Reddit Promoted Post — Image ad specs

Reddit Promoted Post — Image ads are horizontal 1.91:1 still images, measured at 1200×628 px, up to 20 MB per file, delivered as JPG or PNG. They run in the Feed placement on Reddit. Use these requirements to brief designers, validate uploads, and avoid creative rejections in Reddit's ad manager.

Visual specifications

Dimensions1200 × 628 px
Aspect ratios1.91:1, 1:1, 4:5
Orientationlandscape
Max file size20 MB
File typesJPG, PNG

Copy limits

Headline300 chars

Notes & source

Title up to 300 characters; first ~80 most visible.

Official source: https://business.reddithelp.com/s/article/Ad-formats-and-specs

Frequently asked questions

What size are Reddit Promoted Post — Image ads?
Reddit Promoted Post — Image ads are 1200×628 pixels with an aspect ratio of 1.91:1.
What aspect ratio does Reddit Promoted Post — Image use?
Reddit Promoted Post — Image supports 1.91:1, 1:1, and 4:5 aspect ratios.
What is the maximum file size for Reddit Promoted Post — Image?
Files for Reddit Promoted Post — Image can be up to 20 MB.
Which file formats does Reddit Promoted Post — Image accept?
Reddit Promoted Post — Image accepts JPG and PNG files.
What are the copy limits for Reddit Promoted Post — Image?
Reddit Promoted Post — Image copy is limited to 300-character headlines.
Where does Reddit Promoted Post — Image appear on Reddit?
Reddit Promoted Post — Image ads appear in the Feed placement on Reddit.
Where can I find the official Reddit Promoted Post — Image documentation?
The official source for Reddit Promoted Post — Image requirements is https://business.reddithelp.com/s/article/Ad-formats-and-specs, linked from this page.
Are these Reddit Promoted Post — Image specs kept up to date?
Yes — every spec entry references Reddit's official documentation source so dimensions, file size limits, and codec requirements stay in sync as the platform changes.