Download Protocol Buffers 34.0

Open-source cross-platform data format used to serialize structured data

Updated: February 27, 2026

Size: 3.3 MB

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3.3 MB · February 27, 2026

protoc-34.0-win64.zip

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34.0 February 27, 2026 3.3 MB 33.5 January 31, 2026 3.3 MB 33.4 January 14, 2026 3.3 MB 33.3 January 12, 2026 3.3 MB 33.2 December 07, 2025 3.3 MB 33.1 November 14, 2025 3.3 MB