Dimension reference

400×400px Image Size

4 platform formats use exactly 400×400 pixels (1:1 aspect ratio). Resize your image once and use it across 4 platforms.

Width400px

Height400px

Aspect ratio1:1

Platforms4

Platforms using 400×400px

X (Twitter)

Displayed as a circle across the platform. Renders at various sizes from 24px to 200px depending on context.

Displayed as a circle across LinkedIn. Renders at various sizes from small comment avatars to the larger profile page display.

Zoom

Displayed when camera is off during meetings and in the Zoom contacts/directory.

Xiaohongshu (Little Red Book)

Profile photos display as circles throughout Xiaohongshu. They appear next to posts, comments, and in user search results.

Explore more 1:1 sizes: