Protobuf Decode

Protocol Buffers Binary Decoder

Input Format

Protobuf Encoded Data

Field Definitions (optional, one per line: field_number type field_name)

Protobuf Decode Guide

How to Use

Paste Base64 or Hex encoded Protobuf data
Optionally define field number, type and name mappings
Without a schema, raw decoding mode is used
Supports varint/string/int32/int64/float/double/bytes

Protobuf Wire Types

Type 0: Varint (int32/int64/bool/enum)
Type 1: 64-bit (fixed64/double)
Type 2: Length-delimited (string/bytes/embedded)
Type 5: 32-bit (fixed32/float)