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Protocol Buffers file

Open and edit PROTO files

You can open, view and edit PROTO files for free right here in your browser, without VS Code and without uploading anything. A schema in Protocol Buffers, Google’s language-neutral format for structured data, open-sourced in 2008. Messages and services are defined once and compiled into code for many languages.

Files are converted in your browser and never uploaded. By using Anyfile you agree to the Terms of Use.

View a PROTO file without VS Code

Open and viewYes
EditYes
Create a new oneNot yet
Save as PROTOYes, keeping what Anyfile doesn’t show
FormatBy Google, since 2008

Edit PROTO files

Keeps the original encoding (UTF-8, UTF-16 or Windows-1252), byte-order mark and line endings unless you change them.

More about the text and code editor

.proto

Protocol Buffers file

A schema in Protocol Buffers, Google’s language-neutral format for structured data, open-sourced in 2008. Messages and services are defined once and compiled into code for many languages.

Defining gRPC APIs and compact data exchanged between services.

Opens in VS Code, IntelliJ IDEA, any text editor

Questions

How do I open a PROTO file without VS Code?

Drop it on this page, or choose it. It opens in Anyfile’s text and code editor right in your browser, with nothing to install and no account.

Can I edit a PROTO file online for free?

Yes. Keeps the original encoding (UTF-8, UTF-16 or Windows-1252), byte-order mark and line endings unless you change them..

Is my PROTO file uploaded?

No. It opens, changes and saves on your device. Nothing is sent to a server.