TubeUpgrade

About

TubeUpgrade is a free YouTube thumbnail downloader that lets you fetch and save thumbnail images from any YouTube video, Short, embed, or Live stream link. By pasting a supported YouTube URL, the page instantly displays a large preview and provides download options for all available thumbnail files and sizes, including maxresdefault (1280×720) when present, plus sd/hq/mq/default and the numbered auto-frame captures (0–3.jpg). The tool emphasizes that downloads come directly from YouTube’s public image CDN (img.youtube.com) and that it does not store, cache, modify, or redistribute images. It also includes guidance on thumbnail dimensions and best practices, explains YouTube’s maximum thumbnail resolution limits, and offers a Chrome extension for one-click downloading directly from YouTube pages.

Problem & solution

Who it's for

Creators, designers, marketers, developers, educators, researchers

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