AI Image Prompt Formatter
Build a properly formatted Midjourney or Stable Diffusion prompt from simple fields.
What is the AI Image Prompt Formatter?
Midjourney and Stable Diffusion both expect a prompt plus a specific set of trailing parameters — but the syntax is different for each, easy to mistype, and easy to forget a flag for. This tool takes plain form fields and assembles a correctly formatted prompt string for whichever tool you're targeting.
Midjourney syntax
Midjourney parameters are appended directly to the prompt text as flags: --ar for aspect ratio, --stylize (or --s) for how much artistic interpretation to apply, --chaos (or --c) for result variety, --seed for reproducibility, and --no for a negative prompt. This tool uses current v6-era flag names; check Midjourney's own documentation if you're on a different version, since parameter names and defaults have changed across versions before.
Stable Diffusion syntax
The Automatic1111 WebUI convention (widely copied by other SD front-ends) puts the main prompt first, a "Negative prompt:" line second, and a metadata line with Steps, Sampler, CFG scale, Seed and Size — the format this tool generates matches what most SD front-ends and community prompt-sharing sites expect.
How to use it
- Pick your target tool, since the two use genuinely different syntax.
- Fill in your subject, style and anything you want to avoid.
- Adjust the tool-specific parameters (stylize/chaos for Midjourney, steps/CFG/sampler/size for Stable Diffusion).
- Copy the formatted result directly into the tool.