Health XML Splitter is a tool that will split large health exports generated by Health.app into smaller, individual chunks. Health exports can be quite large, and breaking it up can be difficult if not impossible in a text editor. With this app, all you need to do is drag and drop your export.zip or export.xml right into the main window, and the app will take care of the rest.

This app was built specifically for use with Health Data Importer, the iOS app that you can use to import your Health data when migrating to a new device.