Encode JSON as real MessagePack binary and inspect the resulting bytes. Supports both encode and decode modes. Everything runs locally in your browser — nothing is uploaded.
Encode JSON as real CBOR binary and inspect the resulting bytes with major type analysis. Supports both encode and decode modes.
Encodes text or small files into Base64 strings and decodes them back with automatic MIME-type detection for binary safety. Everything runs locally in your browser — nothing is uploaded.
Decode Base64 strings and pretty-print JSON data — paste encoded text to see the decoded result instantly.
Convert between plain text and binary in both directions — encode text into its base-2 representation or decode binary strings back to readable text, byte by byte. Everything runs locally in your browser — nothing is uploaded.
Bidirectional YAML to JSON and JSON to YAML conversion with auto-format detection and real-time preview. Perfect for configuration files, API payloads, and data migration.
MessagePack Inspector lets you encode JSON as real MessagePack binary and inspect the resulting bytes. Supports both encode and decode modes. Everything runs locally in your browser — nothing is uploaded.. It works on any device with a modern web browser.
Encode JSON as real MessagePack binary and inspect the resulting bytes. Supports both encode and decode modes. Everything runs locally in your browser — nothing is uploaded. It runs entirely in your browser — no software installation or data uploads required.
Paste or type your content directly into the provided text area.
Yes. After the initial page load, MessagePack Inspector runs entirely on your device with no internet connection needed. All processing is done locally.
Encode JSON as real MessagePack binary and inspect the resulting bytes. Supports both encode and decode modes. All processing runs locally — no code is sent to any server.
Tools cover JavaScript, CSS, HTML, SQL, Python, JSON, XML, CSV, and more. Check the tool description for specifics.
Yes. Since processing is local, performance depends on your device. Most operations handle large files without issue.
Yes. Formatters use well-known libraries (sql-formatter, Prettier-compatible patterns) and follow widely adopted rules.
CBOR Inspector
Encode JSON as real CBOR binary and inspect the resulting bytes with major type analysis. Supports both encode and decode modes.
Protobuf Decoder
Decode protobuf wire format hex bytes into readable field structure. Shows field numbers, wire types, varints, strings, nested messages, and raw hex.