YouTube ad specs

YouTube supports 4 documented ad formats across the Video category. Browse the full list of placements, dimensions, file size limits, and creative requirements for advertising on YouTube. Skippable / non-skippable in-stream, bumper and Shorts ads on YouTube and YouTube Music.

Frequently asked questions

How many ad formats does YouTube support?
YouTube currently has 4 documented ad formats in this directory.
What kind of platform is YouTube?
YouTube is part of the Video category. See the format list above for placements where ads can run.
Where can I find YouTube's official ad spec documentation?
Each format on this page links out to YouTube's official source. You can also visit https://support.google.com/youtube/answer/2467968 for general information.
Are YouTube ad specs kept up to date?
Yes — every format page references the original publisher source so the dimensions, file size limits, and codec requirements stay in sync.