Protocol Buffers Wire Inspector
Inspect Protocol Buffers tags and raw field values from hexadecimal wire bytes.
Loading tool…
How to use Protocol Buffers Wire Inspector
Inspect Protocol Buffers tags and raw field values from hexadecimal wire bytes. Varints remain decimal strings to preserve unsigned64-bit values. Length-delimited fields show both hex and valid UTF8 without guessing a message schema.
- Provide the input and select the documented mode or options.
- Run the tool and review its result and any limits reported below.
- Copy the text result or download a separate output file.
Good to know
- No .proto schema, signed/ZigZag interpretation or nested-message inference. Deprecated groups are rejected.
- Input is limited to100,000 text characters and10,000 fields; truncated lengths and over64-bit varints fail.
- Processing happens in this browser tab. Inputs and results are not automatically saved or uploaded.
Common questions
What does Protocol Buffers Wire Inspector process?
Varints remain decimal strings to preserve unsigned64-bit values. Length-delimited fields show both hex and valid UTF8 without guessing a message schema.
What happens to my original input?
The tool creates a separate result. Selected files and pasted data remain on this device; inspect the result before using it in another system.
Keep going with related tools
All developer →JSON Formatter
Format and indent valid JSON in your browser, with downloadable output and clear syntax errors.
DeveloperYAML Formatter
Format standard YAML with readable indentation, duplicate-key checks, and bounded alias handling.
DeveloperJSON Viewer
Inspect a JSON document as a safe path, type, and value tree without executing its contents.
DeveloperJSON Validator
Check JSON syntax locally and see its root type, value count, and nesting depth.
DeveloperJSON to CSV
Convert a JSON array of objects into a quoted CSV table with spreadsheet formula protection.
DeveloperJSON to XML
Convert JSON into escaped, typed XML while preserving arbitrary object keys and array ordering.