PROTO File Extension

The PROTO file extension was created by Google and is also known as the Protocol Buffer File. PROTO is classified as a Developer Files and You can open and render the contents of this file in a Text Editor. You can open PROTO files in protobuf program.

Protocol Buffer File Type

What is a PROTO File Type?

Once a buffer protocol has been specified, you can use Google Java, C + + or Python buffer libraries (&" protobuf &") to automatically generate source code. Once generated the source code can be used in your program to create structured data, read it and write it to the input and output streams.

The protocol buffers are used to serialize Java, C + + or Python objects. This makes it possible to encode data in a common format and exchange them between applications written in the three languages.

Protocol buffers are used by almost all Google in file formats-home and RPC protocols.

Free Online PROTO Tools & Apps

Access powerful and secure free online PROTO tools to convert, view, edit, merge, split, and compare PROTO files — all without installing any software. Our tools support the .PROTO (Protocol Buffer File) file extension and run smoothly in any modern browser.

Select a tool below to explore features and manage your PROTO files directly from your device with ease.

PROTO Converter

Open PROTO

Edit PROTO

Compare PROTO Files

Merge PROTO Files

Split PROTO Files

PROTO Metadata Viewer

PROTO Files Common Issues

There are few common issues with the Protocol Buffer File .PROTO File Extensions while opening the .PROTO files on Windows and MacOs, we have solution to those issues such as:

Can't Open PROTO Files?

1. You must have supported software programs installed for Protocol Buffer File on your system such as protobuf.
2. Associate default Protobuf protobuf program for *.proto (Protocol Buffer File) files.
   
   

   Associate PROTO Default Program on Windows

   1. Right-click a *.PROTO (e.g example.proto) file and click Open With.
   2. In the Open with dialog box, click Protobuf protobuf program Or click Browse to locate the program (*.exe) that you want.
   3. Select check box for Always use this app to open .proto files.
   
   

   Associate PROTO Default Program on MacOs

   1. Click *.PROTO (e.g example.proto) file and click information -> Open With.
   2. In the programs list, click Protobuf protobuf program Or other appropriate program that you want.
   3. Confirm Change for all... and Contine.
   4. A message will appear "This change will be applied to all files with .protobuf extension. By clicking Continue you confirm your selection", click Contine to apply changes.

Related PROTO File Extensions

PROTO default file extension is .PROTO and other similer related extensions are:

All Platform Software Programs for PROTO File Extension

List of all softwares that can open the PROTO files on each platforms such as Windows, Mac, iOS, Linux, Web and Android, you may click the each software link for more details for other supported formats for each software and the verified direct download links for each software with complete lisensing details.

Open PROTO File on Windows

	Software	License	Developer
	Apple iPhone Configuration Utility 000 for Windows	Free	Apple iPhone Configuration Utility
	protobuf 000 for Windows	Free	protobuf

Open PROTO File on Mac OS

	Software	License	Developer
	protobuf 000 for MacOs	Free	protobuf

Open PROTO file on Linux

	Software	License	Developer
	protobuf 000 for Linux	Free	protobuf

Open PROTO file on Web

Open PROTO file on iOS

Open PROTO file on Android

About Licensing

1. Free Trial This software are often used for an attempt period, like 14 days, before requiring payment. Some trial versions have a reduced feature set.
2. Free This software is liberal to use. Examples include open-source , freeware software, like free programs supported by advertising.
3. Free⁺ This software is liberal to download and use, but contains in-app purchases (IAP) to unlock additional content or functionality.
4. Paid This software must be purchased so as to use it. it's going to be offered as a perpetual license or ongoing subscription.
5. Included with OS This software is bundled with an OS , like Windows, macOS, or Android.

About PROTO - Protocol Buffer File