email · GPT-4o · free
Rewrite this subject line to lift open rate without breaking brand voice. Original subject: [PASTE] Original preheader: [PASTE] Email body (short summary): [PASTE] Audience: [WHO] Current open rate: [%] Brand voice: [DESCRIBE] Deliver: Diagnosis: what specifically is dragging opens (vague benefit / clickbait / too long / boring verb / etc.) 8 rewrites, each in a different pattern (question, number led, curiosity, benefit forward, name drop, negation, timely, contrarian) Recommended matching preheader for each Which 2 you'd test first and why No "Don't miss out". No "You won't believe". No exclamation marks unless the brand actually shouts.
#subject-lines #rewrite #optimization