🔹 Desktop & Tablet Sizes
🔹 Mobile Sizes
🔹 Responsive Display Ad Assets (optional but recommended)
Images:
Landscape (1.91:1) – min 600×314, recommended 1200×628
Square (1:1) – min 300×300, recommended 1200×1200
Logo:
Landscape logo – 4:1 ratio (min 512×128)
Square logo – 1:1 ratio (min 128×128)
Headlines: 5 short (max 30 chars), 1 long (max 90 chars)
Descriptions: Up to 5 (max 90 chars)
Final URL
🔧 Technical Specs
Max File Size: 150 KB
Formats Accepted: JPG, PNG, GIF (non-animated), HTML5
Resolution: 72 DPI
File Naming: No special characters or spaces
📦 Recommendation
To cover 95%+ of available ad inventory across mobile, tablet, and desktop, prioritize creating:
300×250
728×90
160×600
320×50
Responsive Display Ads