Email Subject Line Generator

Craft subject lines that get your emails opened.

Prompt Template

Generate 15 email subject lines for:

**Email Type:** [Newsletter/Sales/Promotional/Transactional/Re-engagement]
**Topic/Offer:** [What the email is about]
**Target Audience:** [Who's receiving it]
**Desired Action:** [What you want them to do]
**Brand Voice:** [Professional/Casual/Playful/Urgent]

Include variations using:
- Questions
- Numbers/Lists
- Curiosity gaps
- Personalization tokens
- Urgency (if appropriate)
- Social proof
- Direct benefit

Keep under 50 characters where possible.

Subject Line Formulas

Curiosity

• "The [topic] mistake you're probably making"
• "Why [surprising thing] actually works"
• "This changes everything about [topic]"

Numbers/Lists

• "5 ways to [achieve outcome] this week"
• "[Number]% of [group] get this wrong"
• "The 3-minute fix for [problem]"

Questions

• "Ready to [achieve goal]?"
• "What's your [topic] costing you?"
• "Quick question about [topic]..."

Personalization

• "[Name], your [topic] report is ready"
• "For [Company]: [benefit]"
• "Based on your interest in [topic]..."

Urgency

• "Last chance: [offer] ends tonight"
• "[Number] spots left for [event]"
• "24 hours to claim your [offer]"

Social Proof

• "How [Company] achieved [result]"
• "Join [number]+ [group] who [action]"
• "[Influencer] recommends this"

Testing Guidelines

Best Practices

• A/B test systematically
• Match subject to content
• Avoid spam triggers
• Consider preview text
• Check mobile display