Midjourney Prompt Builder

AI IMAGE PROMPT
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By Checked against sources by , Founder & Architect, RECATOOLS Published Updated Last reviewed

Build a clean Midjourney command — subject, style, aspect ratio, version, stylize, chaos, weird, quality, seed and --no. Free, runs in your browser.

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Midjourney Prompt Builder

Your Midjourney command

    📅 Research current as of 02 Nov 2026 · Sources: Versions, flags and ranges follow Midjourney's own documentation (Version article updated 1 September 2026: default V8.2). A new model can change them.
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    How to Use the Midjourney Prompt Builder

    Describe what you want to see

    Name the subject, then the details that matter to you: medium, setting, lighting, colour, mood, framing. Midjourney's own advice is to keep it short and specific rather than a long list of instructions.

    Choose the version first

    The controls follow the version: quality disappears on V8.2, which does not take it, and HD appears only on V8. Anything typed that this version would refuse is left out, and the page says why.

    Copy it into Midjourney

    Paste it into the Imagine bar on midjourney.com, or after /imagine in Discord. Parameters sit at the end of the prompt, which is where the builder puts them.

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    Which Midjourney Flags Work on Which Version

    Midjourney's parameters are not the same on every model, and a flag copied from an old prompt can stop working. V8.2 became the default on 24 July 2026 and has no quality parameter, while V7 takes 1, 2 and 4, and V6 takes 0.5, 1 and 2. The table is Midjourney's compatibility chart for the flags on this page; V6.1 is treated as V6 here because the chart has no column of its own for it.

    FlagV6V7V8.1 and V8.2
    Max aspect ratio14:114:114:1 (4:1 for HD)
    --q0.5, 1, 21, 2, 4No
    --hdNoNoYes
    --seedYesYesYes (99% identical)
    --stylize, --chaos, --weird, --tile, --no, --rawYesYesYes
    Niji--niji 6--niji 7No

    Niji is a separate model series for Eastern and anime aesthetics. The docs do not give quality values for it or list Raw for it, so the builder leaves both out on Niji rather than guess.

    The source is Midjourney's Version article, with the ranges from its Parameter List.

    Frequently Asked Questions

    • Midjourney's compatibility chart marks the quality parameter as unsupported on V8.1 and V8.2. Older prompts with --q .25 or --q .5 are also out of date for V7, which takes 1, 2 or 4. The builder offers only the values your chosen version takes.
    • A flag is added only when its value differs from Midjourney's default, or the page names it as left out because this version would refuse it. Aspect ratio and version are always included. If you have changed your defaults in Midjourney's settings, a flag left out here uses your setting, so type the default value's flag yourself if you need it fixed.
    • It sets how much artistic freedom Midjourney takes. Low values follow the prompt closely; high values look more artistic but can stray from your details. The range is 0 to 1000 and the default is 100.
    • --chaos (0 to 100) makes the four images in a result more different from each other, and high values may stick less closely to your prompt. --weird (0 to 3000) makes the images themselves quirkier and more unconventional. Midjourney calls it experimental and says it is not fully compatible with seeds.
    • List what you do not want, separated by commas. Midjourney's moderation reads each word independently, so --no modern clothing is read as no modern and no clothing, which can trigger a warning. In that case describe the clothing you do want in the prompt instead.
    • Only roughly. A seed fixes the starting noise, a whole number from 0 to 4294967295, which is useful for testing one change at a time. Midjourney says seeds are 99% identical in V8.X, that they should not be relied on across sessions, and that they do not carry a style or character between prompts.
    • No. The command is assembled in your browser, and nothing you type is sent to Midjourney or any model from this page, or saved. You need your own Midjourney subscription to generate images.

    Method & sources

    How it computes

    Assembles text, then parameters at the end, as Midjourney's Parameter List requires. Flags and ranges follow its docs per version: default V8.2; --q 1, 2, 4 on V7, 0.5, 1, 2 on V6, none on V8.1 and V8.2; --hd on V8 only; max aspect 14:1, 4:1 for HD; stylize 0-1000, chaos 0-100, weird 0-3000, seed 0-4294967295. --ar uses AiImageSizeKernel.arFlag. A value a version would refuse is left out and named (MidjourneyPromptKernel, tested).

    What this tool implements

    • Corrected 2026-11-02: default model V7 to V8.2, adding V8.2, V8.1 and Niji 7; removed --q .25 and --q .5, which V7 does not take; --q no longer added on V8.1 and V8.2, which the chart marks unsupported; out-of-range stylize, chaos, weird and seed no longer passed through; "--seed makes a result reproducible" replaced with Midjourney's own caveats.
    • Version rules are from the compatibility chart in the Version article (updated 2026-09-01), whose columns are V6, V7 and V8.1 & V8.2. V6.1 takes the V6 column, the nearest the chart gives.
    • Not stated in the docs, so left out rather than guessed: quality values and Raw on Niji. "--v 8.2" is the documented "--v #" with the documented version name; the docs print no literal example of it.
    • Draft mode is not offered: the chart marks it unavailable on V8.1 and V8.2 while the Draft article says it works there on the web only, and the two disagree.
    • The --ar rule is shared with /ai-image-aspect-ratio/ through AiImageSizeKernel.arFlag; it is not re-implemented.

    Sources

    Abridged — the full review record for this tool runs longer than the list above.

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