Ad Creative

Reddit video ad specs for 2026: MP4 and MOV, 1 GB max, 2 seconds to 15 minutes, five aspect ratios with exact sizes, thumbnails and tips.

Reddit ad types explained: image, video, carousel and free-form ads, plus Reminder, AMA, Interactive and commerce formats, placements and how to choose.

How to make Reddit meme ads that get shared: one message, under 5 words, a meme people already know, an unbothered tone, plus why most company memes fail.

Why AI-generated creative flops on Reddit ads: our app install data, what Redditors respond to instead, and where AI can safely help.

How to write Reddit ad headlines that stop the scroll: ideal length, problem-first copy, a self-aware tone, what to avoid and how to test headlines.

Reddit ad examples: real headlines from 14,949 ads, the patterns behind them, which Reddit-native styles almost nobody uses, and what to copy or skip.

Reddit's free-form ad generator and tailored creative assets explained, what our data says about AI creative on Reddit, and how to use it well.

Redditor Highlights explained: how Reddit adds real posts and an AI summary to your ads, who's eligible, placements, results, and how to qualify.

Every Reddit ad spec on one page: image, video and carousel sizes, aspect ratios, file limits and character counts. Checked against Reddit's help pages.

We analyzed 43,000+ Reddit ads, an update of our 24,000-ad study: best headline length, comments, objectives, UTM tracking and how many ads to run in 2026.