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ChatGPT Prompt for Writing Subtitles

Subtitles play a crucial role in structuring written content. Whether it's a blog post, a web page, a white paper, or a video, well-written subtitles guide the reader, improve readability, and enhance natural referencing. However, finding the right wording—informative, engaging, and optimized—remains a time-consuming exercise. That's where ChatGPT becomes a valuable ally. By providing a well-structured prompt, you can generate impactful subtitles that capture attention, logically organize your ideas, and naturally integrate your SEO keywords. Artificial intelligence excels at creative reformulation and proposing variants, allowing you to test multiple angles in seconds. Whether you are a web writer, video content creator, or marketing manager, mastering the art of prompting for subtitle writing will save you considerable time while elevating the quality of your productions. This guide offers a main optimized prompt, variants adapted to your level, and practical tips to fully leverage ChatGPT's potential in this specific exercise.

The prompt

ChatGPT

You are an experienced web copywriter specialized in content architecture and SEO. I will provide you with the main topic of my content as well as its context. Your mission is to write a series of subtitles (H2 and H3) that structure the content logically and progressively.

Here are the constraints to follow:

  • Each subtitle must be clear, informative, and engaging
  • Use a mix of formats: questions, statements, implicit lists (e.g., "The 5 steps to...")
  • Naturally integrate the main keyword and its semantic variants
  • Ensure a logical progression from general to specific
  • Each subtitle should be understandable independently
  • Propose between 6 and 10 subtitles with their hierarchical level (H2/H3)

Main topic: [YOUR TOPIC]
Target keyword: [YOUR KEYWORD]
Content type: [blog post / web page / guide / video]
Desired tone: [professional / conversational / educational]
Target audience: [YOUR AUDIENCE]

Personalize this prompt with Léa

Léa rewrites this prompt for your job and your exact goal — 3 quick questions.

Why it works

This prompt works because it assigns a precise expert role to ChatGPT, activating specialized response patterns. The explicit constraints (varied formats, H2/H3 hierarchy, logical progression) channel the generation towards structured and directly usable results. Finally, the contextual variables allow fine personalization that avoids generic responses.

Expected result

You will obtain a list of 6 to 10 hierarchical subtitles, alternating questions and statements, with a logical progression of the topic. Each subtitle will be SEO-optimized while remaining natural and engaging for the reader. The result is directly integrable into your content editor.

Variants by level

FAQ

How many subtitles can ChatGPT generate in a single request?
ChatGPT can easily generate between 5 and 20 subtitles in a single request. Beyond 15, it is recommended to segment your request by thematic sections to maintain coherence and quality. You can also ask it to generate H2s first, then detail the H3s for each section in a second prompt.
How to ensure the generated subtitles are SEO-optimized?
Always specify your main keyword and secondary keywords in the prompt. Explicitly ask ChatGPT to integrate these terms naturally. After generation, verify that the main keyword appears in at least 2 to 3 subtitles and that semantic variants are distributed throughout. Use a tool like Surfer SEO or Semrush to validate the final semantic relevance.
Are subtitles generated by ChatGPT also suitable for YouTube videos?
Yes, but with adjustments. For YouTube, subtitles serve as chapters (timestamps) and should be shorter and more catchy. Specify in your prompt that the target format is a video and request formulations of 3 to 7 words maximum, oriented towards curiosity and immediate benefit. Add the constraint of making each subtitle understandable out of context, as viewers often navigate directly to a specific chapter.

Related prompts

How to use this prompt

  1. Copy the prompt with the button above.
  2. Paste it into ChatGPT, Claude or your favorite AI assistant.
  3. Replace the bracketed variables with your details, then refine the result.

About Prompt Guide

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