Protocol Buffers (a.k.a., protobuf) are Google's language-neutral, platform-neutral, extensible mechanism for serializing structured data. You can learn more about it in protobuf's documentation.

Thanks to Kotlin's interop with Java, Kotlin programs could already work with Protocol Buffers by simply using the classes that the Protocol Buffers compiler is able to generate for the Java language.

Take advantage of Protocol Buffers media formatter in your Web API services to reduced payload and generate faster responses ...

What does Protocol Buffers actually mean? Find out inside PCMag's comprehensive tech and computer-related encyclopedia.

Google released an FAQ detailing Protocol Buffers, along with source code for the Java, Python, and C++ protocol buffer compilers.

Why did Google decide to go Open Source? "We have many other projects we would like to release as [O]pen [S]ource that use protocol buffers, so to do this, we needed to release protocol buffers first.