Core features of iMessage, available on all supported platforms, include sending texts, images, videos, and documents; getting delivery and read statuses (read receipts); and end-to-end encryption (which means no one, including Apple itself, is able to intercept or tamper with sent messages). On all platforms except macOS, the service also allows sending location data and stickers. On iOS and iPadOS, third-party developers can extend iMessage capabilities with custom extensions (an example being quick sharing of recently played songs).