There are several third-party tools available that can help with the conversion process, such as:
If you’ve ever downloaded an iOS application from a source other than the App Store, or tried to back up your own development build, you’ve likely encountered a confusing file format situation. You download a file expecting an app, but instead, you get a .zip file. convert zip to ipa new
: Right-click the Payload folder and select Compress (macOS) or Send to > Compressed (zipped) folder (Windows). How to Convert ZIP to IPA: A Complete
Here's how to convert a ZIP file to an IPA file: convert zip to ipa new