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Prompt

Generate High-Converting Email Subject Lines

Generate compelling email subject lines to boost open rates. This AI prompt crafts variations based on email type, topic, audience, desired action, and brand

Copy prompt
VibeBaza
Maintainer?
9
Spark score
out of 100
Updated 6 months ago
Version 1.0.0
Models
claude
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Why it matters

Boost your email open rates by generating compelling subject lines. This asset helps you craft attention-grabbing text tailored to your audience and goals.

Outcomes

What it gets done

01

Create 15 subject line variations for any email type.

02

Incorporate specific elements like questions, numbers, and personalization.

03

Optimize subject lines for brevity (under 50 characters) and impact.

04

Align subject lines with brand voice and desired call to action.

Install

Add it to your toolbox

Run in your project directory:

curl -fsSL https://spark.entire.vc/get/vb-email-subject-lines | bash

Use cases

What you can do with it

Write copy

Drafts marketing, email, or product copy on demand.

SEO content

Produces search-optimized articles and page descriptions.

Overview

Email Subject Line Generator

What it does

This prompt generates email subject lines based on user-defined parameters like email type, topic, target audience, desired action, and brand voice. It aims to create variations incorporating elements such as questions, numbers, curiosity gaps, personalization, urgency, social proof, and direct benefits, with a goal of keeping them under 50 characters.

How it connects

Use this prompt when you need to create multiple email subject line options for various email types (newsletters, sales, promotional, transactional, re-engagement). It is suitable for users who want to explore different subject line strategies and aim to optimize for open rates. Do not use if subject lines are for non-email communication or if key input details (type, topic, audience, action, voice) are unavailable.

Source README

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

Test Element A Version B Version
Length Short (30 chars) Long (50 chars)
Format Question Statement
Personalization With name Without
Emoji With Without
Number With Without

Best Practices

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

Discussion

Questions & comments · 0

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