Video
Published format-level guidance.
Required
Not specified by platform
Recommended
Not specified by platform
Placement-dependent
Not specified by platform
Cphere best practice
Not specified by platform
In-Stream Video Ads
Skippable in-stream, non-skippable in-stream, and bumper ads serve from a video hosted on YouTube.
Required
- Hosting
- The ad must be a video uploaded to YouTube (public or unlisted)
- Maximum File Size
- 256 GB
- Non Skippable Duration
- 7–15 seconds standard; a 16–30 second subtype runs on connected TV only (30-second assets must be horizontal)
- Bumper Duration
- 6 seconds or less
Recommended
- Resolutions
- 1920x1080 (16:9) · 1080x1920 (9:16) · 1080x1080 (1:1) pixels — Minimum 1280x720.
- File Types
- MPG (MPEG-2/MPEG-4) recommended · MP4 · MOV · AVI · WMV · FLV · MPEG-1 · MPEGPS · 3GPP · WebM · DNxHR · ProRes · CineForm · HEVC
- Skippable Duration
- No maximum; under 3 minutes recommended
- Companion Banner
- 300x60 JPEG/GIF/PNG, 150 KB or less; optional and auto-generated when omitted
Placement-dependent
Not specified by platform
Cphere best practice
Not specified by platform
YouTube Shorts Ads
Required
- Duration
- Up to 3 minutes; only the first 60 seconds plays; under 60 seconds recommended
Recommended
- Aspect Ratio
- 9:16 vertical recommended; horizontal and square supported
- Cta Headline
- 40 characters
- Cta Description
- 90 characters
Placement-dependent
Not specified by platform
Cphere best practice
Not specified by platform
In-Feed Video Ads
Required
- Headline Limit
- 100 characters maximum; may shorten after 25 characters on some surfaces
- Description Limit
- Up to 2 lines of 35 characters each
Recommended
Not specified by platform
Placement-dependent
Not specified by platform
Cphere best practice
Not specified by platform