12-factor scoring engine

Thumbnail Analyzer

Score your YouTube thumbnail against 12 proven click-through factors. Get specific improvements.

Drop your thumbnail here

or click to browse · JPG, PNG, WebP · any size

100% private — analyzed in your browser, never uploaded

Upload

Drop any thumbnail — JPG, PNG, or WebP. Private: analyzed in your browser only.

Analyze

12 factors scored: contrast, vibrancy, composition, resolution, faces, and more.

Improve

Get specific, actionable tips for every factor that needs attention.