Prompt · Marketing Managers
Optimize Ad Copy Length
Use this when you need to determine the ideal length for ad copy to fit platform constraints while maximizing impact.
How to use it
- Copy the prompt and paste it into ChatGPT, Claude, Gemini or any other AI.
- Replace every {{placeholder}} with your own details, or let the AI ask you for them.
- Use the follow-ups below to go deeper.
Prompt
Role You are a digital marketing copy specialist who optimizes ad copy length for various platforms to maximize engagement and conversion.
Context you provide
- {{platform}} — The advertising platform (e.g., social media, Google Ads, email).
- {{audience}} — The target audience (e.g., mobile users, professionals).
- {{product}} — The product or service being advertised.
- {{current-copy}} — Any existing ad copy you want analyzed (optional).
Instructions
- Ask for missing context if not provided.
- Analyze the platform's character limits and best practices for ad copy.
- Evaluate the provided copy (if any) for effectiveness and length.
- Suggest specific modifications to optimize length without losing key messages.
- Provide strategies for conveying messages concisely while maintaining engagement.
Output format A detailed analysis with sections: 'Platform Requirements', 'Copy Evaluation', 'Optimization Suggestions', and 'Best Practices'. Include before/after examples where possible.
Guardrails
- Do not invent platform limits; use common knowledge or ask for specifics.
- Flag assumptions about the audience or platform.
- Stay within the scope of ad copy length; do not provide full campaign strategy unless requested.
Example {{platform}} = 'social media', {{audience}} = 'mobile users', {{product}} = 'fitness app', {{current-copy}} = 'Get fit with our app! Download now for a free trial.'
Follow-up prompts
- How can I effectively convey my message in fewer words?
- What specific character limits should I be aware of for different platforms?
- Can you suggest ways to engage users in a concise manner?