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AI Image Prompt Generator

The difference between a bland AI image and a striking one is usually the prompt. Image models respond best to specific, visual detail: not just "a cat", but the setting, the art style, the lighting, the camera angle, the lens, the colour palette and the mood. This free AI image prompt generator helps you build that kind of prompt step by step, even if you've never written one. Describe your subject, then choose from curated options for style (photorealistic, cinematic, watercolour, 3D render, anime, flat vector, oil painting and more), lighting, composition and camera, colour palette and mood, and add details you want or want to avoid. The prompt is assembled live in a sensible order. A format switch tailors it to your tool: Midjourney gets parameters like --ar 16:9, --style raw and --no for exclusions, while Google Imagen / Gemini, DALL·E / ChatGPT and Grok Imagine get a natural-language description with the aspect ratio and avoid-list written out, which those models follow better. Hit "Surprise me" for random inspiration. The prompt is built in your browser from templates. No AI is called here, so paste it into the image tool you use.

Build an image prompt

How to write better image prompts

  1. Lead with a clear subject and action.
  2. Pick one strong style rather than mixing many.
  3. Lighting and camera choices change the feel more than adjectives.
  4. List what to avoid, such as text, extra fingers or watermarks.

Midjourney parameters used

  • --ar aspect ratio
  • --no things to avoid
  • --style raw for photographic styles

FAQ

Does this tool generate images?

No. It writes the prompt; paste it into Midjourney, Gemini, ChatGPT, Grok or another image tool.

Why different formats?

Midjourney uses short phrases and -- parameters; Imagen, DALL·E and Grok follow natural-language sentences better.

Can I use the images commercially?

That depends on the image tool’s terms, not on this prompt.

Is anything I type stored?

No. The prompt is built in your browser.

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