Video Ad Specifications
A video ad contains a headline and video. Depending on the placement and platform, there is a different interaction when clicking the video:
- Feed on desktop and mobile: The video autoplays.
Redditors can opt out of this feature.
- Conversation and feed on desktop and mobile web: The video plays on click.
- Compact view on desktop and mobile web: Redditor is taken to the landing page.
- All placements for app: Redditor is taken to a page where the video plays alongside the landing page.
You can choose to enable comments for this ad type.
Text
| Maximum length | Required | |
|---|---|---|
| Headline | 300 characters Recommended: ≤ 100 characters Safer limit: ≤ 80 characters | |
| Destination URL | 268 characters | |
| Display URL | 100 characters This must match your destination URL’s domain (e.g., reddit.com) | |
| Call to action | Choose from options |
Video
In most cases, any aspect ratio can be used, but it may cause formatting issues, like black bars appearing. Follow our recommendations to limit issues.
| File type | MP4 or MOV (ProRes not supported) |
|---|---|
| Maximum file size | 1 GB |
| Maximum frame rate | 30 FPS |
| Resolution | See the suggestion based on placement |
| Length | 2 seconds to 15 minutes Recommended: 5–30 seconds |
Cross-device
For best results, use a single video for multiple devices, placements, and view modes.
| Ratio | Resolution | |
|---|---|---|
 | Landscape 4:3 | 1440 x 1080 px |
 | Landscape 16:9 | 1920 x 1080 px |
Mobile
| Ratio | Resolution | |
|---|---|---|
 | Square 1:1 | 1200 x 1200 px |
 | Portrait 4:5 | 1200 x 1500 px |
| Landscape 4:3 | 1440 x 1080 px |
| Landscape 16:9 | 1920 x 1080 px |
Desktop
| Ratio | Resolution | |
|---|---|---|
| Landscape 4:3 | 1440 x 1080 px |
| Landscape 16:9 | 1920 x 1080 px |
Thumbnail
This image is shown before the video plays. Uploading an image will replace the thumbnail based on your video. You can crop and adjust the size after uploading.
| File type | JPG, PNG, or GIF |
|---|---|
| Maximum file size | 3 MB |
| Resolution | Choose an aspect ratio that matches your video |
Things to know
- Combine feed and conversation to show ads across all placements and maximize performance.
- Use the highest resolution that meets the ratio requirements for best quality.
- In most cases, any aspect ratio can be used but may cause formatting issues, like black bars appearing. Follow our recommendations to limit issues.
- Text may be truncated due to factors like browser, device, and font display size. We recommend limiting headlines to 100 characters, or 80 characters if truncation is a concern.
- Use Crop image in ad setup to streamline changing the aspect ratio and cropping of images in your ad.
- We recommend experimenting with different ad types to see what resonates most with your audience. Learn more about our creative best practices.
- A thumbnail will be automatically generated based on the media in your ad for all types except for freeform. You can choose to replace this by uploading a different image.
