Json Hub is a modern Windows app for working with JSON. Edit, validate, and transform JSON instantly, 100% offline. Convert JSON/JSONC/NDJSON to XML, YAML, CSV/TSV, TOON, TOML, HTML, Markdown or Base64. Inspect complex payloads in a Table/Tree Viewer. Generate JSON Schema and Stub Code for 10+ programming languages like C#, Java, Typescript etc., Minify, stringify or prettify with custom indentation and quickly copy, save, or share results. Native WinUI design elements with light/dark themes. Key features → Powerful editor with Monaco-based syntax highlighting → JSON schema validation with an error panel, auto discovery, schema catalog and line reveal → Include support for JSONL and NDJSON / JSONL as valid input formats → One‑click convert: XML, YAML, CSV/TSV, Base64, HTML, TOON, MD, TOML, JSON Schema → Table View: flatten arrays/objects into a readable grid → Tree View: expand and collapse JSON properties → Prettify/Minify/Stringify with configurable indentation → Copy, Save As (JSON/XML/YAML/CSV/TSV/TXT), and Share → Load from file or URL, sample datasets included → Light/Dark/System themes → 100% local processing; no data leaves your device

JSON Formatter JSON Validator with Schema based validation support JSON to XML Converter JSON Table View JSON to CSV Converter JSON to Base64 Converter JSON to YAML Converter JSON to TSV Converter JSON to HTML / MD Converter JSON to TOON Converter JSON Minifier JSON to TOML Converter JSON Tree Viewer JSON to Code Generator (C#, Java, Typescript etc.,) JSON to JSON Schema Generator

New in v10.0 → Added JSON Schema catalog and schema validations → Added Command palette New in V9.0 → Auto-transform on input change: Transformations now trigger automatically as you edit, with results reflected instantly in the output editor. → Drag-and-drop JSON file support: You can now drag and drop JSON files directly into the input editor. → JSON tree view improvements - sort, transform, modify etc., within the tree view → Toon, TOML and YAML Linter bug fixes and syntax highlighter improvements → Added keyboard shortcuts for save, open, format, minify, focus mode and instance creation. → Added customizations for clipboard auto population and default focus mode on app startup. → Now supports JSONL and NDJSON as valid input formats. → JSON Tree Viewer and Stringify added