Fumbnailer

Turns a YouTube video link, uploaded file, or text prompt into thumbnail variations, with face upscaling and style matching for consistent branding.

Fumbnailer: In beta, open to join. Get it at fumbnailer.com.

Fumbnailer is a thumbnail generator for YouTube creators, podcasters, and content professionals who want to stop spending hours designing thumbnails. Users paste a video link or upload a file, and the tool analyzes the video's context, emotion, and key moments, extracts suitable frames, and composes them into multiple thumbnail variations. Face enhancement automatically upscales and sharpens facial features, while style matching keeps branding consistent across videos. A text-to-image mode creates thumbnails from a written description, and users can make quick edits before exporting. The first 3 thumbnails are free, with no credit card required.