Prompt · Writing

Subject Line Lab

Generates 10 subject lines for any email, ranked by open-rate likelihood.

Have ready: Paste the email and describe the recipients

Fill in · 2 fields

who the recipients are, what the email asks of them, why nowpaste the email

Your prompt

Write 10 subject lines for this email. Context: [who the recipients are, what the email asks of them, why now]. Mix approaches: direct, curiosity-gap, personal, and urgency-based, but no deceptive tricks and no ALL CAPS. Keep each under 50 characters. Then rank all 10 by likely open rate for THIS audience and explain your top pick in one sentence. Also give me 2 preview-text lines (the snippet after the subject) that complement the winner.

Email content:
[paste the email]

Paste it into Muse or any assistant. Blank fields stay as [brackets].

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