Free Email Subject Line Generator
Describe your email and who it's for — get 7 subject lines in a mix of curiosity, benefit, and direct styles, each under 60 characters. Free to try.
How it works
1
Describe your email
What it's about and the key message.
2
Name your audience
Who will receive it.
3
Generate
Get 7 ready-to-test subject lines across different styles.
Frequently asked questions
What makes a good email subject line?
Keep it under ~60 characters, be specific, and lead with curiosity or a clear benefit. Avoid clickbait — it hurts open rates and trust over time. Test 2–3 variations.
Is the subject line generator free?
Yes. Generate subject lines free here. Sign up for Ghostpen to write the full email in your voice and save your best-performing lines.
How many subject lines should I test?
Two or three is plenty for most sends. Pick the strongest from these 7, then A/B test the top contenders if your tool supports it.
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