YouTube Thumbnail Size

1280 × 720px · 16:9

YouTube · Video thumbnail

4:12

The motion-first design workflow that actually ships on time

Jordan Blake

48K views · 2 days ago

The highlighted slot is where your 1280 × 720px asset will go — click it to upload.

1280 × 720px (16:9), minimum 640 × 360px — designed to still read at a fraction of that size.

Recommended size
1280 × 720px
Minimum size
640 × 360px
Aspect ratio
16:9
Max file size
2MB
How it crops

Thumbnails are frequently viewed far smaller than full size — in the suggested-videos sidebar, on mobile — so text and faces need to read clearly at a fraction of your editor's preview.

High contrast and large focal points hold up better under YouTube's compression than fine detail does.

Common mistakes
  • Small text that's legible at full size but disappears once shown at thumbnail-list size.
  • Low-contrast color choices that wash out under compression.
FAQ

Can I use a frame from my own video as the thumbnail?

Yes — it's uploaded and treated like any custom image, so the same size and file-size rules apply.

Does YouTube require a custom thumbnail?

No, it auto-generates one if you don't upload your own, but auto-picked frames rarely look good — custom thumbnails are strongly recommended.

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