Insert Person AI 1

AI thumbnail maker for creating, scoring, and testing YouTube thumbnails Thumio is an AI-powered YouTube thumbnail editor and generator designed for creators who want to produce higher-performing thumbnails. It turns video titles, footage, photos, and channel references into ready-to-post thumbnail designs using proven templates and recipes. Users can insert their face into designs, generate creative variations, score thumbnails for composition, clarity, emotion, and curiosity, and run A/B tests on real YouTube videos through paid plans. Thumio also supports thumbnail sets, reusable composites, bulk edits, CTR reports, AI title suggestions, image upscaling, and automatic resizing for Shorts, TikTok, Instagram, X, and Pinterest.