The Definitive Guide to LinkedIn Ad Sizes and Specs

Running ads on LinkedIn is a powerful way to reach decision-makers, B2B buyers, and industry professionals. However, nothing kills a high-performing campaign faster than pixelated images, cropped text, or rejected creatives due to incorrect dimensions.

Because LinkedIn serves a professional audience across both desktop and mobile devices, nailing your technical specs is non-negotiable. This comprehensive guide breaks down the exact LinkedIn ad sizes, ratios, and file limits you need to know to design flawless campaigns.

1. Single Image Ads (Sponsored Content)

Single image ads appear directly in the user’s main LinkedIn feed. They are versatile, easy to produce, and support three distinct aspect ratios.