Fitness tip cover
Input
A vertical cover of a person doing a plank with a determined expression and a bright background
Expected output
A clean vertical cover with a strong subject and high contrast.
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AI YouTube Shorts Thumbnail Generator
Use an ai youtube shorts thumbnail generator to create bold vertical covers from a text prompt, then review and download the right fit for your video.
AI Image Generator
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How to generate YouTube Shorts thumbnails with AI
Describe a vertical composition with one clear focal point—name the subject, emotion, high-contrast colors, and simple background. Choose generation settings for a vertical format, then generate, review the result at small size, and download a cover that reads instantly in the Shorts feed.
AI YouTube Shorts Thumbnail Generator
Money tip cover
Input
A close-up of a stack of coins with an upward arrow, bold colors, simple background
Expected output
A focused finance cover with a clear visual metaphor.
Reaction video cover
Input
A surprised face illustration with an open mouth on a bold red background
Expected output
A playful high-energy cover that reads instantly at small size.
Create bold vertical cover images for YouTube Shorts that grab attention at small sizes.
Built for vertical feeds
Describe a tall composition and get a cover that fits the Shorts format from the start.
One prompt, many options
Adjust the description to test different subjects and emotions quickly.
No design tools required
Turn a sentence into a thumbnail without opening an editor or a template.
How It Works
1
Describe the visual
Describe the desired image.
2
Adjust the settings
Choose the available generation settings.
3
Generate and review
Generate, review, and download a suitable result.
Shorts thumbnail guidance
Keep the subject large and the background simple for small screens.
Input Constraints
- Describe a vertical composition with one clear focal point.
- Leave space for short text if you plan to add a label.
- Avoid real people, brand logos, or copyrighted characters.
- Do not claim specific view counts or performance.
- Review the result at a small size before use.
Practical Tips
- Name the emotion, such as 'shocked', 'determined', or 'excited'.
- Mention high-contrast colors for readability.
- Specify the background, like 'solid yellow' or 'blurred city'.
- Regenerate with a simpler description if the cover feels busy.
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.
Fitness motivation cover
A vertical Shorts cover of a person mid-plank with a determined expression, bold orange background, high contrast, simple composition, no text.
Bold orange and high contrast make the cover stand out in the feed, and the determined expression signals motivational content.
Finance tip cover
A vertical close-up of stacked coins with an upward arrow graphic, bold green and black colors, simple background, no text.
Green signals money, the upward arrow is a clear metaphor for growth, and the simple composition stays legible at small sizes.
Reaction video cover
A vertical illustration of a surprised face with wide eyes and open mouth on a bold red background, playful cartoon style, no text.
Bright red and exaggerated expression grab attention instantly, and the cartoon style feels approachable and fun.
Quick recipe cover
A vertical close-up of a steaming bowl of pasta with fresh basil, warm kitchen lighting, appetizing colors, simple composition, no text.
Warm colors and visible steam make the food look appetizing, and the close-up keeps the focus on the dish.
Tech tip cover
A vertical shot of a smartphone screen glowing with a notification, dark background, bright blue glow, clean modern style, no text.
Blue glow on a dark background creates high contrast, and the notification screen signals tech or productivity content.
Comedy skit cover
A vertical illustration of a confused character with question marks floating above their head, bright yellow background, cartoon style, no text.
Bright yellow and confused expression signal comedy, and the cartoon style keeps the mood light and shareable.
Best use cases
Match the workflow to the input you have and the result you need before opening the generator.
Fitness or workout Short
Input: Person mid-exercise, determined expression, bold warm colors
Result: High-energy vertical cover with strong subject and contrast
Tool: Text to Image with vertical composition and fitness keywords
Finance or money tip Short
Input: Money object with growth metaphor, bold green or black, simple background
Result: Clean vertical cover with clear visual metaphor
Tool: Text to Image with vertical composition and finance keywords
Reaction or comedy Short
Input: Exaggerated expression, bold color, cartoon or illustration style
Result: Playful high-energy cover that reads instantly
Tool: Text to Image with vertical composition and reaction keywords
Quick recipe or cooking Short
Input: Food close-up, warm lighting, appetizing colors, simple background
Result: Warm vertical cover with clear food focus
Tool: Text to Image with vertical composition and food keywords
Limitations to know before generating
- The tool generates vertical images from text prompts; review the result at actual Shorts thumbnail size to confirm readability.
- Text inside generated images may not appear reliably, so plan to add short labels in your video editor if needed.
- Describe one clear focal point and high-contrast colors; busy compositions lose impact at small sizes.
- Confirm you have the rights to use the generated image as a Shorts cover before publishing.
Creative Suite: AI Video Generator & AI Image Generator Tools
Power up your creative workflow with our AI-driven tools. Generate stunning videos, create images, and apply custom adjustments - our AI Video Generator and AI Image Generator offer a complete solution for all your creative needs.
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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
Create your next Shorts cover
Open the image generator, describe a bold vertical cover, and download a thumbnail ready for your Short.