Native Messaging
Native Messaging is a browser extension API that enables communication between a web extension (e.g., Chrome, Firefox, or Edge extension) and a native application installed on the user's computer. It allows extensions to exchange messages with native programs, typically using a JSON-based protocol over standard input/output (stdin/stdout) or named pipes. This bridges web-based extension functionality with local system resources or legacy software that cannot run directly in the browser.
Developers should learn Native Messaging when building browser extensions that need to interact with desktop applications, access hardware devices, perform system-level operations, or integrate with existing native software. It is essential for use cases like password managers that sync with local apps, development tools that interface with command-line utilities, or extensions that require file system access beyond browser sandbox limits. This API is particularly useful for extending web technologies into desktop environments securely and efficiently.