AI thumbnail maker for YouTube that writes the brief, generates the image and checks it at feed size
AI video prompt library with real video references for Seedance
Stage
Not given
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Founded
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Based in
MA
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Pricing model
Paid
Freemium
Pricing
Not given
Free: $0.00 with 12 curated prompt samples and all 22 built-in Builder templates. Pro: $2.90/month for all prompts, search, filters, download of every prompt in one file, and ability to create similar prompts from the library. Non-refundable.
Key features
Paste YouTube video link to automatically write brief from title, description and transcript
Text is read back and corrected if letters are wrong
Checked at feed size with readability graded at 336 pixels
Brand kit to apply channel colors, lettering and visual style to every thumbnail
Export at 4K resolution (3840×2160) recommended by YouTube
Auto-Polish finds weakest point and fixes it automatically
Browse video references to explore camera movement, atmosphere, and storytelling
Use Builder templates to adjust subject, scene, and action
22 built-in Builder templates included with free access
Download every prompt in one file with Pro
Create similar prompts from the library
Search and filter all prompts with Pro
12 curated prompt samples available for free
Prompts for cinematic camera moves, one-take scenes, and R2V references
What makes it different
Text automatically checked and corrected before you see the image
Built specifically for YouTube's constraints like duration badge corner and feed size
Full commercial rights with no watermark on any plan
Real video references for visual inspiration before creation
Per-prompt Builder templates for customizing prompts
Workflow from reference inspiration to production-ready prompts
ThumbnailMaker
Seedance2Prompts