Google has announced the discontinuation of its goo. gl URL shortener service, with support ending on March 30, 2018. After April 13, 2018, only existing users will be able to create short links, and you can access your analytics and download your short link data until March 30, 2019.
Existing links will still redirect as intended, but you should back up your links or convert them to other formats before the service fully shuts down. As a result of this change, the app will remove the option to generate Google short links. It's important for you to take action to ensure your links remain functional and accessible after the discontinuation of the service.
As Per google short link: Starting March 30, 2018, we will be turning down support for goo.gl URL shortener. From April 13, 2018 only existing users will be able to create short links on the goo.gl console. You will be able to view your analytics data and download your short link information in csv format for up to one year, until March 30, 2019, when we will discontinue goo.gl. Previously created links will continue to redirect to their intended destination.
As google stop this service app remove google link generate option, make sure you backup it or convert into other links.
As google stop short link option, we discontinue with our app as well.