# default-browser-id > Get the [bundle identifier](https://developer.apple.com/library/Mac/documentation/General/Reference/InfoPlistKeyReference/Articles/CoreFoundationKeys.html#//apple_ref/doc/plist/info/CFBundleIdentifier) of the default browser *(macOS)*\ > Example: `com.apple.Safari` ## Install ``` $ npm install default-browser-id ``` ## Usage ```js import defaultBrowserId from 'default-browser-id'; console.log(await defaultBrowserId()); //=> 'com.apple.Safari' ```