YouTube

YouTube Masthead Ad Size: 1920×1080 px

Aspect ratio 16:9 · 1920×1080 pixels · MP4, MOV

The video ad that appears at the top of YouTube's homepage. Reservation-buy only — no self-serve.

Dimensions
1920×1080
Aspect
16:9
Max file
256.0 GB
Length
0–30s
Resize to 1920×1080
Safe area
1920 × 1080 px

Why this size matters

One-day reach into every YouTube user in a country. Used for launches and tentpole moments, not always-on performance.

At a glance
Formats
MP4, MOV
Max file size
256.0 GB
Length
0–30 seconds
Best for
Homepage takeover — reservation-only.

Design tips that actually move the needle

  1. 01Reservation-buy through a Google rep; not available self-serve.
  2. 02Autoplay muted by default — design a silent-cut that works, plus a with-sound version.
  3. 03Companion video card sits below — treat it as second act of the story.

People also ask

Is Masthead worth the cost?+

For product launches and category-defining moments, yes. For always-on performance, no — the CPM/CPA math never works.

What is 16:9 in pixels?+

For YouTube Masthead, a 16:9 aspect ratio is 1920×1080 pixels. Any resolution with the same ratio works, but 1920×1080 px is the recommended native size and avoids upscaling.

Is 1920×1080 the right size for YouTube Masthead?+

Yes — 1920×1080 px (16:9) is the recommended YouTube Masthead ad size. Accepted formats: MP4, MOV. Maximum file size: 256.0 GB.

Related sizes

YouTube
In-Stream (skippable) · 1920×1080
16:9 · Long-form storytelling — highest-fidelity YouTube ad slot.
TikTok
TopView · 1080×1920
9:16 · Category-launch takeover — first ad users see on app open.

Free tools for this size

Aspect ratio reference

→ 16:9 aspect ratio: pixel sizes, mm and placements

Full platform reference

→ All YouTube ad specs

Stop resizing by hand. Xeli does it for you.

Xeli composes every asset to the correct native aspect and safe zone per placement — automatically, across every platform.

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