Reddit Promoted Post — Video ad specs

Reddit Promoted Post — Video ads are horizontal 16:9 video clips, measured at 1280×720 px, up to 1000 MB per file, up to 900 seconds long, delivered as MP4 or MOV. They run in the Feed placement on Reddit. Encode with H.264 video with AAC audio at 30 fps for clean playback across devices.

Visual specifications

Dimensions1280 × 720 px
Aspect ratios16:9, 1:1, 4:5, 9:16
Orientationlandscape
Max file size1000 MB
File typesMP4, MOV

Video & audio

Max duration900 sec
Video codecH.264
Frame rate30 fps
Video bitrate8000 kbps
Audio codecAAC
Audio channelsstereo (2)
Sample rate48000 Hz

Copy limits

Headline300 chars

Notes & source

Up to 15 minutes; 15–30s recommended.

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

Frequently asked questions

What size are Reddit Promoted Post — Video ads?
Reddit Promoted Post — Video ads are 1280×720 pixels with an aspect ratio of 16:9.
What aspect ratio does Reddit Promoted Post — Video use?
Reddit Promoted Post — Video supports 16:9, 1:1, 4:5, and 9:16 aspect ratios.
What is the maximum file size for Reddit Promoted Post — Video?
Files for Reddit Promoted Post — Video can be up to 1000 MB.
How long can a Reddit Promoted Post — Video video be?
Reddit Promoted Post — Video videos can run up to 900 seconds.
Which file formats does Reddit Promoted Post — Video accept?
Reddit Promoted Post — Video accepts MP4 and MOV files.
What codec should Reddit Promoted Post — Video ads use?
Encode Reddit Promoted Post — Video with H.264 and AAC at 30 fps.
What are the copy limits for Reddit Promoted Post — Video?
Reddit Promoted Post — Video copy is limited to 300-character headlines.
Where does Reddit Promoted Post — Video appear on Reddit?
Reddit Promoted Post — Video ads appear in the Feed placement on Reddit.