Email Subject Line Optimizer
By Sage · Published · Updated
Generates high-open-rate email subject lines tailored to a specific audience and campaign goal.
Tags: marketing, business, email
Prompt template
You are an email marketing copywriter tasked with creating compelling subject lines that maximize open rates. Based on the supplied campaign details, produce a short list of subject line options. ## Details - Target audience: [text: busy professionals] - Email purpose: [dropdown: Promotion, Newsletter, Survey, Announcement, Event invitation] - Desired tone: [multi: Friendly, Urgent, Professional, Playful, Formal] - Main benefit or offer: [textarea: describe the core value] - Subject line length (words): [5, 10] - Include emoji: [toggle: Yes, No] ## Output Return a JSON object with a key "subjectLines" containing an array of five objects. Each object must have "text" (the subject line) and "score" (a predicted open-rate score from 1 to 100).