JSONCraft: Offline Data Tool

JSONCraft is a professional, air-gapped developer toolkit designed for inspect, format, validate, and convert JSON data offline. Keep your sensitive API tokens, client secrets, and customer data safe from untrusted cloud formatters.

Key Features:
- 100% Air-Gapped & Offline: Zero network transmission of your payloads. Everything executes in an isolated local thread.
- Interactive Collapsible Tree View: Explore large, nested JSON files with high-performance syntax highlighting at 60 FPS.
- Micro-Heuristic Auto-Fixer: Detects and repairs broken syntax such as missing commas, unquoted keys, and unclosed brackets in one tap.
- Visual JSON Diff: Compare two JSON payloads side by side with structured +Add, -Delete, and ~Modify delta highlights.
- Multi-Format Converter: Seamless local conversion between JSON, YAML, CSV, and XML formats without cloud dependencies.
- Code Model Generator: Automatically generate clean Dart, TypeScript, and Kotlin data classes directly from your JSON schemas.
- Developer First: Micro-haptic tactile feedback, instant search with path breadcrumbs, and zero intrusive interruptions.