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      Image sizes for responsive ads on Google Discovery

      Discovery ads are visually rich ads rendered natively across Google properties including YouTube, Discover & Gmail. Designed for discovery as consumers browse their favourite content and feed-based experience.

      Image Dimensions for discovery ads are:

      • Landscape (1.91:1): 1200 × 628 (min required: 600 × 314, max file size: 5120KB)
      • Square (1:1): 1200 × 1200 (min required: 300 × 300, max file size: 5120KB)
      • Portrait (4:5): 960 × 1200 (min required: 480 × 600, max file size: 5120KB)


      Note: All guidelines above are in pixels following the format of width x height. Images containing alcohol will be rejected by Google.