> Quick answer: Before & After ads on Google run as Responsive Display Ads on the Display Network. Upload square (1200x1200px) and landscape (1200x628px) transformation images, add headlines and descriptions, and Google's algorithm generates thousands of layout combinations. Follow the steps below to build your template correctly.
Transformation creatives are some of the highest-converting image formats in display advertising. They show the result before a viewer finishes reading a headline. Here is exactly how to build one for Google Ads.
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What Are Before & After Ads in Google Ads?
Before & After ads visualize a transformation: the problem state, then the solved state. They work because viewers can picture themselves achieving the same result.
Why transformation creatives convert
Creative performance drives 49% of total advertising sales impact, per NCS data cited in Google's Creative Performance Best Practices. A strong transformation visual handles the persuasion before the viewer processes the copy. That is a measurable edge.
How Google Ads Display Network runs them
Per Google's Ads Help Center, Responsive Display Ads are the standard format for image-based ads on the Display Network. You upload your assets. Google's machine learning automatically generates combinations across thousands of layouts and placements. The algorithm decides which pairing earns more clicks.
Who uses Before & After ads effectively
Fitness brands, skincare lines, home improvement services, and SaaS tools all use this format well. Any product or service that produces a visible, measurable result is a strong candidate.
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Image Specifications for Before & After Google Ads
Get these specs right before you build anything. Wrong dimensions cause rejections or cropped creative.
Required image dimensions and aspect ratios
Per Google's Ads Help Center, upload images in two ratios:
- Square (1:1): 1200x1200px recommended, 300x300px minimum
- Landscape (1.91:1): 1200x628px recommended, 600x314px minimum
Both ratios are required for full placement coverage across the Display Network.
File size and format requirements
Maximum file size is 5,120 KB per image. Google accepts .jpg and .png only. Images must not contain watermarks, excessive text overlays, or third-party logos.
How many images you should upload
Google recommends 5 to 10 images per aspect ratio. More variations give the algorithm more to test. That improves Ad Strength scores and increases your reach across placements.
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How to Build Your Before & After Template
Step 1: Create or source your Before state image
Show an honest problem state. Avoid overly staged "before" shots. Viewers need to recognize themselves in the image. Relatable beats polished every time.
Step 2: Create or source your After state image
Show a specific, measurable result. "Lost 12 lbs in 8 weeks" beats "lost weight." A defined timeframe adds credibility. Make the transformation obvious at a glance.
Step 3: Choose your template layout
Side-by-side is the clearest layout for direct comparisons. Split-screen works for dramatic transformations. For Responsive Display Ads, upload before and after as separate image assets. Google handles the arrangement.
Need both images fast? Coinis Before & After workflow generates transformation image pairs directly from a product description. Your creatives land in Creative Library, organized and ready to export and upload straight into Google Ads.
Step 4: Upload to Google Ads as a Responsive Display Ad
Open your Display campaign. Click "New ad." Select Responsive Display Ad. Upload your before image, your after image, and any additional variations. Add headlines and descriptions. Save. Google begins testing immediately.
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Best Practices for Maximum Performance
Keep contrast sharp between states
Subtle transformations get ignored. The visual gap must be obvious in under two seconds. High contrast between states drives the emotional response that leads to clicks.
Include measurable results or timeframe
Specific claims outperform vague ones. "Clearer skin in 14 days" is more persuasive than "better skin." Google also requires all result claims to be truthful and substantiated. No invented metrics.
Use consistent branding across both states
Same logo placement. Same color palette. Consistent branding tells the viewer both images belong to the same offer. Inconsistency creates doubt and kills trust.
Test multiple image variations
Per Google's Creative Performance Best Practices, Responsive Display Ads benefit from a full range of image inputs. Upload the full 5 to 10 images per aspect ratio. Let the algorithm surface the best-performing pairs.
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How to Launch Your Before & After Ad Campaign
Create a new Responsive Display Ad in Google Ads
Go to Campaigns, then your Display campaign. Select "Ads & assets," then click the plus button. Choose "Responsive display ad."
Add headlines and descriptions that reinforce the transformation
Write headlines that name the outcome. "Smoother skin in two weeks" works harder than "Try our product." Add multiple headline and description variations. Google tests them automatically against your images.
Set your targeting and budget
Choose audience signals, placements, or topic targeting. Set a daily budget. Start conservative and scale after you see which asset combinations earn the best Ad Strength score.
Monitor ad strength and performance metrics
Ad Strength in Google Ads measures how well your assets follow best practices. Aim for "Good" or "Excellent." Check click-through rate and conversion rate weekly. Swap underperforming images for fresh variations to keep performance climbing.
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Frequently Asked Questions
Can I use Before & After ads on Google Search?
No. Before & After transformation images run on the Display Network via Responsive Display Ads. Google Search ads are text-based and don't support this image format.
How many Before & After image pairs should I upload?
Google recommends 5 to 10 images per aspect ratio. Upload multiple before and after variations so the algorithm has enough assets to find the best-performing combinations and maximize your Ad Strength score.
Do my Before & After result claims need to be verified?
Yes. Google Ads requires all result claims in ads to be truthful and substantiated. Unverified performance claims can lead to ad disapprovals. Keep your stated outcomes honest and backed by real data.
What image formats does Google Ads accept for Responsive Display Ads?
Google accepts .jpg and .png files only. Maximum file size is 5,120 KB per image. Images must not contain watermarks, excessive text, or third-party logos.