29 August, 2025

Standard Banner Sizes: The Ultimate Guide

The right website banner size can be the difference between an ad that gets ignored and one that drives real clicks and conversions. With dozens of banner dimensions available, it's easy to get lost. Explore the complete guide to standard banner sizes across digital platforms. Learn the best dimensions for effective promotional banners, including e-commerce, ads, and social media banners for maximum engagement. In this guide, you'll learn:

• The most common standard banner sizes used in 2025

• Best practices for banner design that get results

• How to quickly create studio-quality banners using Phot.AI's AI Banner Maker

Learn all about standard banner sizes here, and you'll walk away knowing exactly which banner sizes to use—and how to make them stand out.

Why Banner Sizes Matter in Digital Marketing

When a banner ad is in the wrong size, it:

• Gets cropped incorrectly, hurting the message

• Loads slower, decreasing engagement

• Won't meet ad platform requirements

Correct website banner dimensions lead to:

• Higher viewability on popular ad networks

• Better click-through rates (CTR)

• Improved brand consistency across devices

Pro Tip: Phot.AI's Banner Generator includes presets for standard web banner sizes, so you never have to worry about specs again. And the best part? You can access the same powerful features through our web tool or full-featured mobile app, allowing you to design perfect banners from anywhere.

What Are the Standard Website Banner Sizes in 2025?

Here are the most used digital banner sizes recommended by Google Display Network and major ad platforms:

Top-performing Standard Banner Ad Sizes

• Leaderboard (728×90 px): Best for desktops, commonly placed at the top of pages

• Large Rectangle (336×280 px): Works well in content feeds or sidebars

• Medium Rectangle (300×250 px): One of the most popular universal sizes

• Half Page (300×600 px): Great for brand awareness, more space for visuals

• Mobile Leaderboard (320×50 px): Designed specifically for mobile screens

• Large Mobile Banner (320×100 px): Offers more vertical space for mobile ads

• Wide Skyscraper (160×600 px): Ideal for sidebars

Other Standard Web Banner Sizes

• Billboard (970×250 px): High impact at the top of pages

• Square (250×250 px): Fits tight spaces

• Vertical Rectangle (240×400 px): Good for niche placements

Website Banner Dimensions by Use Case

E-commerce Product Banners Use wider banners like 728×90 px or 970×250 px to feature multiple products and promotions.

Mobile-first Campaign Banners Choose mobile-optimized sizes such as 320×50 px, 320×100 px, or 300×250 px for better visibility on smaller screens.

Social Media Banners Phot.AI also supports recommended sizes for Facebook, Instagram, and Pinterest ads to ensure consistency across platforms.

How to Create Perfect Banners with Phot.AI Banner Tools?

Designing banners manually can be time-consuming. Phot.AI's AI-powered banner tool helps you create professional designs in minutes.

Step 1: Pick Your Size Choose from a library of standard banner sizes or enter custom dimensions.

Step 2: Customize Effortlessly Drag-and-drop your product photos, upload a product URL, or prompt and let AI analyze your requirement.

Step 3: Auto-Resize for Multiple Platforms Generate banner variations for Amazon, Shopify, Etsy, and social channels instantly.

Step 4: Download in High Resolution Export in JPG, PNG, or WebP optimized for web and ad networks.

Start designing banners with Phot.AI now.

You can use Phot.AI on your desktop browser or mobile app. The seamless experience between the web platform and the app means you can start a design at your desk and finish it on the go without losing progress.

Best Practices for High-Performing Banners Across Versatile Platforms

• Keep your message clear: 5–7 words maximum

• Use high-quality visuals: Low-resolution images reduce trust

• Highlight your CTA: Buttons like "Shop Now" or "Learn More" work best

• Prioritize mobile-first designs: 70% of banner views happen on mobile

• Test multiple banner sizes: Banner performance varies by platform

Conclusion

Phot.AI tools are designed for busy marketers and sellers. No matter where you are, you'll have access to the same professional tools to edit, resize, and publish banners.

Ready to Create Banners That Convert?

The right standard banner sizes are essential, but the best designs matter just as much. Phot.AI's AI Banner Generator helps you create beautiful, high-performing banners for websites, e-commerce platforms, and ad networks fast.