LinkedIn — Message Ad Banner (desktop)

Display banner · Social · Verified 2026-06

Live preview

300×250

shown at 100%

On a web page

Size (px)

Ratio6:5

Max weight2 MB

FormatsJPG, PNG

Text limits

Body 8000 chars

CTA 25 chars

Description 20000 chars

Advertiser name 255 chars

Optional banner shown beside Message Ads on desktop only.

Maximum size is 300x250 px, 2 MB, in JPG or PNG format.

The sender image uses the account holder's profile photo.

What size is the LinkedIn Message Ad Banner (desktop)?

The LinkedIn Message Ad Banner (desktop) is 300×250 px, aspect ratio 6:5.

What is the aspect ratio of the LinkedIn Message Ad Banner (desktop)?

6:5. At the recommended resolution that is 300×250 px.

What is the maximum file size for the LinkedIn Message Ad Banner (desktop)?

Up to 2 MB, in JPG, PNG.

What file formats does LinkedIn accept for the Message Ad Banner (desktop)?

JPG, PNG.

Why does LinkedIn crop my Message Ad Banner (desktop)?

LinkedIn shows Message Ad Banner (desktop) at 6:5. Upload exactly 300×250 px and keep key content in the safe area so nothing gets cut off.

Is 300×250 still correct for the LinkedIn Message Ad Banner (desktop) in 2026?

Yes. Last verified 2026-06 against the official LinkedIn documentation.

Test a file against this exact spec before you upload it anywhere.

Nothing is uploaded or saved — the check runs entirely in your browser.

Drag & drop your creative or click to choose a file