# JSON to Protobuf

> Generate proto3 message definitions from a JSON sample, with repeated fields, int32 or int64 picked from the data, and json_name options.

- URL: https://prismkit.hippodev.app/en/json/json-to-protobuf
- Category: JSON
- Runs: client-side, no upload

This is an interactive tool — open https://prismkit.hippodev.app/en/json/json-to-protobuf to use it.