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Midjourney Parameter Builder

Add aspect ratio, stylize, chaos, style references and more to a Midjourney prompt.

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References and advanced

Quick Tool Overview

The Midjourney Parameter Builder adds aspect ratio, version, stylize, chaos, weird, quality, seed, style and reference parameters to a prompt in the right syntax, checks every value against its range, and catches the mistakes that silently waste a render.

What it does
Writes Midjourney parameters and validates them
You give it
A prompt and the look you are after
You get back
A complete prompt ready for /imagine
Best for
Midjourney V6, V7 and Niji users
AI Tools Free, unlimited use No sign-up Runs in your browser

About the Midjourney Parameter Builder

Midjourney is controlled by double-dash parameters at the end of the prompt, and a wrong one costs a render: an aspect ratio written with a decimal, a stylize value out of range, a Niji-only style on a Midjourney model, or the same word in the prompt and in --no, cancelling itself out.

Write the prompt, pick the model and aspect ratio from a list of the ones people use — 16:9 for widescreen, 9:16 for stories, 4:5 for Instagram — and set stylize, chaos, weird, quality, seed and style. Style references, character or omni references, stop, repeat, tile and draft mode are under advanced. Every number is checked against its valid range, and the parameters are written in the correct order and syntax.

The builder also catches the mistakes that do not throw an error but still waste a job: writing "no people" in the prompt, which Midjourney reads as a request for people; pasting a prompt that already carries parameters; and pairing high stylize with raw style, which pull in opposite directions.

Key features of the Midjourney Parameter Builder

Range checking

Stylize, chaos, weird, stop, seed and weights are checked before you spend a job.

Aspect ratio presets

Widescreen, stories, Instagram, cinematic and custom ratios in valid whole-number form.

Negation mistakes caught

Warns when "no" or "without" is in the prompt and when a word is in both the prompt and --no.

Version awareness

Niji-only styles and V7-only draft mode are flagged on the wrong model.

Style and omni references

--sref with --sw and a character or omni reference for the chosen version.

How to use the Midjourney Parameter Builder

  1. 1

    Write the prompt

    Describe the image. Leave exclusions out of the prompt text.

  2. 2

    Pick the model and ratio

    Choose V7, V6.1 or Niji, and an aspect ratio for where the image will be used.

  3. 3

    Tune the look

    Stylize for how artistic, chaos for variety between the four results, weird for the unusual.

  4. 4

    Copy it into Midjourney

    Paste after /imagine in Discord, or into the prompt box on the Midjourney website.

Frequently asked questions

It controls how strongly Midjourney applies its own aesthetic. Low values follow the prompt literally; the default is 100; values up to 1000 produce more artistic, less literal images.

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