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Midjourney: Complete Guide to Commands, Prompts, and Advanced Parameters
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Midjourney: Complete Guide to Commands, Prompts, and Advanced Parameters

[2026-05-31] Author: Ing. Calogero Bono

You've spent hours writing prompts in Midjourney, but the results always look “somewhat off”? Dull colors, weird compositions, misplaced details. The problem isn't you: without the right parameters, you're asking a generative engine to guess what's in your head.

At Meteora Web, we use Midjourney daily to generate visuals for clients and prototypes. We learned the hard way that a “gut feeling” prompt is like ordering a steak saying “medium” – it might work, but often comes out burnt or raw. Parameters are your thermometer and timer.

This guide gives you the survival kit: essential commands, advanced parameters, and operational tricks that turn Midjourney into a professional tool – not a slot machine.

Why Parameters Change Everything (and How to Use Them)

Midjourney interprets your prompt in a latent space of 77 tokens. The more precise you are, the less it guesses. Parameters are levers that control appearance, consistency, and variability.

The Fundamentals You Need to Know Now

--ar (aspect ratio) Defines the image format. Default is 1:1 (square). For rectangular use 16:9 (wide), 4:3, 2:3, etc. Example: /imagine prompt: a beach at sunset --ar 16:9.

--v (version) Specifies the model. Newer versions (v6, v6.1) offer better consistency and realism. Example: --v 6.1. Without it, Midjourney uses the latest stable.

--s (stylize) Controls how much Midjourney “interprets” the prompt artistically. From 0 (literal) to 1000 (highly stylized). Default 100. For realistic products or architecture keep low (--s 50). For concept art or illustrations raise (--s 400).

--c (chaos) Increases variability among the 4 generated variants. Values 0 to 100. With --c 80 you get 4 very different images; with --c 0 they are nearly identical. Useful for brainstorming.

--no Excludes elements. Example: --no people, clouds. Caution: sometimes Midjourney ignores --no if the prompt contradicts it. Better to use negative weights inside the prompt.

--iw (image weight) Used with /imagine [url] + prompt. Controls how much a reference image influences the result (0.5 = low, 2.0 = high, default 1.0).

--seed Locks the random sequence. Two identical requests with same seed and parameters produce the same image. Useful for reproducibility or controlled variation.

Advanced Parameters for Fine Control

--weird (w) Introduced in v6. Values 0-3000. Higher values yield more surreal and unexpected results. Great for creative projects.

--tile Generates seamless images for repeating patterns. Ideal for backgrounds or textures.

--stop Stops generation at a percentage (0-100). Default 100. Stopping early (e.g., --stop 80) gives less defined but more compositionally free images.

--style For specific versions (v6 has --style expressive or raw). Raw gives more prompt-faithful results, less “soft”.

Prompt Techniques That Separate Pro from Beginner

Weights and Multi-Prompts (:: separator)

You can split the prompt and assign different weights. Example: /imagine a landscape::2 mountains::1 lake::1.5 --ar 16:9. Parts after :: multiply the weight (default 1). Negative values exclude (e.g., a landscape:: red::-.5 removes red).

Image Prompting

Upload an image (URL or drag-and-drop) and combine it with a text prompt. Example: /imagine [image-url] a cat on a meadow --iw 1.5. Midjourney tries to retain the style or composition of the input image.

Remix Mode

Activate with /prefer remix or from the menu. After generating, you can modify the prompt and regenerate the same base variant with new instructions. Perfect for fast iteration on a concept.

Blend Mode

Use /blend (up to 5 images) to merge styles or subjects. Great for creating visual moodboards.

Shorten

If your prompt is too long or vague, use /shorten (select the message). Midjourney extracts the most important keywords and shows you reduced versions. Learn to write more effective prompts.

Practical Examples: From Basic Prompt to Professional

Basic prompt: /imagine a modern restaurant → Generic result, no details.

Professional prompt: /imagine interior of a modern restaurant with warm lights, dark wood tables, hanging plants, minimalist Japanese style --ar 4:3 --v 6.1 --s 150. Specifies context, materials, atmosphere, style, proportions, version, and stylization degree.

For e-commerce product: /imagine red running shoe on white background, softbox lighting, detailed sole texture --ar 1:1 --v 6.1 --s 50 --no hard shadows. Note low --s for realism, --no to remove distractions.

Common Mistakes to Avoid

  • Prompts too long (over 60 words) – Midjourney truncates. Keep concise.
  • Forgetting --ar for social (square) or website (horizontal).
  • Using --no for abstract concepts (e.g., --no ugly) – doesn't work. Describe what you want, not what you don't.
  • Not specifying version – Midjourney behavior changes between v5, v6, v6.1. If you have reference images, stick to the same version.

Operational Workflow for Ready-to-Use Images

  1. Define the usage (social, website, print) and choose aspect ratio and version.
  2. Write the prompt in English, with details of subject, environment, lighting, materials, style.
  3. Add control parameters (--s, --iw if using reference, --c for variety).
  4. Generate 4 variants, pick the best, then use “Vary (Region)” or “Remix” to refine.
  5. Post-production: download, upscale with /upscale (2x or 4x) or external tools like Topaz Gigapixel.

Tools for Writing Better Prompts

- PromptHelper (prompthelper.net) – prompt generator with parameters.

- Midjourney Prompt Analyzer (community).

- Official documentation: Midjourney Parameters.

If you want to understand how to integrate Midjourney into an AI workflow for your business, check our guide AI for SMEs: Where to Start in 2025 Without Wasting Budget.

In Summary — What to Do Now

  1. Open Midjourney on Discord and try generating an image using at least 3 parameters: --ar, --v, --s, --c.
  2. Download the official parameter list and keep it open while you work.
  3. Rewrite a prompt you already used by adding weights (::) and --no to improve it.
  4. Activate Remix mode and iterate on a single image until you get the desired result.
  5. Measure the time spent: a well-written prompt reduces iterations by 50%. Fewer tries, more results.

At Meteora Web we use these tricks every day for our clients. Remember: AI amplifies, but competence directs. A good prompt is like a good balance sheet: if the numbers don't add up, the project won't fly.

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Ing. Calogero Bono

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Ing. Calogero Bono

Co-founder di Meteora Web. Ingegnere informatico, sviluppo ecosistemi digitali ad alte prestazioni. AI, automazione, SEO tecnica e infrastrutture web. Scrivo di tecnologia per rendere complesso… semplice.

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