The defaultcheck plugin is used to check whether nullable is not used incorrectly.

The description (experimental) plugin generates a Description method for each message.

The embedcheck plugin is used to check whether embed is not used incorrectly.

The enumstringer (experimental) plugin generates a String method for each enum.

The equal plugin generates an Equal and a VerboseEqual method for each message.

The face plugin generates a function will be generated which can convert a structure which satisfies an interface (face) to the specified structure.

The gostring plugin generates a GoString method for each message.

The marshalto plugin generates a Marshal and MarshalTo method for each message.

The oneofcheck plugin is used to check whether oneof is not used incorrectly.

The populate plugin generates a NewPopulated function.

The size plugin generates a Size or ProtoSize method for each message.

The stringer plugin generates a String method for each message.

The testgen plugin generates Test and Benchmark functions for each message.

The onlyone plugin generates code for the onlyone extension.

The unmarshal plugin generates a Unmarshal method for each message.