JSON Formatter Decode

This tool accepts a JSON string, validates it against RFC 8259, and returns a formatted representation. It is designed for engineers who frequently inspect API responses, logs, and data payloads to confirm structure and content.
Conceptually, the tool parses the input, optionally decodes escape sequences like \uXXXX, and then emits either a human-readable pretty format or a minified compact form. When sorting is enabled, dictionaries are traversed recursively and keys are emitted in lexicographic order to improve diff readability.
Who benefits: backend developers, QA, data engineers, and support engineers who need deterministic output for comparison, versioned payloads, or documentation. Unique value includes Unicode decoding, strict RFC 8259 compliance, and robust error reporting that pinpoints the exact position of the failure.
Core features: 1) RFC 8259 JSON parsing; 2) pretty or minified output with configurable indentation; 3) optional decoding of escape sequences; 4) optional recursive key sorting; 5) clear is_valid and error_message outputs for integration into pipelines; 6) handling of large payloads with memory-aware parsing.