If you’re making your own app icons, you should create PNG files and stick to the following color spaces: sRGB (color) or Gray Gamma 2.2 (grayscale), according to Apple. How to change an app ...

You can convert HEIC files to PNG by using a few methods, depending on your device. On a Mac, you can convert HEIC images by exporting photos from the Preview app. On Windows, you'll need to use ...

How to convert PNG to JPG on Mac. You can save PNG files as JPGs in a number of common Mac apps, but the easiest is to use Preview. 1. Start Finder and then locate the PNG file you want to convert. 2.

The original app icon will still be there, but you can hide it from the home screen to avoid confusion. Just hold your finger on the screen until the icons start to shake and click the minus sign.