Image Too Small in Google Merchant Center: How to Fix It

What this issue means

Merchant Center checks the pixel dimensions of the image at your image_link URL. Google's "Image too small" help page lists three related issues:

The current and upcoming rules:

• Until January 31, 2027: at least 100 x 100 pixels for non-apparel, 250 x 250 for apparel
• From January 31, 2027: at least 500 x 500 pixels for all products, applying to image_link and additional_image_link
• Recommended: around 1500 x 1500 or larger
• Maximum: 64 megapixels and 16 MB per file

Google says it may serve an optimized version of some images below 500 x 500, but you shouldn't rely on that. If you're seeing the "upcoming enforcement" warning today, fix it before the deadline.

Why it happens

• The feed points to a thumbnail. Many themes and plugins generate small versions (for example, a 150 px catalog thumbnail), and the feed picks that URL instead of the full-size image.
• Supplier images are small. Dropship and wholesale catalogs often supply low-resolution files.
• Old product photos. Images uploaded years ago at web-optimized sizes like 400 x 400.
• A CDN or image plugin resizes on the fly. URL parameters like ?width=200 or a lazy-load placeholder end up in the feed.
• Product doesn't fill the frame. Not a size error on its own, but a small product in a big white canvas looks low-quality once cropped.

How to fix it

1. List the affected products. In Merchant Center, go to Products > Needs attention and filter for "Image too small" and "Image too small for upcoming enforcement". Download the CSV; it includes the image URLs Google tried.

2. Check the actual image Google receives. Open a few image_link URLs in a browser and check the dimensions. If the URL is a thumbnail of a larger original, the problem is your feed mapping, not your photos. Our product image checker can check dimensions in bulk.

3. Replace images at the source:

   • Shopify (Google & YouTube app): The channel uses the product's featured image (and variant images for variants). Shopify serves the original upload, so the issue is usually the original file. Upload a larger image, at least 500 x 500 and ideally about 1500 x 1500 or larger, and set it as the featured image or the variant image. Uploading a new file gives it a new URL, which helps Google pick it up faster.
   • WooCommerce: Replace the product image with a larger original. Then check which image size your Google feed plugin sends. If it's sending a theme thumbnail, switch it to the full-size image.
   • Feed files and supplemental sources: Update image_link to point to the full-resolution file. A supplemental source with id and image_link works when your platform's images are fine but the feed URL isn't.

4. Use a new URL for the new image. Google warns that replacing an image while keeping the same URL can take up to six weeks to be detected. Changing the filename or URL typically gets picked up within about three days.

5. Don't simply upscale. Google advises against scaled-up images. If you have no larger original, reshoot the product or ask the supplier for high-resolution files. Google's Product Studio, available in Merchant Center, can increase image resolution, which can help for some products; check the results for quality before using them.

6. Frame the product well. Google recommends the product fill about 75% to 90% of the image. Crop excess background while you're replacing files.

How long until it's fixed

Google says changes may take 24 to 72 hours to appear on the Needs attention page, but image crawling is slower than text updates. New image URLs are typically processed within about three days, and can take up to 30 days. Keeping the same URL can delay detection by up to six weeks. If you're replacing thousands of images, Google suggests pacing large bulk updates, for example around 10% per day.

How to prevent it

• Set a minimum upload size of 1500 x 1500 pixels for all new product photos.
• Require high-resolution files from suppliers before listing products.
• Make sure your feed always uses full-size image URLs, not theme thumbnails.
• Audit images below 500 x 500 now, ahead of the January 31, 2027 enforcement date.

Small images also hurt click-through rate on Shopping ads and Performance Max, even when they're technically compliant. If you need to audit and replace images across a large catalog before the deadline, Mercantads can help through our Merchant Center service, or contact us.