How to clear cookies and site data for Headliner?

Chrome -

1. Navigate to chrome://settings/content/all in your browser - 
2. Search for "Headliner", or you can also directly navigate to chrome://settings/content/all?searchSubpage=headliner.app  - 
3. Click on "Clear Displayed data"

Firefox -

1. Navigate to about:preferences#privacy in your browser
2. Click on "Manage Data" under the Cookies and Site Data section - 
3. Search for "Headliner" and click on "Remove All Shown" -
4. Click on "Save Changes" and then confirm that you want to remove the cookies and site data - 

Safari -

1. In the Safari menu, click on Preferences
2. Click on the Privacy tab in the menu that opens up and then click on Manage Website Data - 
3. Search for "Headliner" and then click on Remove All -