DDI recommends the product image specifications listed below to maximize display quality on your Magento website.
Tip: For website performance, consider using an image optimizer/compression tool like kraken.io or TinyPNG.

In Magento, if more than one slider image is used, the images must be the same height to keep menus level.
For width, DDI recommends:
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Desktop: 1920 pixels
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Mobile: 760 pixels
Recommended file types: JPEG (.jpg) , GIF (.gif) or PNG (.png)

For Homepage Category images, DDI recommends:
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Height: 400 pixels
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Width: 600 pixels
- File Type: JPEG (.jpg) , GIF (.gif) or PNG (.png)

For Product images, DDI recommends:
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Height: 800 pixels
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Width: 800 pixels
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File Type: JPEG (.jpg) , GIF (.gif) or PNG (.png)

For company logos on your site, DDI recommends using the highest resolution possible with a transparent background.
- File Type: JPEG (.jpg) , GIF (.gif) or PNG (.png)