I confirmed that my app store icons did include the alpha channel by locating the asset in Finder and looking up its info (⌘+i). The App Store icon in the asset catalog in 'MyApp.app' can't be transparent nor contain an alpha channel.' How do you like to use MS Paint on your Mac? Is there a method or hack we didn’t mention? Give us your two cents in the comments below.Just got the the following error when trying to upload my app to the iTunes app store:ĮRROR ITMS-90717: 'Invalid App Store Icon. And when you get better at it, the final result can be quite impressive. Grab a Bucket and PaintĮven though some consider MS Paint to be dated, this app has a cult following. This app is also surprisingly fast, and it’s a great tool when you need to do quick markups or insert text into your photos. Each section is separate and you can minimize or maximize them individually. You get a rather large work area, a toolbar, and a color palette. This is a no-thrills no-frills app that only has three sections.

The main highlights of this app are the streamlined interface and ease of use. Paintbrush is a third-party app that’s reminiscent of the old MacPaint app that was released back in 1984. This allows you to easily sign digital documents using your touchpad or mouse. What makes Preview superior to Paint is the signature tool. You can add shapes, text, choose fill and outline colors, use a pen tool, and access a nice selection of brushes.

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