell out
- Subject Line (Question-based): Is your skincare ready for summer? Preview Text: Discover the 3 ingredients dermatologists say you need in warmer weather (and we’ve got them all)
- Subject Line (Personalization): Sarah, we created this for your skin type Preview Text: Based on your previous purchases, our new Summer Hydrating Gel is your perfect match
- Subject Line (FOMO): Everyone’s talking about our summer launch Preview Text: See why beauty editors are calling our new SPF serum “revolutionary” for all skin tones
- Subject Line (Social Proof): 5000+ five-star reviews for our summer must-have Preview Text: Our customers can’t stop raving about the results from our new brightening formula
Pro tips
- Always A/B test 2-3 different subject line approaches to discover what resonates best with your specific audience segment
- Keep mobile users in mind – preview text displays differently across devices, so front-load the most important information
- Use your brand name strategically in either the subject line or preview text to increase recognition in crowded inboxes
- Update your subject line formulas seasonally – approaches that worked in winter may not perform as well in summer
Related Prompts
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