YouTube — In-Feed Video Ad (Discovery)

Video · Video · Verified 2026-06

Live preview

1920×1080

shown at 24%

Sample feed post

Size (px)

Ratio16:9

Max weight256 GB

Max durationNo maximum (any length YouTube video)

Max video256 GB

Formats · VideoMP4, MOV, MPEG-4, WebM

Text limits

Headline 100 chars

Description 35 chars

Appears in YouTube search results, Watch Next, Home, and Subscription feeds as a thumbnail and text.

Choose from four auto-generated thumbnails or upload a custom one.

Charged on click or 10-second autoplay view.

Descriptions do not display on desktop watch pages or TV.

What size is the YouTube In-Feed Video Ad (Discovery)?

The YouTube In-Feed Video Ad (Discovery) is 1920×1080 px, aspect ratio 16:9.

What is the aspect ratio of the YouTube In-Feed Video Ad (Discovery)?

16:9. At the recommended resolution that is 1920×1080 px.

What is the maximum file size for the YouTube In-Feed Video Ad (Discovery)?

Up to 256 GB, in .

How long can the YouTube In-Feed Video Ad (Discovery) be?

No maximum (any length YouTube video).

Why does YouTube crop my In-Feed Video Ad (Discovery)?

YouTube shows In-Feed Video Ad (Discovery) at 16:9. Upload exactly 1920×1080 px and keep key content in the safe area so nothing gets cut off.

Is 1920×1080 still correct for the YouTube In-Feed Video Ad (Discovery) in 2026?

Yes. Last verified 2026-06 against the official YouTube documentation.

Test a file against this exact spec before you upload it anywhere.

Nothing is uploaded or saved — the check runs entirely in your browser.

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