Use an aspect ratio of 1.91:1. The recommended LinkedIn post size is 1200 x 628 pixels. This LinkedIn image sizing also applies to LinkedIn Showcase pages.
Why are LinkedIn post images blurry?
Some Possible Reasons LI Photos are Low Quality:
Make sure your photo is an exact square. If not, the dimensions of the photo may become distorted. Make sure that the photo is at least 400 pixels by 400 pixels. This should be easy, as most high-quality headshots have significantly more resolution.
How can I upload photos without losing quality?
To avoid quality loss, it is best to reduce the file size yourself before uploading the image to Instagram. You can reduce the file size in many ways: Reduce the image size: If you take your photos at 4000 x 3000 pixels, they will be heavily compressed, as all Instagram photos are limited to 1080 x 1080 pixels.