Campaign A/B tests
Keep the hero subject and layout stable while comparing a dusk treatment, seasonal palette or cleaner studio background. One-variable tests make creative performance easier to interpret.
Free · No sign up for your first image
Image Variation Prompts That Keep the Original
Change what you want. Keep what matters.
Start with a proven prompt, then vary one visual decision at a time. Your subject and composition stay anchored while lighting, palette, season or style changes.
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Auto-delete in 24h
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1Upload image
2Choose change
3Generate
Step 1 · Add your image
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What do you want to change?
Pick one direction. Keepframe will protect the important parts automatically.
We’ll detect what matters after you upload, then protect it automatically.
2 Choose one you can refine it below
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Detected mode after upload
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Change strength
Balanced — clear change, identity and layout stay stable.
Aspect ratio
✦ 1 free result as a guest · failed generations never count
Real before & after
Two controlled image variations built from focused prompts
Each example changes one visual direction while subject, layout and crop remain the reference.
The control other tools hide
You don't pick a model. You pick what survives.
Most img2img tools give you one abstract “strength” slider. We turn it into decisions a human actually makes.
Keep — hard constraints
Locked items become model routing, region masks and post-composition — not just a sentence in the prompt.
- Face — it's still the same person. Identity reference plus face-region protection.
- Subject — the product, pet or object keeps its shape, logo and key details.
- Composition — pose and layout stay put via structure and depth control.
- Text & Logo — original pixels are preserved, never re-drawn by the model.
Change — creative freedom
One tap per intent. Each chip compiles into a structured instruction with the right negative constraints.
- Style — anime, watercolor, film, 3D, oil paint and 40+ more.
- Background — a new scene behind an untouched subject.
- Outfit — swap clothing while the person stays the person.
- Lighting — golden hour, studio, neon night, overcast.
Subtle
Light touch: tone, light, small edits. Routed to precise editing models.
Balanced
The default. Obvious change with stable identity and layout.
Creative
Big reimagining. Structure loosens — fine details may drift, on purpose.
Three steps
From photo to finished image in under a minute
Upload & auto-detect
Drop any JPG, PNG or WebP. We recognize portraits, products, sketches and interiors, and pre-lock what usually matters for that kind of image.
Lock, describe, set strength
Toggle what to keep, tap what to change, pick Subtle, Balanced or Creative. No denoising values, no seed numbers, no model menus.
Compare, download, iterate
Slide before/after, download free with no watermark, then keep editing the result with plain language — no re-upload needed.
One-tap starts
Prompt templates that fill the tool for you
Tap any template — it configures keep, change and strength, then scrolls you back to the studio.
Complete guide
12 image variation prompts for controlled creative testing
These image variation prompts are written for people who already have an image worth keeping. Instead of asking AI to invent a new composition, each prompt names what must stay fixed and isolates one useful change: lighting, palette, season, background or rendering style. Copy a prompt, upload your source and use Subject plus Composition locks to generate image variations that still belong to the same campaign or photo set.
What you can make
Photo art direction
Use a concise relighting or color-grade prompt to explore a treatment before committing to a full edit. The source image remains a visible benchmark for identity and framing.
Design-system exploration
Test finish, atmosphere and palette without replacing the approved composition. Text & Logo lock adds protection when a poster or brand asset contains lettering.
How to get a controlled result
A three-step workflow for Image Variation Prompts
Name the invariant
Decide whether subject, face, layout, crop or text cannot change. Turn on those locks before writing any style language.
Change one variable
Choose one direction such as time of day, weather, background or color grade. Combining several transformations makes drift harder to diagnose.
Compare at the same strength
Start at Balanced and compare multiple prompts under the same settings. Lower to Subtle when identity or geometry moves; increase only when the requested change is too weak.
Ready-to-run directions
Controlled recipes to try with your image
Each recipe separates what must stay from the one visual decision that may change.
Dusk relight
Generate a dusk variation with a deep blue sky and warm practical lights; preserve every object position and the exact crop.
Neon night
Create a neon-night image variation using cyan and magenta rim light; do not move, resize or redesign the subject.
Rainy evening
Add a rainy-evening atmosphere with wet reflections and soft overcast light; keep all people, objects and framing unchanged.
Minimal studio
Place the unchanged subject on a warm-gray studio sweep with a soft contact shadow and clean negative space.
Monochrome print
Make a high-contrast monochrome print variation with subtle paper grain; preserve spacing, hierarchy and readable text.
Editorial illustration
Render this photo as a restrained editorial illustration with clean shapes and texture; preserve identity, pose and composition.
Summer palette
Create a bright summer palette using warm yellow, coral and sky blue; keep layout, subject and visual hierarchy unchanged.
Material finish
Change only the surface finish from matte to satin with realistic highlights; preserve geometry, dimensions and camera angle.
Prompt examples
Copy one as a starting point, then change only the details that matter to your image.
- Relight this exact image at golden hour with a low warm sun and long realistic shadows; preserve subject, crop and camera angle.
- Create a restrained winter campaign variation with light snow and warm window glow; keep the hero subject, layout and text unchanged.
- Generate a premium editorial color grade with muted earth tones, softer contrast and subtle film grain; preserve facial identity and framing.
- Replace only the background with a quiet coastal sunrise; keep subject edges, pose, scale and the original crop identical.
Common problems and fixes
Use these checks before increasing change strength or adding more instructions.
The result becomes a new image. Shorten the prompt, keep Subject and Composition locked, and lower strength to Subtle.
The requested change is invisible. Name a measurable direction such as deep-blue dusk, 3200K warm practical light or matte black rather than a vague mood.
Several details drift. Split the request into separate generations so lighting, background and style are evaluated one at a time.
Poster text breaks. Enable Text & Logo lock and review every line at full resolution before publishing.
Continue the workflow
Related tools for the next edit
Private by default
Your images and results are never public. No gallery, no indexable links.
Auto-delete in 24h
Anonymous uploads and results are wiped within 24 hours, automatically.
Never trained on
We don't use your uploads to train models. Not opt-out — it just doesn't happen.
Delete instantly
One click removes the source and every result. Download links die with it.
Simple pricing
A free first result. Credits when you need more.
5 credits per successful standard image. Two more takes cost up to 10 credits. Failed images are refunded.
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Subscriptions renew monthly and add credits after each successful payment. Packs are one-time purchases, available with or without a subscription. Unused credits carry over and remain after cancellation. No automatic pack purchases.
Honest limits
What AI still gets wrong — and what we do about it
No “100% accurate” promises. Here's the truth, and the workaround.
Faces can drift at Creative strength. If it stops looking like you, drop to Balanced or Subtle — Face lock works hardest there.
Hands and fingers remain the hardest thing in AI imaging. Keep them out of the change region when you can.
Tiny text and fine logos may blur if they're not locked. Turn on Text & Logo lock — we composite the original pixels back.
Complex textures like lace, fur or micro-patterns can simplify. Subtle strength preserves them best.
Big scene swaps can nudge edges of the composition. Lock Composition and expect minor boundary shifts, not layout changes.
Failed generations happen. Timeouts and moderation blocks are labeled clearly and never consume your free quota.
FAQ
Questions, answered straight
A good prompt names what must stay fixed, requests one visual change and describes that change concretely. Subject, composition and crop are common invariants.
Yes. Copy and adapt any prompt on this page. Your first Keepframe generation is free with no sign up and no watermark.
Upload the source, enable Subject and Composition locks, choose one allowed change and start at Balanced or Subtle strength.
The strength may be too high or the prompt may ask for several transformations. Lower strength and isolate a single change.
Text & Logo lock helps preserve them, but small lettering can still fail. Inspect the output at full size before commercial use.
Task-specific tools
Start from your exact job
Each tool pre-configures the right locks and presets for the task.
Sketch to Image AI
Line art to realistic or stylized renders. Outline & composition locked.
Change Background, Keep Person
New scene behind an untouched you. Face, body & pose locked.
Product Image AI
Studio shots and ad variants. Product, logo & packaging locked.
Photo to Anime AI
Anime and manga styles with your face and pose intact.
Interior Design AI
Restyle a room without moving a wall. Layout, doors & windows locked.
Image Variation Generator
Four takes on the same idea. Subject & composition preserved.
AI Headshot Generator
Casual selfie to LinkedIn-ready headshot. Your face, locked.
Virtual Staging AI
Stage empty listings in seconds. Walls & windows never move.
Image Variation Prompts
Copy controlled prompts for lighting, palette, season, background and style.
Photo Variation Examples
Recreate practical before-and-after directions without losing the source.
AI Product Photography
Ecommerce and campaign photo workflows built from one real product.
Product Background Generator
Replace only the set while product, logo and packaging stay consistent.