YouTube Skippable In-Stream ads are horizontal 16:9 video clips, measured at 1920×1080 px, delivered as MP4 or MOV. They run in the In-Stream placement on YouTube. Encode with H.264 video with AAC audio at 30 fps for clean playback across devices. Mix audio to -24 LUFS, keeping peaks under -2 dBFS.
| Dimensions | 1920 × 1080 px |
|---|---|
| Aspect ratios | 16:9, 9:16, 1:1 |
| Orientation | landscape |
| File types | MP4, MOV |
| Video codec | H.264 |
|---|---|
| Frame rate | 30 fps |
| Audio codec | AAC |
| Audio channels | stereo (2) |
| Loudness | -24 LUFS |
| Peak level | -2 dBFS |
Skippable after 5s. No hard upper limit; 15–30s recommended.
Official source: https://support.google.com/google-ads/answer/2375464