Square social media graphic
Input
A coffee shop announcement graphic with warm tones and minimalist design, square format for Instagram
Expected output
A square-format graphic suitable for Instagram posts
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AI Image Generator Aspect Ratio
Control image dimensions with aspect ratio keywords. Describe square, wide, portrait, or custom ratios in your prompt—generate and download.
AI Image Generator
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How do I control aspect ratio in AI image generation?
Include aspect ratio cues in your prompt—'square format', 'wide landscape', 'portrait orientation', or specific ratios like '16:9' or '4:5'. Many generators also offer aspect ratio settings. Describe your subject, specify the format, and generate.
AI Image Generator Aspect Ratio
Wide website banner
Input
A wide landscape hero banner showing a mountain valley at sunrise, panoramic format
Expected output
A wide panoramic image suitable for website headers
Portrait phone wallpaper
Input
An abstract gradient background with soft blues and purples, vertical portrait orientation for phone wallpaper
Expected output
A vertical portrait-format image suitable for mobile screens
Generate images with specific aspect ratios by describing dimensions, orientation, or format in prompts
Format-specific generation
Generate images that fit your target platform or use case by specifying aspect ratio in the prompt.
Platform optimization
Create images optimized for Instagram, website headers, phone screens, or print by describing the format.
Composition control
Aspect ratio influences composition—wide for landscapes, portrait for figures, square for balanced designs.
How It Works
1
Describe the image
Describe the desired image.
2
Choose settings
Choose the available generation settings.
3
Generate and review
Generate, review, and download a suitable result.
Tips for AI Image Generator Aspect Ratio
Get more useful results with these practical suggestions.
Input Constraints
- Describe visual elements rather than abstract concepts
- Specify composition, style, and mood when possible
- Keep descriptions focused on what the image should contain
Practical Tips
- Start with the main subject then add detail layers
- Mention lighting, color palette, and framing for better control
- Review each result and adjust the prompt for closer alignment
Privacy
- Do not upload personal or sensitive material unless you have permission to use it.
Usage Rights
- Confirm that you have the rights needed for the inputs and intended use of the result.
Prompt recipes
Copy a structure, then adjust the subject, lighting, camera, and output details for your own result.
Instagram post (1:1 square)
A vibrant flat lay of healthy breakfast foods on a white table, overhead view, square format for Instagram, bright natural lighting
Square format keyword, Instagram use-case specified, overhead view suits flat lay composition, natural lighting creates approachable food photography tone.
YouTube thumbnail (16:9 wide)
A dramatic landscape of snowy mountains at sunset, wide cinematic 16:9 format, bold composition for video thumbnail
16:9 ratio specified, cinematic keyword guides style, dramatic and bold cues suit thumbnail attention-grabbing needs.
Pinterest pin (2:3 portrait)
A cozy reading nook with armchair and bookshelf, vertical 2:3 format for Pinterest, warm inviting lighting, lifestyle photography style
2:3 ratio matches Pinterest standard, vertical format suits platform, warm lighting and lifestyle style align with Pinterest aesthetic.
Website hero banner (21:9 ultra-wide)
A panoramic cityscape at twilight with illuminated buildings, ultra-wide 21:9 format for website hero, cinematic color grading
21:9 ultra-wide format suits hero sections, panoramic keyword reinforces width, twilight timing and cinematic grading create premium look.
Phone wallpaper (9:16 vertical)
An abstract geometric pattern in blues and purples, vertical 9:16 format for phone wallpaper, centered focal point, minimalist design
9:16 ratio matches phone screens, vertical orientation specified, centered focal point works for lock screens, minimalist avoids clutter.
Best use cases
Match the workflow to the input you have and the result you need before opening the generator.
Social media posts
Input: Square (1:1) or portrait (4:5) format, platform name mentioned, eye-catching subject
Result: Image optimized for Instagram, Facebook, or other social platforms
Tool: Text to Image
Website banners
Input: Wide landscape (16:9 or 21:9), panoramic keyword, space for text overlay
Result: Hero banner or header image for web pages
Tool: Text to Image
Mobile wallpapers
Input: Vertical portrait (9:16 or 9:20), centered composition, minimal text
Result: Full-screen background image for phones
Tool: Text to Image
Print materials
Input: Standard print ratio (4:3 or 3:2), high-detail subject, appropriate DPI mentioned
Result: Image ready for physical printing
Tool: Text to Image
Limitations to know before generating
- Aspect ratio keywords in prompts may not override generator settings—check available options
- Some generators have fixed aspect ratios or limited preset options
- Extreme aspect ratios (very wide or very tall) may produce composition challenges
- Generated images may require cropping to match exact platform specifications
- Resolution and aspect ratio are separate—specify both if you need high-resolution output
Creative Suite: AI Video Generator & AI Image Generator Tools
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Pricing
Choose the credit package that works best for you.
No hidden fees • Cancel anytime • Unused credits roll over
Starter
Perfect for trying out AI creation.
Credits
2,400 credits per year
- Up to 20 videos per month
- Up to 100 images per month
$5.00/ month$9.9950% OFF
$59.99/year billed yearly
You save $60 · the equivalent of 6 months free
What's included
- Credits never expire
- Standard models
- HD, Watermark-Free Downloads
- Private Generation
- Faster Generation Speed
- Ad-free experience
Basic
Perfect for light creators.
Credits
6,000 credits per year
- Up to 50 videos per month
- Up to 250 images per month
$10.00/ month$19.9950% OFF
$119.99/year billed yearly
You save $120 · the equivalent of 6 months free
What's included
- Credits never expire
- Standard models
- HD, Watermark-Free Downloads
- Private Generation
- Faster Generation Speed
- Ad-free experience
Pro
PopularBest value for creators.
Credits
14,400 credits per year
- Up to 120 videos per month
- Up to 600 images per month
$33.33/ month$39.992 Months Free
$399.99/year billed yearly.
Save $80 compared to monthly
What's included
- Credits never expire
- All models
- HD, Watermark-Free Downloads
- Private Generation
- Faster Generation Speed
- Ad-free experience
Ultra
For video creators and power users.
Credits
60,000 credits per year
- Up to 500 videos per month
- Up to 2,500 images per month
$83.33/ month$99.992 Months Free
$999.99/year billed yearly.
Save $200 compared to monthly
What's included
- Credits never expire
- All models + Early access to new models
- HD, Watermark-Free Downloads
- Private Generation
- Faster Generation Speed
- Ultra HD resolution
- Ad-free experience
Questions? Contact us at support@domer.io
Start generating with aspect ratio control
Open the text-to-image tool and describe the format and dimensions you need.