Banner Ad Aspect Ratio Detector

Upload your banner ad to check the aspect ratio.

Check 13+ ad quality tests for ad performance — validate against IAB banner ad guidelines

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HTML5 Zip

Ad Tag

VAST

Video

Image

Audio

smart_display settings_system_daydream panorama

Drop your banner ads here

PNG, JPG, GIF

Validate against:

Ad Spec: IAB Ad Guidelines

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Image Aspect Ratio

The aspect ratio defines the proportional relationship between the width and height of the image. Common ratios include 1:1, 16:9, and 4:3.

Why do we test it?

Ensuring the correct aspect ratio is important for maintaining visual consistency across different devices and formats. A distorted aspect ratio can make an ad look unprofessional, reducing its effectiveness. Keeping a correct ratio guarantees that the ad displays as intended, regardless of where it's viewed, ensuring optimal brand representation.