LinkedIn has become one of the most powerful platforms for professionals, brands, and businesses. But here’s something most people overlook: even the best content can fail if your post is formatted incorrectly. That’s why understanding the ideal LinkedIn post size and LinkedIn post image size is crucial if you want your posts to look clean, professional, and visually appealing.
In this article, we’ll break down the recommended sizes, why they matter, and how choosing the right format can dramatically boost your reach and engagement.
Why LinkedIn post size matters more than you think
LinkedIn is not just another social platform. Its audience expects clarity, professionalism, and high-quality visual communication. A poorly sized post doesn’t only look messy—it actively reduces your engagement. When images are cropped badly or appear blurred, people scroll past your content without giving it a chance.
First impressions happen in milliseconds
Your audience decides whether to read your post or scroll past it within seconds. A perfectly sized image instantly communicates trust and professionalism. On the other hand, the wrong image ratio can make your content look amateurish.
Better visibility = better engagement
LinkedIn rewards posts that keep users engaged. When your image fits perfectly, more people stop, read, click, and interact. This tells the algorithm your post is valuable—and LinkedIn shows it to even more people.
The best LinkedIn post size for maximum impact
Let’s get straight to the numbers. If you want your content to look sharp, clean, and optimized, use the following recommended sizes.
Recommended size for standard LinkedIn posts
For typical feed posts, the ideal linkedin post size is:
- 1200 × 1350 px (stamdard posts): This format is said to be the best for egnagement.
- 1200 × 1200 px (square posts): Square images look great on both desktop and mobile.
Vertical posts for maximum mobile impact
Mobile users make up a significant portion of LinkedIn traffic, and vertical images often perform even better:
- 1080 × 1920 px (vertical posts): Although not originally a LinkedIn standard, this Instagram-style format has gained popularity because it takes up more screen real estate and captures attention instantly.
The best LinkedIn post image size for different content types
Different types of LinkedIn posts require different image dimensions. Let’s break it down so you can optimize every type of content you create.
Image posts
- Recommended LinkedIn post image size: 1200 × 1200 px (square) or 1200 × 628 px (landscape, event banners)
Make sure to use high-resolution images so your content stays sharp after compression and doesn’t blurr.
Link previews
When you share a URL, LinkedIn automatically generates a preview image. Optimal size:
- 1200 × 627 px: This ensures your preview doesn’t appear cropped or stretched.
LinkedIn carousel posts (PDF posts)
Carousels have become one of the most popular formats on LinkedIn thanks to their high engagement rate. Sizes to use for each slide:
- 1080 × 1080 px (square): Square is easier and more universal.
- 1080 × 1350 px (portrait): Portrait slides perform extremely well on mobile.
LinkedIn ads
If you’re running paid campaigns, image size matters even more. For single-image ads:
- 1200 × 628 px
For carousel ads:
- 1080 × 1080 px per card
The best size for LinkedIn post depends on your goals
There isn’t a one-size-fits-all answer—but square (1200 × 1200 px) is the most versatile and effective option for most situations. If you’re focusing on LinkedIn post image size for branding or ads, landscape formats like 1200 × 628 px can also be extremely powerful. And when you want maximum attention from mobile users, don’t be afraid to go vertical. Choosing the right LinkedIn post size is a simple change that can significantly improve the way your content performs. When your visuals look professional, the engagement follows naturally.
