proto → json live
Input

Proto to JSON Converter

Runs locally on your browser
Input
Proto Input
URL
lines chars
JSON Output
lines  ·  chars valid json
How it works
1

Paste Proto

Paste your Protocol Buffers definition into the input editor

2

Auto-Convert

Parses and converts to JSON in real time as you type

3

Copy or Download

Copy the result to clipboard or download as a .json file