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Free Midjourney Prompt Builder: 12 Presets + 300 Parameters (2026)

Free Midjourney prompt builder Chrome extension. 12 cinematic presets, 300+ parameters, style modifier library. Reverse-engineer any image.

NH
Nafiul Hasan
Founder, Prompt Architects

title: "Free Midjourney Prompt Builder: 12 Presets + 300 Parameters (2026)" slug: "32-free-midjourney-prompt-builder" description: "Free Midjourney prompt builder Chrome extension. 12 cinematic presets, 300+ parameters, style modifier library. Reverse-engineer any image." publishedAt: "2026-05-20" updatedAt: "2026-05-20" postNum: 32 pillar: 4 targetKeyword: "midjourney prompt builder" keywords:

  • "midjourney prompt builder"
  • "free midjourney prompts"
  • "midjourney v7"
  • "image prompt generator"
  • "midjourney parameters" ogImage: "https://prompt-architects.com/og/32-free-midjourney-prompt-builder.png" author: name: "Nafiul Hasan" role: "Founder, Prompt Architects" url: "https://prompt-architects.com/about" ctaFeature: "image" related: [31, 33, 36] faq:
  • q: "Is there a free Midjourney prompt builder?" a: "Yes — several. Prompt Architects is a free Chrome extension covering 8 AI platforms including Midjourney v6 and v7. MidPrompts ships 12 presets and 300+ parameters with no signup. Promptfolder and the original Midjourney Prompt Helper offer web-based builders. Each is free at the basic tier."
  • q: "What makes a Midjourney prompt builder good?" a: "Three things. First, parameter coverage (aspect ratio, stylize, chaos, weird, raw mode, version). Second, style modifier library — pre-tested phrases that produce reliable looks (cinematic lighting, 35mm film, octane render). Third, reverse-engineering — drop an image, get a prompt that recreates it. Best builders combine all three."
  • q: "What are Midjourney's most powerful parameters in 2026?" a: "For v7: --ar (aspect ratio), --s (stylize 0-1000), --c (chaos 0-100), --w (weird 0-3000), --raw (less Midjourney bias), --p (personalization), --v 7 (version). Stylize controls how aggressively Midjourney applies its aesthetic. Chaos increases variety. Raw is essential when you want photographic realism over MJ-style."
  • q: "How do I get consistent characters in Midjourney?" a: "Use --cref (character reference) with a URL to a reference image. Combine with --cw (character weight 0-100) for stronger or weaker matching. For multi-image consistency, use the same seed across generations: --seed [number]."
  • q: "Should I use sref (style reference) or just describe the style?" a: "Both work. --sref [url] is more precise for replicating a specific image's look. Text descriptions ('cinematic lighting, 35mm film, soft golden hour') are more flexible and easier to iterate. Use sref when you have a target image; use text when you're exploring."

TL;DR: Free Midjourney prompt builders ship presets + parameter pickers. Prompt Architects covers 8 platforms with one library. MidPrompts is Midjourney-only with 12 presets + 300 parameters. Pick by workflow.

What a good Midjourney builder does

Manually composing a Midjourney prompt means juggling subject + style + camera + lighting + composition + parameters. Skip any one, output drifts. Builders ship templates that cover the structure — fill in variables, get a copy-paste prompt.

Minimum viable builder features:

FeatureWhy it matters
Parameter picker--ar, --s, --c, --w, --raw, --v — pre-set sliders beat memorizing flags
Style modifier library"cinematic lighting" produces a known look; random style words don't
Aspect ratio presets16:9, 9:16, 1:1, 4:3, 21:9 — common ratios as one-click
Reverse engineer (Image-to-Prompt)Drop image → get prompt that recreates it
Character reference (--cref) helperURL builder + weight slider
Style reference (--sref) helperURL + style weight
Seed lock for consistencySame seed across generations = stable subject

Free builders ranked

1. Prompt Architects (Chrome Extension)

Best for: anyone using Midjourney + at least one other AI platform.

  • 8 platforms in one library (Midjourney, Ideogram, Veo3, Kling, ChatGPT, Claude, Gemini, Grok)
  • 12 cinematic presets for Midjourney v6 + v7
  • Style modifier library
  • Reverse-engineer any image
  • Parameter sliders (--s, --c, --w, --ar)
  • Free tier with daily generations

Trade-off: Image presets gated behind Pro after free quota.

2. MidPrompts

Best for: Midjourney-only power users.

  • 12 presets + 300 predefined parameters
  • Free version, no signup
  • Parameter picker covers all v6/v7 flags
  • Strong Discord community

Trade-off: Midjourney-only — won't help with Ideogram, Imagen, etc.

3. Promptfolder Midjourney Helper

Best for: web-based quick prompts.

  • Browser-based, no install
  • Style modifier picker
  • Aspect ratio presets

Trade-off: Less feature surface than installed extensions.

4. Midjourney Prompt Generator (Chrome)

Best for: simple template browsing.

  • Curated template library
  • Parameter cheatsheet built in
  • Free, no signup

Trade-off: No reverse-engineering, no character ref helper.

5. Image2Prompts

Best for: reverse-engineering images you find online.

  • Right-click any web image → get prompt
  • Works for Midjourney, Stable Diffusion, Nano Banana
  • Free Chrome extension

Trade-off: Reverse-only — not a forward builder.

6. Midjourney Prompt Enhancer

Best for: improving prompts you've already drafted.

  • Takes a rough prompt, returns a polished one
  • Adds style modifiers + parameters

Trade-off: Smaller user base, less active development.

A complete Midjourney v7 prompt

Subject: A 30-year-old woman with curly red hair, wearing a long charcoal
wool coat, holding a leather portfolio.

Setting: Paris cobblestone street at dusk, light rain, Notre Dame in
soft focus background, glowing lamp posts.

Style: Cinematic photograph, 35mm film grain, golden hour warm light
mixing with cool blue streetlamps, shallow depth of field.

Composition: Medium close-up, rule of thirds, slight low angle.

Mood: Melancholic, contemplative, atmospheric.

Parameters: --ar 21:9 --s 250 --c 15 --raw --v 7

Result: cinematic, on-brand, repeatable.

Parameter cheatsheet (v7)

FlagWhat it doesRangeUse when
--arAspect ratio1:1, 16:9, 9:16, 4:3, 21:9Always specify
--sStylize (MJ aesthetic strength)0-100050-250 photoreal · 500-750 stylized
--cChaos (variety per generation)0-10010-30 explore · 50+ wild
--wWeird (unconventional aesthetics)0-30000 normal · 500+ surreal
--rawLess MJ aestheticflagPhotographic realism
--vVersion6, 7, nijiv7 default
--pPersonalizationflagApply your style profile
--crefCharacter reference URLURLSame character across images
--cwCharacter weight0-100100 strict · 50 flexible
--srefStyle reference URLURLMatch an image's style
--seedSeed lockintegerRepeat exact subject
--noNegative prompttextExclude elements
--tileTileable patternflagTextures, backgrounds

Style modifier library (proven phrases)

These produce reliable looks across Midjourney versions:

Photography: 35mm film, kodak portra 400, ilford hp5, leica q3, golden hour, blue hour, harsh midday sun, candlelight, neon noir, studio softbox, ring light, rim light, backlit, side-lit

Cinema: cinematic lighting, anamorphic lens flare, shot on alexa, david fincher style, wes anderson symmetry, denis villeneuve atmospheric, christopher doyle handheld, roger deakins natural light

Illustration: studio ghibli, makoto shinkai, jean giraud moebius, mike mignola heavy ink, pastel anime, watercolor wash, gouache textures, ligne claire

3D / digital: octane render, unreal engine 5, blender cycles, redshift, vray, isometric pixel, low-poly stylized

Painterly: oil on canvas, palette knife, glazing technique, alla prima, impressionist brushwork, john singer sargent, nicolai fechin

Mix 2-3 modifiers max. More than 3 dilutes the signal.

Common mistakes

  1. No aspect ratio. Default 1:1 wastes composition opportunities.
  2. Maxing stylize without raw. --s 1000 produces signature MJ look — useful for art, kills photorealism.
  3. Skipping --raw for photo prompts. MJ adds aesthetic by default; --raw turns it off.
  4. More than 3 style modifiers. Diluted signal, muddy output.
  5. No character ref for series work. Use --cref + same seed for character consistency.
  6. Ignoring chaos for exploration. --c 30 produces 4 meaningfully different generations vs 4 near-duplicates.

When to use which builder

SituationPick
Use Midjourney + ChatGPT + other toolsPrompt Architects
Midjourney-only, want max parametersMidPrompts
Reverse-engineer an image you foundImage2Prompts
Quick web-based prompt, no installPromptfolder
Polish a draft promptMidjourney Prompt Enhancer

Bottom line

Pick a builder. Use the parameter cheatsheet above. Pick 2-3 style modifiers max. Always set --ar. Always consider --raw for photo prompts.

That's 90% of what separates good Midjourney output from generic.

Frequently asked questions

Is there a free Midjourney prompt builder?
Yes — several. Prompt Architects is a free Chrome extension covering 8 AI platforms including Midjourney v6 and v7. MidPrompts ships 12 presets and 300+ parameters with no signup. Promptfolder and the original Midjourney Prompt Helper offer web-based builders. Each is free at the basic tier.
What makes a Midjourney prompt builder good?
Three things. First, parameter coverage (aspect ratio, stylize, chaos, weird, raw mode, version). Second, style modifier library — pre-tested phrases that produce reliable looks (cinematic lighting, 35mm film, octane render). Third, reverse-engineering — drop an image, get a prompt that recreates it. Best builders combine all three.
What are Midjourney's most powerful parameters in 2026?
For v7: --ar (aspect ratio), --s (stylize 0-1000), --c (chaos 0-100), --w (weird 0-3000), --raw (less Midjourney bias), --p (personalization), --v 7 (version). Stylize controls how aggressively Midjourney applies its aesthetic. Chaos increases variety. Raw is essential when you want photographic realism over MJ-style.
How do I get consistent characters in Midjourney?
Use --cref (character reference) with a URL to a reference image. Combine with --cw (character weight 0-100) for stronger or weaker matching. For multi-image consistency, use the same seed across generations: --seed [number].
Should I use sref (style reference) or just describe the style?
Both work. --sref [url] is more precise for replicating a specific image's look. Text descriptions ('cinematic lighting, 35mm film, soft golden hour') are more flexible and easier to iterate. Use sref when you have a target image; use text when you're exploring.
Free Chrome Extension

Stop rewriting prompts. Start shipping.

Works with ChatGPT, Claude, Gemini, Grok, Midjourney, Ideogram, Veo3 & Kling. 5.0★ on the Chrome Web Store.

Add to Chrome — Free