Protocol Buffers viewer
To open a Protocol Buffers file, drop it in the box below. It opens straight away, even with no extension or the wrong one. Your browser opens it on your device: nothing is uploaded.
Open in
Opened on this device, never uploadedDrop or paste another file at any time
What you see
| Protocol Buffers in the viewer | |
|---|---|
| Extensions | .proto |
| Colours | highlight.js, Protocol Buffers |
| Large files | Coloured up to 1 MB; past that, plain text with line numbers (up to 64 MB) |
| Extensions | .proto |
| Upload | None: opened on your device |
What is a Protocol Buffers file?
In short
A .proto file defines Protocol Buffers messages and gRPC services.
The code with line numbers and colours for keywords, strings, comments and numbers, with Wrap lines and Copy. Details lists the text encoding and the number of lines.
How to open a Protocol Buffers file
- Add your Protocol Buffers. Drop the file in the box, choose it or paste it.
- Look at it. The code with line numbers and colours for keywords, strings, comments and numbers, with Wrap lines and Copy. Details lists the text encoding and the number of lines.
- Take it further. Download any file from inside an archive, or open another file.
Questions
It shows as bytes: binary protobuf has no field names inside, so it needs its .proto to be read.
No. It is read in your browser and never uploaded.
No. The viewer runs in your browser and opens the file on your device. Nothing is sent anywhere.