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1080×1080
shown at 20%
Feed Image - Square (1:1)
Square
- Size (px)
- Ratio
- 1:1
LinkedIn — Single Image Ad - Square
Square · Social · Verified 2026-06
Live preview
1200×1200
shown at 38%
In context
Sample feed post
Full specification
Size (px)
Ratio1:1
Max weight5 MB
FormatsJPG, PNG, GIF
Text limits
Primary text
150 chars
Primary text
3000 chars
Headline
70 chars
Headline
200 chars
Description
100 chars
Description
300 chars
Advertiser name
255 chars
Notes & best practice
Square single image ad.
Recommended size is 1200x1200 px.
Minimum is 360x360 px, and maximum is 4320x4320 px.
Max file size is 5 MB.
Frequently asked questions
What size is the LinkedIn Single Image Ad - Square?
The LinkedIn Single Image Ad - Square is 1200×1200 px, aspect ratio 1:1.
What is the aspect ratio of the LinkedIn Single Image Ad - Square?
1:1. At the recommended resolution that is 1200×1200 px.
What is the maximum file size for the LinkedIn Single Image Ad - Square?
Up to 5 MB, in JPG, PNG, GIF.
What file formats does LinkedIn accept for the Single Image Ad - Square?
JPG, PNG, GIF.
Why does LinkedIn crop my Single Image Ad - Square?
LinkedIn shows Single Image Ad - Square at 1:1. Upload exactly 1200×1200 px and keep key content in the safe area so nothing gets cut off.
Is 1200×1200 still correct for the LinkedIn Single Image Ad - Square in 2026?
Yes. Last verified 2026-06 against the official LinkedIn documentation.
Check your creative
Test a file against this exact spec before you upload it anywhere.
Nothing is uploaded or saved — the check runs entirely in your browser.