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What image size works for LinkedIn posts?

1.91:1 landscape at 1200 x 628 pixels or 4:5 vertical at 720 x 900 are LinkedIn's recommended ratios for single image ads, and it also lists 1:1 square at 1200 x 1200. They are a sensible starting point for regular posts. Files can be JPG, PNG or GIF up to 5 MB.

LinkedIn's help page for single image ads lists 1.91:1 and 4:5 as recommended ratios. The minimums it lists are 640 x 360 for landscape, 360 x 360 for square and 360 x 640 for vertical images.

Square and vertical images take more space in the mobile feed than landscape ones. Landscape suits images shared with a link and anything that needs to look like a slide.

Keep text in the image short and large: the feed shows images small on phones.

ShapeRecommended sizeMinimum listed by LinkedIn
1.91:1 landscape1200 x 628640 x 360
1:1 square1200 x 1200360 x 360
4:5 vertical720 x 900360 x 640 (the vertical minimum, a 9:16 shape)

Source: LinkedIn Help, single image ads advertising specifications, checked October 20, 2026.

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Last reviewed October 20, 2026 by ImageQuarry

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