Open the extracted folder. What do you see?
You cannot convert to IPA — you need to build with Xcode first. convert zip to ipa new
If you aren't comfortable rearranging folders or using the command line, there are automated scripts and tools available online that claim to handle the conversion. Open the extracted folder
However, use caution. Uploading proprietary or sensitive apps to random websites poses a security risk. If the app contains personal data or sensitive code, stick to Method 1 and do it locally on your machine. Now, compress the structure: cd /path/to/app zip -r app
Now, compress the structure:
cd /path/to/app zip -r app.ipa Payload/
A: No. Online "converters" either simply rename the file (useless) or repackage the contents incorrectly. Most are scams.