Quick answer: Google Ads ecommerce images must be PNG or JPG, max 5 MB. Best sizes: 1200x628 (landscape), 1200x1200 (square), 900x1600 (vertical). Performance Max campaigns perform best with 7+ images across all three ratios. One product per image. Center your subject in the middle 80% of the frame.
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Understanding Google Ads Image Formats for Ecommerce
Two ad types drive most ecommerce results on Google. Knowing which one you're running determines the image specs you need and how many assets to prepare.
Responsive Display Ads (Display Network)
Responsive Display Ads run across the Google Display Network. Google auto-resizes and crops your images to fit each available placement. You upload the assets. Google handles the layout. Per Google's Ads Help Center, you need at least one landscape image and one square image to go live. More assets give Google more to work with.
Performance Max Campaigns (Cross-Channel)
Performance Max (PMax) runs across Search, Display, YouTube, Gmail, and Shopping from one campaign. Google pulls from your uploaded image assets and adapts them to each channel automatically. For ecommerce advertisers, PMax is the primary campaign type. It demands a more complete image asset set than Responsive Display Ads alone.
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Image Size and Format Requirements
Wrong dimensions slow your launch. Rejected assets cost you time you don't have. Get the specs dialed in from the start.
Aspect Ratios and Recommended Dimensions
Per Google's Ads Help Center, three aspect ratios are supported for image assets:
- Landscape (1.91:1): Recommended 1200x628 px, minimum 600x314 px
- Square (1:1): Recommended 1200x1200 px, minimum 300x300 px
- Vertical (9:16): Recommended 900x1600 px, minimum 600x1067 px
Always target the recommended dimensions. Minimum-spec images appear blurry on high-resolution displays and may get fewer impressions in competitive auctions.
File Format and File Size Limits
Google Ads accepts PNG and JPG files only. Maximum file size is 5,120 KB (about 5 MB) per image. GIF and WebP are not accepted for image assets. Keep files compressed but sharp. Quality matters more than raw file size.
Minimum vs. Recommended Specifications
The minimums get your ads approved. Recommended specs get you better placements and more auctions. A 1200x628 landscape image consistently outperforms a 600x314 across Display inventory. Shoot for recommended dimensions every time.
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Best Practices for High-Performing Ecommerce Images
Specs get your ads approved. Strong creative gets them clicked. These are the standards Google and real campaign data both point to.
Choose Single, Clear Product Focus
One product per image. Google's best practices guide for responsive display ads is explicit. Put the product front and center. Lifestyle scenes that bury the product in context hurt performance. Leave enough breathing room for Google to crop your image across placements without cutting off the subject.
Avoid Common Image Mistakes
Per Google Ads documentation, these issues cause assets to underperform or get flagged:
- Blurry or pixelated images
- Composite or collaged backgrounds
- Text or logo overlays on the image itself
- More than 80% blank space in the frame
- Fake interactive buttons or misleading visual elements
Keep important content inside the center 80% of the image. Google crops edges when adapting images to different placements and screen sizes.
Quality and Clarity Standards
Your image should show exactly what users get when they click. Match the visual to the landing page. A sneaker ad shows the sneaker. The landing page shows the same sneaker. Google's ad policies require the ad experience to match the landing page, and strong visual consistency also improves conversion rates.
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Assembling Your Image Asset Collection
One image is not a strategy. Build a complete asset set before you launch.
How Many Images to Upload
For Performance Max ecommerce campaigns, Google's optimization guidance recommends at least 7 image assets: 3 landscape, 3 square, and 1 portrait. That minimum covers the core placement types. More variety gives Google more signals to optimize delivery across channels.
Image Variety Across Aspect Ratios
Cover all three ratios. Landscape images dominate desktop Display placements. Square works across mobile and the Display Network. Vertical powers YouTube Shorts and mobile-first inventory. Miss a ratio and you miss the placements tied to it. That's lost reach with budget already spent.
Combining Images with Compelling Copy
Images work harder when copy pulls its weight. Google Ads guidance for Performance Max recommends pairing your image assets with at least 15 headlines and 5 descriptions. Add pricing, promotions, and a direct call-to-action. Make sure copy matches your landing page offer. Consistency across the full funnel matters.
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Using AI to Create Ecommerce Ads Faster
Building 7+ quality images across three aspect ratios by hand takes days. AI cuts that down to minutes.
Generating Product Images from Your Catalog
Coinis Image Ads generates ad-ready creatives directly from a product URL. Drop in your product page. The AI reads your product context, extracts visual information, and builds images optimized for conversion. No design software. No manual photo shoots for every SKU. Brand Profile stores your brand colors, fonts, and voice so every generated image stays consistent across your entire catalog.
Creating Variations at Scale
Once you have a base creative, Coinis Revise handles the rest. Smart Resize converts one image into every required aspect ratio in a single step. Variate generates multiple creative directions from one starting image, giving you options to test without rebuilding from scratch. Cover all three Google Ads aspect ratios without touching an export slider manually.
Coinis does not publish directly to Google Ads today. You export your creatives and upload them to Google Ads Manager. The creative work is done. The upload takes minutes.
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Frequently Asked Questions
What image sizes does Google Ads require for ecommerce?
Google Ads recommends three aspect ratios for ecommerce image assets: landscape at 1200x628 px (1.91:1), square at 1200x1200 px (1:1), and vertical at 900x1600 px (9:16). Minimum accepted sizes are 600x314 (landscape), 300x300 (square), and 600x1067 (vertical). Always use recommended dimensions for best performance.
How many images should I upload for a Performance Max campaign?
Google's optimization guidance recommends at least 7 image assets for ecommerce Performance Max campaigns: 3 landscape, 3 square, and 1 portrait. More assets give Google more options to optimize across Search, Display, YouTube, Gmail, and Shopping placements.
Can I put text or a logo on my Google Ads images?
Google's best practices guide advises against text or logo overlays on image assets. Images with overlays can get flagged during review or underperform in automated placements. Use Google's headline and description fields for copy instead.
What file types does Google Ads accept for image assets?
Google Ads accepts PNG and JPG image files only. Maximum file size is 5,120 KB (about 5 MB) per image. GIF and WebP formats are not supported for image assets.