Quick answer: Connect Google Merchant Center, Google Ads, and the Google & YouTube Shopify app. Get your product images to 1500x1500 pixels. Create a Performance Max campaign through the app. Monitor results in Merchant Center.
---
Why Google Shopping ads matter for Shopify stores
Shopping ads put your product in front of buyers already searching for it. That timing is the whole advantage.
How Shopping ads differ from other Google Ads formats
Text ads show words. Shopping ads show a photo, title, price, and store name all at once. Per Google's Merchant Center Help, this data pulls directly from your product feed in Merchant Center. You don't write ad copy from scratch. Google decides where and when to show each ad based on your feed data and the searcher's intent.
Benefits: visual product previews, qualified leads, automatic optimization
Shoppers see the product before they click. That filters out window-shoppers fast. Performance Max, Google's recommended campaign type for Shopify merchants, extends your ads across YouTube, Display, Search, Discover, Gmail, and Maps. Google's machine learning handles bidding and placement automatically. You set the budget and target. Google optimizes from there.
---
Prerequisites: What you need before you start
Missing any of these will stop your campaign from going live. Check each one before continuing.
Google Merchant Center and Google Ads account (linked)
You need both accounts. Per Google's Ads Help Center, Shopping ads require a Merchant Center account and a Google Ads account linked together. Create them at merchants.google.com and ads.google.com if you haven't yet. Linking happens inside Merchant Center under Settings. It takes a few minutes.
Google & YouTube app installed in Shopify
This app syncs your Shopify product catalog to Merchant Center automatically. Install it from the Shopify App Store. From this point forward, make all product updates in Shopify, not Merchant Center. Google's documentation confirms that Shopify data always overwrites Merchant Center data. Editing in both places creates conflicts.
Billing set up in Google Ads or Merchant Center
You can't launch a campaign without a valid payment method. Add billing inside your Google Ads account under Billing and Payments. Google Ads supports multiple payment types depending on your country. Confirm this is active before you try to launch.
Product data ready and compliant
Per Google's requirements for Shopping ads, your product data must meet Google's quality standards and be updated at least every 30 days. Confirm your product titles, descriptions, prices, and images are accurate before you create your first campaign. Inaccurate data causes disapprovals that delay your launch.
---
Step 1: Install and connect Google & YouTube in Shopify
The app handles most of the initial plumbing. This step should take under 15 minutes.
Navigate to the Google & YouTube app
In your Shopify admin, go to Apps, then open the App Store. Search for "Google & YouTube" and install the official app published by Google. After installation it appears in your Sales Channels panel on the left.
Connect your Google Ads account
Open the app. Follow the on-screen prompts to connect your Google Ads account. If you don't have a Google Ads account yet, you can create one during this flow. The app also walks you through linking Merchant Center at the same time. Do both before moving on.
Authorize data sharing between Shopify and Google
The app requests permission to share product data with Google. Accept this. Your Shopify catalog then syncs to Merchant Center. Products that match Google's requirements will show as active in Merchant Center. Products with issues will surface as disapproved, with specific reasons listed.
---
Step 2: Set up product data and image requirements
Your product images carry more weight than most merchants expect. Fix these before launching.
Image minimum size: 500x500 pixels (new 2027 requirement)
Per Google Merchant Center Help, new minimum image size requirements take effect January 31, 2027. All products will require images of at least 500x500 pixels from that date. Until then, the current minimums are 100x100 pixels for non-apparel and 250x250 pixels for apparel. For YouTube Shopping specifically, 500x500 is already required. Start meeting the 2027 standard now. Early compliance prevents future disapprovals and avoids a rushed fix later.
Recommended size: 1500x1500 or higher for best performance
Google's documentation states that 1500x1500 pixels or higher produces the best performance. Larger images render sharply across every surface in Google's network, from Search to YouTube. If your current product photos are below this threshold, upgrading them is one of the highest-ROI improvements you can make before launch.
Supported formats: JPEG, WebP, PNG, GIF, BMP, TIFF
Google Merchant Center accepts JPEG, WebP, PNG, GIF, BMP, and TIFF. Maximum file size is 16 MB. Maximum resolution is 64 megapixels. Stay within these limits. Oversized files cause upload failures and feed errors.
Image best practices: show full product, avoid placeholders, use stable URLs
Google requires images that show the complete product clearly. Placeholders and generic graphics are not allowed, with limited exceptions for hardware, vehicles, and software. Use stable image URLs that don't change unless you replace the image entirely. Per Google's documentation, changing the image URL signals a recrawl within 24 to 72 hours. Updating image content at the same URL can take up to six weeks for Google to pick up.
---
Step 3: Create a Performance Max campaign in Merchant Center
Performance Max is the primary recommended campaign type for new Shopify merchants on Google.
Name your campaign and set daily budget
In your Shopify admin, open the Google & YouTube app and go to the Performance Max module. Click "Create Campaign." Give your campaign a descriptive name that identifies the product group or goal. Set a daily budget. Starting conservative is fine. You can raise the budget once you see early data coming in.
Select target audience and geographic regions
Choose the countries and regions where you want your ads to appear. Start with locations where you already fulfill orders. Tighter geographic targeting stretches your budget further and focuses spend on buyers you can actually serve.
Define which products to promote
You can promote your entire catalog or a specific product group. Many merchants start with their best-selling products. Focusing on proven sellers gives the campaign real purchase-intent signals to learn from early on.
Launch the campaign
Review all settings. Click "Create Campaign." Per Google Ads Help Center documentation, changes made through Shopify are automatically reflected in your Google Ads account. Your campaign enters a learning phase after launch. Give it at least several days before drawing conclusions. The algorithm needs impression and click data to optimize effectively.
---
Step 4: Optimize and monitor campaign performance
Launching is the start, not the finish. Performance Max improves as it collects data.
Track conversions and ROI in Merchant Center
Open Google Merchant Center to see impressions, clicks, and conversions. For advanced bidding controls and detailed conversion paths, check your Google Ads account directly. Make sure conversion tracking is configured in Google Ads before launch. Without it, you can't accurately measure what the campaign is actually driving.
Update product images and data if needed
Disapproved products kill reach. When a product gets flagged, fix it in Shopify first and let the sync push the update to Merchant Center. Most disapprovals trace back to image quality, inaccurate pricing, or policy violations. Re-check image sizes against the 500x500 minimum. Confirm prices in Shopify match your website exactly.
Refresh underperforming creatives
Products with low click-through rates often need stronger images. Upgrade to 1500x1500 pixels. Show the product on a clean background. Remove placeholder graphics. A better image can shift performance without any change to your budget or bids. Review your lowest-performing products every few weeks and prioritize those for creative updates.
---
How Coinis accelerates your workflow
Running Google ads means producing a steady stream of product creatives. Coinis handles that part across every channel you run.
Image Ads: generate or optimize product images from Shopify URLs
Coinis Image Ads generates ad-ready product images from a product URL. Paste your Shopify product link and get polished images in seconds. Those images are sized and formatted for use across Google, Meta, or any other channel. No designer or photo studio required. You get images that meet Google's quality bar from day one.
Brand Profile: ensure ad copy consistency across Google and other channels
Coinis Brand Profile learns your brand voice, tone, and messaging priorities. Every headline, description, and CTA it generates stays consistent with your brand. That matters when you run campaigns across multiple platforms. Your Google ad copy and your Meta ad copy should sound like the same company. Brand Profile makes that automatic.
Creative Library: store and organize all campaign assets
Every image and copy asset Coinis generates goes into your Creative Library. Organized by product or campaign. Ready to pull into Google Ads, Meta Ads Manager, or any other platform you run. No hunting through Dropbox folders or email threads for the right file.
One note on platform support: Coinis publishes directly to Meta (Facebook and Instagram) today. Direct publishing to Google Ads is on the roadmap, not live yet. Use Coinis as your creative and copy engine. Upload the finished assets to Google Ads yourself. The two tools pair well.
---
Or let Coinis do it.
From a product URL to a live Meta campaign. AI-generated creatives. On-brand copy. Direct publish to Facebook and Instagram. Real performance reporting. All in one platform.
Start free. Upgrade when you're ready.
15 AI tokens a month. No credit card.
Frequently Asked Questions
Do I need a Google Merchant Center account to run Google Shopping ads for Shopify?
Yes. Per Google's Ads Help Center, Shopping ads require both a Google Merchant Center account and a Google Ads account linked together. The Google & YouTube Shopify app connects your store to Merchant Center and keeps your product data in sync automatically.
What image size do I need for Google Shopping ads?
Google Merchant Center Help states that starting January 31, 2027, all product images must be at least 500x500 pixels. Google recommends 1500x1500 pixels or higher for best performance. Currently the minimum is 100x100 for non-apparel and 250x250 for apparel, but transitioning to the 2027 standard now avoids future disapprovals.
What is a Performance Max campaign and why does Google recommend it for Shopify?
Performance Max is Google's automated campaign type that serves ads across YouTube, Search, Display, Discover, Gmail, and Maps from one campaign. Google recommends it for Shopify merchants because it uses your product feed and machine learning to find buyers across the entire Google network without requiring you to manage separate campaigns per channel.
Can I use Coinis to create and launch my Google Shopping ads?
Coinis generates product images and on-brand copy that you can upload directly into Google Ads. Direct publishing to Google Ads is on Coinis's roadmap but not live yet. Today, Coinis publishes directly to Meta (Facebook and Instagram). Use Coinis as your creative engine and upload the finished assets to Google Ads yourself.