Drag/Drop or select images for which you want to create image sets.
Drop the image with the higest resolution you want. This will be used as the 3x image. The 2x and 1x images will be generated from this uploaded image.
If you wish to resize your image first to a specific size, please use the Image Resizer to first resize your image.
iOS apps need to provide images in 3 resolutions to support different device capabilities.
This online tool will generate the image set needed by an iOS app for a given source image.
You can simply download the image set and drag/drop them to your image in xcode.