Reddit ad specs

Reddit supports 3 documented ad formats across the Community category. Browse the full list of placements, dimensions, file size limits, and creative requirements for advertising on Reddit. Promoted Posts and Conversation Ads in subreddit feeds and conversation pages.

Frequently asked questions

How many ad formats does Reddit support?
Reddit currently has 3 documented ad formats in this directory.
What kind of platform is Reddit?
Reddit is part of the Community category. See the format list above for placements where ads can run.
Where can I find Reddit's official ad spec documentation?
Each format on this page links out to Reddit's official source. You can also visit https://business.reddithelp.com/s/article/Ad-formats-and-specs for general information.
Are Reddit 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.