Thumbnail Studio
Thumbnail Studio
Upload references, describe the concept, or pick a template. Thumbnail Studio uses Google's Gemini 3 Pro image model to generate pro-grade YouTube thumbnails, then refines and upscales them to 4K.
Looking for a general AI thumbnail generator? Start with the AI YouTube thumbnail generator guide
Features
Pro thumbnails in seconds, no Photoshop required.
Prompt or reference
Start from a text description, upload reference images of yourself or your style, or pick a template.
Multiple variations
Generate a batch of variations per concept. Mix subjects, backgrounds, expressions, and text overlays.
Refine and iterate
Refine the winning concept in natural language. Adjust colors, add text, change the background, fix the face.
4K upscale
Upscale the final thumbnail to crisp 4K resolution before publishing. Looks sharp on every device.
How it works
Three steps from idea to publish
Describe or upload
Type a prompt, upload reference images, or start from a template.
Generate variations
AI produces multiple thumbnail concepts in seconds. Compare and pick the winner.
Refine & upscale
Iterate in plain English, then upscale to 4K and download.
Frequently asked questions
What AI model generates the thumbnails?
Can I upload reference images of myself?
What resolution are the thumbnails?
Are there usage limits?
Recent updates
Full changelog- v1.3.0Similar Titles & Thumbnails
Find videos with similar titles or thumbnails from any result, and jump straight into Thumbnail Studio.
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