NFT image requirements | Developers

NFT image requirements

Estimated reading time: One minute

Requirement Description
Image format JPEG (.jpeg/.jpg) and PNG (.png) are supported.
  • 672px (height) by 400px (width) is the screen’s resolution.
  • The image height should be 1.68x the width and the minimum width is 400px (ex: 840px * 500px).
File size The smaller the size the better (less than 1MB ideally).
Color profile The Ledger Stax screen supports up to 16 levels of gray (4-bit grayscale).
We strongly recommend working with only 4-bit grayscale so that you can guarantee what the end result will look like on the device. You can alternatively work in Black & White (with a wider range of colors), but know that prior to being displayed on the device, the image will be converted to 4-bit grayscale and may not display how you would like.

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