You also need to create an App Icon to use Fastlane or you will get an error on running fastlane beta. You can simply create one using the website MakeAppIcon and follow this tutorial to configure it properly. - Source: dev.to / 7 months ago

Add your app icons to the "assets" folder. Make sure to include versions of the icon for different screen densities, such as 1x, 2x, 3x, and 4x. You can generate these versions using a tool like https://makeappicon.com/. - Source: dev.to / over 1 year ago

Https://makeappicon.com/ Optimized for both for Xcode and Android Studio. Source: about 2 years ago

I use Aseprite. If you're looking for a free tool to get into pixel art, I recommend piskelapp.com, as it's what I used for something like five years. Source: over 1 year ago

You could use piskel and import that image as a spritesheet, tell it each asset size and export each one individually, not sure how other do this there's probably a better way. Source: almost 2 years ago

I don't use sprite, but I did use a tool for the transition of colors. I use a site known as piskel where they have a built in dithering tool. Source: about 2 years ago

Each NFT is 1/50 and were created live on stream at twitch.tv/Jomigloy. These were created using a combination of piskelapp.com and Aseprite. Each NFT is 132 frames and I had a blast making them. With this project I'm trying to evoke feelings of nostalgia with the machine base, and the screen allows me to convey a message. In this case, I'm spreading Loopring hype on these screens. The last few weeks collecting L2... Source: about 2 years ago

Ooh, what website? I know piskelapp.com (I love that site) lets you save to keep working on it later or export to create a video file, but if you're using another one I'd love to check it out! Source: about 2 years ago