Protobuf to JSON

Convert Protocol Buffer definitions to JSON online for free. Transform .proto files into JSON schema with type mapping and examples.

PJ
Coming SoonData Converters

The full version of Protobuf to JSON is being built right now. We add new fully functional tools every week. In the meantime, you can use the basic workspace below.

About Protobuf to JSON

Convert Protocol Buffer definitions to JSON online for free. Transform .proto files into JSON schema with type mapping and examples.

This tool is completely free and runs 100% in your browser. Your data is never uploaded to any server — everything is processed locally on your device for maximum privacy and speed.

About Protobuf to JSON

Convert Protocol Buffer definitions to JSON online for free. Transform .proto files into JSON schema with type mapping and examples.

Features

  • 100% free with no sign-up required
  • Runs entirely in your browser for full privacy
  • No data stored, no files uploaded to servers
  • Works on desktop and mobile devices