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

What is LinkedIn?
LinkedIn is a Professional platform that supports 4 documented ad formats on All Ad Specs.
How many ad formats does LinkedIn support?
LinkedIn currently has 4 documented ad formats in this directory, each with full dimensions, file size limits, and codec requirements.
What kind of platform is LinkedIn?
LinkedIn is part of the Professional category. See the format list above for placements where ads can run.
How does LinkedIn compare to other publishers in this directory?
Each publisher has its own catalog of ad formats with different dimensions, file size limits, and creative rules. Compare LinkedIn's 4 formats against any other publisher in the All Ad Specs directory by browsing their respective pages.
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.