AI thumbnails for YouTube
One photo in. A finished thumbnail out.
Thumbly takes your reference image and redraws it in one of six tested styles at native 16:9. Most images take under 30 seconds. One credit per generation, credits do not expire.
Currently in private beta. 100 free credits are included at signup.
Cinematic
Bold and Vibrant
Neon Glow
The six styles
Each preset uses a tested prompt template that preserves the subject of your reference image.
Cinematic
Dramatic lighting, film color grade, rich shadows.
Bold and Vibrant
High contrast and saturated colors.
Minimal Clean
Negative space, soft lighting, quiet composition.
3D Render
Volumetric lighting and clay texture.
Anime and Manga
Cel-shaded colors and high energy lines.
Neon Glow
Magenta and cyan highlights on a dark background.
How it works
Three steps from your source photo to an uploaded cover.
Upload a reference
A selfie, a product photo, or a game screenshot. The model uses it as visual reference.
Pick a style
Select one of six presets. Add optional custom prompt text to tweak the scene.
Generate and download
The 16:9 result is saved to your gallery and ready to upload to YouTube Studio.
Pricing
100 free credits upon registration. Additional credits come in one-time packs: $5 for 100, $20 for 500, or $40 for 1,200. No monthly subscription.