Advertise on Reddit. Reach influential communities talking about today’s most relevant content.
Card image: 1200px x 628px (optional), 3MB max file size.
Thumbnail image: 400px x 300px or aspect ratio of 4:3.
500 kb max file size (optional).
Dimensions: Recommended: 1:1 Square; 4:5 Vertical;
4:3 Classic; 16:9 Full Landscape.
Autoplay if native, click to play if third party video.
File type: MP4, MOV
Video file size: 1 GB max.
Length: 0:05 – 0:30 recommended.
Headline/Post title: 300 character max
Post copy: 40,000 character max (optional)
Square & SemiVertical work best’ (1080×1350)
Use long copies: Audience looking for content.
