Free Client-Side Online JSON Viewer, Visualizer, Formatter & Diff Tool
JSON Matrix Pro by Host Wallah is a high-performance, 100% private online JSON viewer, tree inspector, tabular grid, topological graph visualizer, and code converter. View, format, validate, compare, and export JSON structures directly in modern web browsers.
Key Features:
- Interactive Tree & Node Inspector: Deep drilldown into JSON hierarchies with instant JSONPath copying
- Tabular Data Grid: Transform complex JSON object arrays into sortable spreadsheet tables
- Dynamic Topological Graph Visualizer: Physics-driven relational node diagram simulation
- Side-by-Side JSON Diff Engine: Longest Common Subsequence (LCS) comparison with dynamic line counters
- Instant Malformed JSON Auto-Repair: Automatic AST fix for single quotes, missing quotes, and trailing commas
- Multi-Format Code Converter: Export datasets to TypeScript interfaces, YAML, CSV, Python dictionaries, and XML
- 100% Client-Side Data Privacy: Zero file uploads to any external server
How to View & Format JSON Files Online:
- Upload your file using Open or paste raw JSON into the editor pane.
- Click Format to apply 2-space indentation or Auto-Fix to repair malformed syntax.
- Switch between Tree View, Table View, Visualizer Graph, and Diff / Compare tabs.
- Filter specific nested objects using the JSONPath Query bar (e.g.
store.inventory[0]). - Click Export to convert and download your schema in TypeScript, YAML, CSV, Python, XML, or JSON format.
Frequently Asked Questions (FAQ):
- Can I inspect large JSON files online?
- Yes, JSON Matrix Pro is optimized to parse, tokenize, and render large JSON structures smoothly directly in browser memory.
- Is this JSON visualizer tool free to use?
- Yes, JSON Matrix Pro by Host Wallah is 100% free with unlimited usage, exports, and comparisons.
- Does my JSON data leave my computer?
- Never. All data parsing, filtering, graph calculations, and export transformations execute strictly inside your local web browser engine.
- How do I convert JSON to TypeScript or CSV?
- Load your JSON into the editor, click the Export dropdown in the header, and choose TypeScript Interfaces or CSV Spreadsheet.