One photo in · Athletic build out · Cost shown before you generate
AI Muscle Generator
Upload one photo and add a stronger build to it — keep your face and pose, pick the build, and see the credit cost before you generate.
Upload one clear photo and the model reshapes the physique while keeping your face and pose recognizable.
A lean athletic look, a broad gym physique, a subtle upgrade — describe it and steer the result instead of guessing.
The credit estimate appears up front, and a failed generation is never charged.
AI Muscle Generator
One photo, a stronger build
A real edit made on Kavel with the same model this tool uses. Drag the divider to compare the original photo with the reshaped result. Every output is AI-generated, so your finished picture varies with your photo, your prompt, and the build you describe — treat this as a playful preview of what the tool can do, not a fixed result or a real transformation.
Drag to compare before and after
Add a stronger build in three steps
From one photo to a reshaped build, with the cost shown before you commit.
Upload a photo
Add one clear photo with your upper body visible. A fitted top and even light give the model the most to work with.
Describe the build
Set the look: a lean athletic frame, broad shoulders, defined arms, a subtle upgrade. Specific direction keeps the edit on-brief.
Check credits and generate
Confirm the estimate, generate the reshaped photo, and download it. If a run fails, it is free, so you can adjust and try another build.
Who adds a stronger build to a photo
Different people, the same photo edit, one simple workflow.
Visualising a goal
See a playful preview of a fitness goal on your own photo, and picture the build you are working toward for motivation.
Creators & fun edits
Make a bold before-and-after for a post or a joke, and turn a plain photo into a scroll-stopping what-if.
Everyday what-ifs
Try a stronger build from a favourite photo just to see it, no gym and no commitment required.
Muscle generator FAQ
Common questions about adding a stronger build to a photo with Kavel.
It edits one photo of you so you can preview a more athletic build while keeping your face and pose recognizable. You upload a picture, describe the physique, and the model reshapes it. On Kavel it runs on the Nano Banana image model, and the credit cost is shown before you generate.
You get free credits to try the studio when you sign up, and a failed generation is never charged. Beyond the free credits, an edit spends credits based on the resolution and count, and the estimate always appears before you generate.
Use one clear photo with your upper body visible, a fitted top, even lighting, and a plain background. Sharp, well-lit pictures give the model the most detail, so the reshaped build reads naturally rather than looking distorted.
No. It is a playful, AI-generated preview, not a real fitness result or a medical claim. The edit reshapes your photo; it does not change your body. Treat it as a fun what-if, not proof of anything.
Be specific: name the build, the proportions, and the areas to change, and mention keeping your face and pose unchanged. Detailed direction keeps the edit on-brief, and because failed runs are free, you can refine the prompt and try again. A clear, fitted-top starting photo also helps the model shape a believable result.
No. The same studio also changes hair, swaps outfits, and upgrades selfies, so one workflow covers a range of edits well beyond a single build.
Kavel pricing — pay only for what you generate
One credit pool covers Nano Banana images and Seedance and Veo video. The cost shows before every run, and failed jobs are not charged. Use a subscription for ongoing work, or a one-time pack when you just need to top up.
Starter
What's included
- 33,500 credits per year
- Works with Nano Banana images and Seedance and Veo video
- Cost preview before you generate
- Generation history
Creator
What's included
- 89,700 credits per year
- Access to Seedance 2.0, Fast, and Mini
- Nano Banana 2 generation and editing
- Priority credit top-ups
Studio
What's included
- 166,800 credits per year
- Built for high-volume Kavel generation
- Plenty of room for 4K rendering
- Available across the supported models
Credit packs
One-time top-ups — buy extra credits any time you run low.
Credit Pack 1500
What's included
- 1,500 credits
- No ongoing subscription
- Available across the supported models
Credit Pack 3600
What's included
- 3,600 credits
- No ongoing subscription
- Available across the supported models
- Use for both video and image generation
Credit Pack 9000
What's included
- 9,000 credits
- No ongoing subscription
- Handy for Seedance 2.0 final renders
- Valid for 365 days
Powered by
One credit balance for every Kavel image and video model
Use one balance across the supported image and video models (Nano Banana 2 / Seedance 2 / Veo 3.1), and check the credit cost before each request.
Video models
Image models
Model credit guide
What each model costs in credits
You're only charged for successful generations. The exact estimate in the generator varies by model, length, resolution, audio, and number of images.
| Type | Model | Credit cost |
|---|---|---|
| Video | Seedance 2.0 | 5s 720p image-to-video ≈ 188 credits; text-to-video ≈ 308 credits. Scales with resolution and length. |
| Video | Seedance 2 Fast | Faster and lower cost. 5s 720p text-to-video ≈ 248 credits. Mini is cheaper still. |
| Video | Veo 3.1 | Billed per video (Lite). About 34 credits at 1080p, about 23 at 720p. |
| Image | Nano Banana 2 | Generate or edit from text and images. About 8 credits per 1K image, 12 at 2K, 18 at 4K. |
| Image | Nano Banana 2 Lite | Lower-cost variant. About 5 credits per 1K image. Start here to test. |
Explore more of the image studio
The model behind the edit, and other ways to restyle a photo.
Add a stronger build to a photo
Upload a photo, describe the build, check the credits, and reshape your physique in one pass.