Protocol Buffers Encoder/Decoder

About Protobuf Encoder/Decoder

This tool encodes, decodes, validates, and raw-decodes protobuf payloads from .proto schemas, with JSON/form and binary format support.

Key Features

• Schema Parsing: Parse .proto and detect message types/fields.
• Operation Modes: Encode, Decode, Validate, and Raw Decode.
• Flexible I/O Forms: JSON or form input for encode; JSON/form output for decode.
• Binary Input Formats: Base64, Hex, and spaced Hex.
• Built-in Samples: Multiple schema and data examples.
• Output Helpers: Copy output, byte-size info, raw field table.

Steps

1. Paste/load .proto schema and parse it.
2. Select message type and operation mode.
3. Provide JSON/form input (encode) or binary input (decode).
4. Run action and inspect structured/raw output.

Use Cases

• gRPC payload troubleshooting.
• Field compatibility checks across schema versions.
• Rapid protobuf data generation/parsing in QA/dev.

FAQ

Why are no message types detected after parsing?

Schema may contain syntax issues or incomplete message definitions.

Why does decode fail or look corrupted?

Check whether binary input format and selected message type are correct.