AI thumbnail maker for YouTube that generates scroll-stopping covers in seconds
On-brand images and PDFs on autopilot
Stage
Not given
Startup
Founded
Not given
2026
Based in
Not given
GB
Pricing model
Freemium
Freemium
Pricing
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
Not given
Key features
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
HTML to PDF conversion
HTML to image conversion
AI template generator from text
Image to template conversion
Brand kits for logo, colors, and fonts
Smart resize for multiple dimensions
Spreadsheet batch processing
ChatGPT and Claude integration via MCP
REST API for custom integrations
Zapier, Make, and n8n integrations
What makes it different
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
Works with your existing AI tools like ChatGPT and Claude through MCP connectors
Editable design layers instead of generated images, ensuring brand consistency
Free plan with 50 monthly credits, no card required
Same tools across all plans: templates, brand kits, AI builds
Thumbo
thirds.ai