Directly converting an Android APK to an iOS IPA online is not possible because the two platforms use entirely different architectures and programming languages (Java/Kotlin for Android vs. Swift/Objective-C for iOS).
While several websites claim to offer this service, they generally fall into one of two categories: deceptive marketing or simple file storage. Here is a review of the "Convert APK to IPA Online" landscape. The Reality of APK to IPA Conversion
Is it possible to convert APK to IPA online? No, you cannot directly "convert" an APK file into an IPA file.
: The underlying code libraries (APIs) for system functions like notifications, camera access, and file storage are incompatible between Android and iOS. No Universal Converter