Thumbly

Thumbly is an AI thumbnail generator designed for YouTube and TikTok creators. Paste a video URL or upload a file, choose from over 20 style presets, and produce multiple formats in one batch. You can fine-tune results with the Style Tuner, custom prompts, and a Face Library that

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In plain words

Thumbly is an AI thumbnail generator for YouTube and TikTok creators that produces thumbnails in 30 seconds from video URLs or uploaded files. Users can select from over 20 style presets, customize results with a Style Tuner and prompts, and manage multiple formats in batch. The tool includes a Face Library to maintain creator likeness, AI-powered editing, face-swapping for testing, and a scoring system that evaluates designs across virality, clarity, idea, curiosity, and emotion.

written from the facts on this page · September 2026

From the sources

Most creators spend hours and hundreds on thumbnails. Thumbly fixes that. Paste a video URL, pick from 20+ style presets, and get a download-ready thumbnail in 30 seconds. Includes Face Library, Style Tuner, FaceSwap, AI editing, and thumbnail scoring so you know it'll perform. Plans from $29/month.

AI thumbnail generator for YouTube and TikTok. Paste a video URL, pick from 20+ style presets, and download finished thumbnails in 30 seconds. Face Library, Style Tuner, AI editing, FaceSwap, and thumbnail scoring. Plans from $29/month.

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