When it comes to converting file extensions on your iPhone, don't worry about downloading a third-party app when you can make the changes yourself.

The only issue until recently was that the Files app did not support the displaying of file extensions. (For those unfamiliar with extensions, they are the suffixes that apps append to filenames.

Maps extensions allow you to integrate third-party apps into Apple Maps search results. The most obviously useful app for this is something like the reservation booking app, OpenTable.