This Device ID Application is very useful for developers to fetch all unique device ids from your android device.
Play store link: https://play.google.com/store/apps/details?id=com.feaws.deviceid
This app DOES NOT REQUIRE INTERNET permission. Its safe to use. The device ids can be used in multiple ways for developers like sending push notification to a device. The device ids can also be shared to other apps. It is compatible with almost all the existing android devices.
The app fetches the Secure Android ID, Google Service Framework(GSF) ID, UUID, IMEI from the device. All the Ids are unique to each device. More features will be added in upcoming releases.