Convert any video or image into a detailed AI prompt for Sora, Veo 3, Kling, Runway and Seedance
AI thumbnail maker for YouTube that generates scroll-stopping covers in seconds
Stage
Not given
Not given
Founded
Not given
Not given
Based in
Not given
Not given
Pricing model
Free
Freemium
Pricing
Not given
Lite: $19/month (or $14/month annually) for 35 thumbnails per month. Starter (most popular): $39/month (or $29/month annually) for 75 thumbnails per month. Pro: $79/month (or $59/month annually) for 200 thumbnails per month. All plans include a 7-day free trial and full access to 50+ style packs. Fr
Key features
Upload MP4, WebM, MOV videos up to 20MB or JPG, PNG, WEBP, GIF images up to 10MB
Paste direct video links for analysis
Model-optimized prompts for Sora, Veo 3, Kling, Runway, Seedance and GPT Image 2.5
Generate prompts in ten output languages
Storyboard mode breaks clips into numbered shot lists
No sign-up required, no watermarks
Local browser history storage, no data collection
Daily usage allowance per visitor
50+ pre-made Style Packs for different niches
Copy the visual style of any YouTube video or channel
Custom persona from 1-3 photos for consistent facial appearance
Plain-language editing with natural text commands
2K resolution thumbnails in 16:9 and 9:16 formats
Automatic video analysis from YouTube links
Video caption support up to 40 characters
Faceless channel support
Free tools including YouTube thumbnail downloader and resizer
Version history to revert to earlier thumbnail versions
What makes it different
Vision-language model notices professional details like chiaroscuro lighting, 35mm depth, whip pans and teal-orange grading that people miss in manual descriptions
Structured five-part prompt format professional brief designed for AI model performance
Wording automatically adapted for each target model's specific syntax and vocabulary
Privacy-first design with immediate deletion and no tracking or accounts
Fast professional-grade prompts generated in seconds instead of manual hour-long trial and error
Generate finished thumbnails in 30 seconds without designer experience
No complex prompts required—choose from proven style packs instead
Automatically reads video content to suggest appropriate thumbnail designs
Consistent facial appearance across all thumbnails via persona feature
2K resolution exports optimized for YouTube that stay under 2MB file limit
Video to Prompt
Thumbo