protoc — Parse Google Protobuf `.proto` files and generate output in the specified language. More information

Generate Python code from a `.proto` file

protoc --python_out={{path/to/output_directory}} {{input_file.proto}}

Generate Java code from a `.proto` file that imports other `.proto` files

protoc --java_out={{path/to/output_directory}} --proto_path={{path/to/import_search_path}} {{input_file.proto}}

Generate code for multiple languages

protoc --csharp_out={{path/to/c#_output_directory}} --js_out={{path/to/js_output_directory}} {{input_file.proto}}

Encode a text-format message into a protocol message from a `.proto` file

protoc < {{message.txt}} --encode={{TypeName}} {{input_file.proto}}

Decode a protocol message into text-format from a `.proto` file

protoc < {{message.bin}} --decode={{TypeName}} {{input_file.proto}}