Protocol Buffer is a data format recognized by GitHub Linguist and used with .proto.
Quick facts
What is Protocol Buffer
Protocol Buffer is a data format recognized by GitHub Linguist and used with .proto.
GitHub Linguist classifies Protocol Buffer as a data format, typically using extensions such as .proto.
File extensions:
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Frequently asked questions
Protocol Buffer is a data format recognized by GitHub Linguist and used with .proto.
Common extensions include .proto.
Sources & standards
Updated 2026-08-18
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