Compress WebP Images for Google Ads
Google Display Ads require images in multiple specific sizes. Properly optimized ad images load faster across the Google Display Network and maintain quality at all display sizes. Modern image format developed by Google offering 25–35% smaller files than JPEG/PNG at equivalent visual quality. Use ImageSmith to compress your WebP images to the ideal file size for Google Ads — target under 150KB for optimal performance. Processing is fully browser-based — no server uploads.
Recommended format
JPEG
Max file size
150KB
Dimensions
1200×628 (landscape), 1200×1200 (square), 300×250 (rectangle)
✓Responsive Display Ads accept up to 15 images in various sizes
✓Landscape: 1200×628 minimum, Square: 1200×1200 minimum
✓Logo images must be square with 1:1 ratio at 128×128 minimum
✓Keep ad images under 150KB for fastest Google Display Network delivery
Compress WebP for Other Platforms
Compress WebP for Google Ads — FAQ
Google Ads works best with images under 150KB. Recommended dimensions: 1200×628 (landscape), 1200×1200 (square), 300×250 (rectangle). ImageSmith can compress WebP images to any target size in seconds.
Google Ads primarily supports JPEG, PNG, GIF. Converting to JPEG is recommended for best compatibility.
Upload your WebP image to ImageSmith, set a target size under 150KB, and compress. Responsive Display Ads accept up to 15 images in various sizes
Google Responsive Display Ads need landscape images (1200×628), square images (1200×1200), and logos (128×128). Keep all files under 150KB. JPEG or PNG are the accepted formats.