Best Image Size for Instagram Story Ads 2025
Master Instagram Story ads with the perfect image dimensions. Learn the optimal sizes, download free templates, and boost your Story ad performance in 2025.
Quick Reference
Aspect Ratio
Image Size
Avg CTR
Instagram Story Ad Specifications
Standard Story Ad
Full-screen vertical ad format
Dimensions: 1080×1920 | Ratio: 9:16
Story Ad with Safe Area
Template with safe zone for text and CTA
Dimensions: 1080×1920 | Ratio: 9:16
Story Ad with Overlay
Background image with text overlay
Dimensions: 1080×1920 | Ratio: 9:16
Instagram Story Ad Performance Metrics
Click-Through Rate
Average CTR for Instagram Story ads
Use engaging visuals and clear CTAs
Cost Per Click
Typical CPC range for Story ads
Optimize targeting and creative quality
Conversion Rate
Average conversion rate for Story ads
Ensure landing page matches ad creative
Why Image Size Matters for Story Ads
Ad Performance
- • Proper sizing improves click-through rates
- • Consistent dimensions create better user experience
- • Optimized images load faster
- • Better mobile display quality
User Experience
- • Smooth ad viewing experience
- • Consistent visual presentation
- • Professional appearance
- • Higher engagement rates
Optimization Tips for Maximum Performance
Image Quality
- ✓Use high-resolution images (minimum 1080px)
- ✓Ensure images are crisp and clear on mobile
- ✓Test images on different devices
- ✓Use eye-catching visuals that stop scrolling
Content Strategy
- ✓Keep text overlay under 20% of image
- ✓Use clear, readable fonts
- ✓Include strong call-to-action
- ✓Test different creative variations
Performance Optimization
- ✓Monitor click-through rates
- ✓Track conversion metrics
- ✓A/B test different images
- ✓Optimize for mobile-first viewing
Best Practices for Story Ad Success
Mobile-First Design
90% of Instagram users access via mobile
- •Design for small screens
- •Use large, readable text
- •Keep important elements centered
- •Test on actual mobile devices
Attention-Grabbing Visuals
Stories auto-advance every 15 seconds
- •Use bold, contrasting colors
- •Include movement or animation
- •Create visual hierarchy
- •Make first 3 seconds count
Clear Call-to-Action
Guide users to take action
- •Use action-oriented language
- •Make CTA buttons prominent
- •Limit to one clear action
- •Test different CTA placements
Free Story Ad Templates
Common Story Ad Mistakes
Technical Errors
- • Wrong image dimensions (not 1080×1920)
- • Poor image quality or resolution
- • File size too large
- • Incorrect aspect ratios
Content Errors
- • Too much text overlay
- • Unclear call-to-action
- • Poor mobile optimization
- • Inconsistent branding
Conclusion
Instagram Story ad success starts with the right image dimensions. Use 1080×1920 for all Story ads, maintain visual consistency, and follow our optimization tips for maximum performance.
Remember: Great Story ads don't just look good—they're optimized for mobile viewing, designed for your audience, and tested for maximum engagement and conversions.