LinkedIn ad specs

LinkedIn supports 4 documented ad formats across the Professional category. Browse the full list of placements, dimensions, file size limits, and creative requirements for advertising on LinkedIn. Sponsored Content, Message Ads and Text Ads on LinkedIn's professional feed and inbox.

Frequently asked questions

How many ad formats does LinkedIn support?
LinkedIn currently has 4 documented ad formats in this directory.
What kind of platform is LinkedIn?
LinkedIn is part of the Professional category. See the format list above for placements where ads can run.
Where can I find LinkedIn's official ad spec documentation?
Each format on this page links out to LinkedIn's official source. You can also visit https://www.linkedin.com/help/lms/answer/a426102 for general information.
Are LinkedIn 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.