Skip to main content
Free AI Prompt Maker

Free AI Image Prompt Generator

Describe the picture once. Copy it written the way Midjourney, Stable Diffusion, Flux, ChatGPT or Gemini expects. Free, no account, and your prompts never leave your browser.

Try

Your prompt

Format the prompt for

Example. Describe your image to make it yours.

a lighthouse keeper on a stormy cliff --ar 1:1

Paste into Midjourney. --no reads each word separately, so it works best with single words.

  • Subject
  • Settings

Style

Light

Camera

Shape

Things to avoid and Midjourney settings

Comma separated. Midjourney gets them as --no, Stable Diffusion as a negative prompt. Flux and ChatGPT have no field for them.

100

Midjourney only. Higher values give Midjourney more artistic freedom. Default 100.

0

Midjourney only. Higher values make the four results differ more. Default 0.

Why each model gets a different prompt

The same idea is written four ways. Midjourney reads flags, Stable Diffusion keeps a separate list of things to avoid, and Flux, ChatGPT and Gemini read plain sentences.

FormatHow it is writtenThings to avoidAspect ratio
MidjourneyShort keyword phrases, then flagsred fox in snow, watercolor --ar 4:5 --no text--no, single words--ar flag
Stable Diffusion XLComma-separated keywordsred fox in snow, watercolorSeparate negative prompt boxImage size, e.g. 896 × 1152
FluxOne plain sentenceA red fox in snow, watercolor.No standard fieldSet in your app
ChatGPT / GeminiA sentence, shape in wordsA red fox in snow, watercolor. Vertical 4:5 format.No fieldWritten in the prompt

Start from a use case

Presets and copyable examples for one kind of image.

All use cases

Prompt guides

Checked against each tool's own documentation.

All guides

Optional analytics

Allow Google Analytics to count visits so we can see which tools help. Everything works without it.

How analytics cookies are used