Extract text from PROTO files
To convert your PROTO file to another format, you need Google Protocol Buffers or other Developer software.
To convert other file formats to the "Interface Description Language" file type, you need software like Google Protocol Buffers or a similar tool.
A .PROTO file is a source code definition used by Google Protocol Buffers (Protobuf), a language-neutral mechanism for serializing structured data. Think of it as a blueprint or contract: it describes the structure of data (messages, fields, and types) but does not contain the data itself. Because .PROTO files are essentially interface descriptions, they cannot be "opened" like a standard document or image. Their primary purpose is to be compiled into code.
The main challenge users face is that a .PROTO file is useless on its own - it must be processed by the protoc compiler to generate classes for languages like Java, C++, Python, Go, or C#. Users also frequently need to convert these definitions into JSON Schema or OpenAPI (Swagger) specs to integrate with web APIs, or they need to use the .PROTO file to decode a binary data file (often bin or pb) into a human-readable JSON or XML format for debugging. Without the correct .PROTO definition, the binary data it describes is an unreadable stream of bytes.
Convert.Guru analyzes your PROTO file, detects the exact format, and lets you read the text inside.
Users also converted PROPERTIES, TXT, PB, PROT, TOMBSTONE_08, PROF, PROTOBIN, ZIP, XML, JSON, GZ, VERSION and BINARYPB files.
The history of Convert.Guru began over 25 years ago in California with Tom Simondi’s file-format database. A former contributor to Space Shuttle development and a software pioneer of the 1980s, Simondi established a trusted resource for file type analysis that was even referenced by Microsoft Windows XP. Today, we use modern technology to process and convert thousands of file formats while continually improving our PROTO converter.