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June 10, 2026

Thumbnail Sizes and Specs for Every Platform (YouTube, Shorts, TikTok, Reels)

The definitive reference for thumbnail and cover image dimensions: YouTube (1280×720), Shorts, TikTok, and Instagram Reels. File size limits, aspect ratios, safe zones, and format requirements.

Gildas

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FatThumb

AI YouTube thumbnail generator. Describe it, get a 1280x720 PNG in under 60s with your face consistent every time.

Gildas

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