Create a new ad from scratch

Set the dimensions of the ad

Next, set the dimensions of the ad that you're creating.

Dimensions: Select a size from the dropdown. To specify a different size, select Custom.
Responsive layout: To use this ad for different viewport sizes, check Responsive layout. This sets the ad's dimensions to 100% of the available space, rather than a specific size.

Dimensions: Select a size from the dropdown. To specify a different size, select Custom.

Dimensions: Select a size from the dropdown for the banner version of the ad. To specify a different size, select Custom.
Responsive layout: If the banner version should work for different viewport sizes, check Responsive layout. This sets the ad's dimensions to 100% of the available space, rather than a specific size.
Dimensions (expanded): Enter the width and height for the expanded version of the ad.
Expansion Mode: If the ad's expanded version should work for different viewport sizes, set the Expansion Mode dropdown to Fullscreen Lightbox or Responsive layout. Either option allows the ad expand to fill the viewport, but Fullscreen Lightbox is for lightbox ads specifically.

Google Ads and Google AdMob don't support expandable ads.

Orientation: Select Single if you want the ad to display only in landscape or portrait. Select Dual if you want different layouts for each orientation.
Dimensions: Select a size from the dropdown. To specify a different size, select Custom.
Responsive layout: To use the ad for different-sized devices, check Responsive layout. This sets the ad's dimensions to 100% of the available space, rather than a specific size.

Dimensions: Select a size from the dropdown. To specify a different size, select Custom.

Dimensions: Select a size from the dropdown. To specify a different size, select Custom.
Multi-size layout: To use this document to generate image ads of different sizes, check Multi-size layout.

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