Free ChatGPT Prompt Generator

Structured GPT-4, Claude, and Gemini prompts with role, task, format, and constraints. Turn any request into a precise instruction in 30 seconds. Free, no signup.

Generate ChatGPT Prompt →

The anatomy of a great ChatGPT prompt

Vague: "Write a LinkedIn post about our new product."

Structured:

ROLE: You are a senior B2B content marketer with 10 years of
experience writing for SaaS founders.

TASK: Write a LinkedIn post announcing our new product launch.

CONTEXT: The product is a free AI prompt generator. Target
audience: designers, marketers, content creators.

FORMAT:
- Hook (1-2 lines that stop the scroll)
- 3 bullet points with concrete benefits
- Soft CTA ending in a question

TONE: Confident but not salesy. Conversational.

CONSTRAINTS: 120-180 words max. No emojis. No hashtags in body.

Reprompte assembles this structure automatically when you select ChatGPT / Claude / Gemini.

How to write a ChatGPT prompt in 3 steps

1

Describe your task

Enter what you want — e.g. "write a LinkedIn post about our new product".

2

Pick ChatGPT / Claude / Gemini

Reprompte adds role, task, context, format, tone, and constraints.

3

Paste into the chatbot

Copy the structured prompt into ChatGPT, Claude, or Gemini for dramatically better output.

Prompt engineering techniques worth knowing

  • →Role priming — "You are a [specific role]..." sets expertise level and tone.
  • →Few-shot prompting — Provide 2-3 examples of the format you want before asking for output.
  • →Chain-of-thought — Add "Think step by step" for reasoning tasks.
  • →Constraint stacking — Word count, forbidden terms, required terms, format.
  • →Output format — Specify JSON, markdown table, bullets, or prose.
  • →Self-critique — End with "After writing, review and improve for clarity."

Frequently asked questions

Is this ChatGPT prompt generator free?

100% free, no signup, no credit card, unlimited generation.

Does it work with Claude and Gemini too?

Yes. The structured format (role + task + format + constraints) works identically in ChatGPT, Claude, and Gemini.

What is the difference between a ChatGPT prompt and a Midjourney prompt?

ChatGPT prompts are structured text instructions for language tasks. Midjourney prompts are keyword descriptions for images. Reprompte supports both — pick the platform and the format adjusts.

What makes a good ChatGPT prompt?

Role, task, format, tone, length, and constraints — plus optional examples. Reprompte assembles these automatically.

Does it work with GPT-4 and GPT-3.5?

Yes — and GPT-4o, Claude 3.5 Sonnet, Claude 3 Opus, and Gemini 1.5 Pro.

Can I edit the generated prompts?

Yes — they are starting points. Add examples, adjust tone, or tighten constraints as needed.

Related resources

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