Creative Ad Specs

Whether you’re going standard display, native, video, or high-impact, we have the creative specifications needed to power your ads.

Standard Native

File: GIF or MP4 (3:2 ratio*, up to 30MB)
Length: 10 sec max** (x3 or x1 loop)
Title: 70 recommended, 100 max
Brand name: 60 characters
CTA: Selected from predefined list (10 languages supported)
Best for: Consideration, Performance
Devices: All
Placement: In the Feed
* If the ratio is different or doesn’t match the widget size, a blurred padding is added.
** If the uploaded file is longer than 10 seconds, it is automatically shorten according to the most engaging part of the file

Image: Up to 1200px, in a 1:1 ratio (display size is 300x300px)
GIF: Maximum file size of 12 MB
Title: 150 characters
Brand name: 25 characters
Image format: JPG, PNG
Main image weight: max 2.5 MB
Brand name: 60 characters
Title: 100 characters
CTA: Selected from predefined list (10 languages supported)
Brand logo: Minimum 40x40px, maximum 400x400px, 1:1 ratio
App Store Average Rating (Optional): App store product ID for both Android and iOS
Best for: Performance
Devices: Mobile
Placement: In the Feed

Image: PNG or JPEG, 800 x 520, 2.5 MB max
Video file: MP4, MOV, VAST or VPAID, FPS: 24, 100MB (350 MB max), 16:9 aspect ratio, Bit rate above 1000 Kbps
Video length: 6s min, 180s max
Title: 60 characters
Brand name: 25 characters
CTA (optional): PNG, JPEG
Branded player background (optional): 16:9, 1920 x 1080 minimum, 1 MB max
Branded player logo (optional): 800 x 600 max, 400 KB max
Best for: Consideration
Devices: All
Placement: In the Feed

File types: mp4, .mpeg, .mpg, .mov, .3gp, .avi (mp4 – H264 AAC recommended)
Tags supported: VAST 2.0, 3.0, 4.0, / VPAID 2.0 (must be encapsulated into a VAST)
Video size: 1MB min, 250 MB max
Video length: Up to 60s
Aspect ratio: Landscape (16:9, 1.91:1, or 4:3), Vertical (9:16, 1:1.91 or 4:3), Squared (1:1)
Frame rate: Up to 30 FPS
Bitrate: 300 Kbps min, 3500 Kbps max
Click Through URL: Optional (but recommended)
Impression tracker: Optional
Tracking: Must be HTTPS (able to serve via SSL)
Best for: Reach & Scale
Devices: All
Placement: In & above the Feed

Supported format sizes: 336×280, 300×600
File type: PNG, JPG, MP4
Main image/video weight: 2.5 MB maximum
Main image/video ratio: 1:1.3 (recommended size 1,200 x 1,560) / 1:1 (recommended size 1,200 x 1,200)
Additional assets: Brand logo ratio: 1×1 (250×250 size recommended), Brand name: 25 characters, Title: 30 characters, Description: 90 characters, CTA: 15 characters
Device: Mobile only
Variations available: Native Image, Native Video, Social Image, Social Video, Carousel, Zoom, Panorama
Our team creates your selected variation of High Impact Display formats in the Outbrain Studio. We can also support your own display experiences in your DSP of choice, using HTML5 ad tags or images in size 300×600.