How To Remove Alpha Channel (Transparency) From Images When Uploading App to the App Store

Finally, your app is uploaded to the App Store Connect, you have the latest build processed and you are uploading images — the last step before Submitting for Review. You need some 40 images and there is no time to lose processing them. And then you get a message Images can’t conatain alpha channels and transparencies. So how do you remove alpha channels and transparencies from the images you want to upload to the…

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