YouTube Thumbnail Size (2026): Pixels, Ratio, MB
The current YouTube thumbnail size, aspect ratio and file limits for videos and Shorts, checked on YouTube Help in October 2026, plus which size to actually export.
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Guides, comparisons and how-tos for AI video, AI presenters, UGC-style ads, captions and translation.
How to Make a YouTube Thumbnail (Free, Step by Step)
A practical method for making YouTube thumbnails people click, free and without Photoshop: the frame, the text, the colours, the size and how to test it.
Read moreMake your next video with QuickVeed
Generate videos, put an AI presenter on camera, and caption and translate everything you publish.