Single Image Ads

Ad name (optional): 255 characters
Headline: 70 characters
Introductory text:  150 characters
Description (LAN only): 70 characters. Only required if using LinkedIn Audience Network (LAN).

File Type: jpg, png, or gif
File Size: 5 MB

Horizontal / Landscape
**Horizontal images will deliver to both desktop and mobile
Minimum: 640 x 360 pixels
Maximum: 7680 x 4320 pixels
Recommended: 1.91:1 - 1200 x 628 pixels

Square
**LinkedIn recommends this aspect ratio for delivery across both desktop and mobile
Minimum: 360 x 360 pixels
Maximum: 4320 x 4320 pixels
Recommended: 1:1 - 1200 x 1200 pixels

Vertical
**LinkedIn recommends this aspect ratio for best performance on CTR on mobile (vertical images do not deliver to desktop). While 1:1.91 vertical images are still supported for vertical images, they will have borders added to either side of the video to fit in the image frame. To avoid borders, we recommend using a 4:5 aspect ratio.
Minimum: 360 x 640 pixels
Maximum: 2430 x 4320 pixels
Recommended: 
1:1.91 - 628 x 1200 pixels
2:3 - 600 x 900 pixels
4:5 - 720 x 900 pixels

Landing page URL: Required
URL prefix: http:// or https://
URL characters: 2000 characters for destination field URL