LinkedIn square image ad size.

1200 × 1200 px

1:1JPG or PNGup to 5 MB

LinkedIn feed on desktop and mobile. LinkedIn's recommended shape for both.

Included in the free plan.

1200 × 1200

Specifications

Recommended size
1200 × 1200 pixels
Shape (aspect ratio)
1:1
Smallest accepted
360 × 360 pixels
Largest file
5 MB
File types
JPG or PNG (LinkedIn also accepts GIF)
Where it shows
LinkedIn feed on desktop and mobile. LinkedIn's recommended shape for both.
Safe zone
No covered areas. Keep words and logos a little in from the edges.

How long the words can be

Recommended lengths, so nothing is cut off. The AI copy writer keeps to them for you.

TextUp toGood to know
Introductory text150 charactersLonger text is cut off with "…see more" on some devices.
Headline70 charactersShown under the image.
Description100 charactersOnly shown on the LinkedIn Audience Network.

Tips

Other LinkedIn sizes

Checked against the platform's own specifications on 1 October 2026: LinkedIn: Single image ads advertising specifications · LinkedIn: Carousel ads advertising specifications · LinkedIn: Message ads advertising specifications. Platforms change their specs from time to time, so check before a big launch.

Common questions

What size is a LinkedIn square image ad?
1200 × 1200 pixels (1:1), at least 360 × 360, as JPG or PNG up to 5 MB.
Is 1080 × 1080 OK for LinkedIn?
Yes. It's the same square shape and above the 360 × 360 minimum. 1200 × 1200 is LinkedIn's recommended size.
How do I make my ad in this size?
Add your image, logo and words to the AdTechKit Ad Builder. It lays your ad out for this size and every other LinkedIn and Meta size, warns you about anything hard to read or cut off, and downloads each file named and compressed to the platform's limit.