TypeScript Types
Provide valid JSON to generate types.
JSON Object Viewer - View Your JSON Data Clearly, No Headaches
Paste JSON, upload a file, or fetch from a URL to explore a clean collapsible tree with validation and syntax-aware highlighting.
Size: 22 B
Depth: 0
JSON Input
Paste JSON, upload a `.json` file, or fetch JSON from an API URL.
Upload JSON File
Supports .json files up to your browser limit.
Fetch JSON From URL
Recent JSON History
No recent snapshots yet.
Parsed JSON appears here once valid input is provided.
Interface Output
Provide valid JSON to generate interfaces.
AI UI Generator
Generate a human-friendly UI plan + Tailwind HTML preview + TypeScript interfaces from your JSON.
Fix JSON validation errors above to enable AI analysis.
Click Analyze & Generate UI to get a structured explanation, UI recommendations, a premium Tailwind HTML preview, and TypeScript interfaces.
What Exactly Is a JSON Object Viewer?
A JSON object viewer takes raw JSON and presents it in a human-friendly format. Instead of a long minified string, you get a clean interactive tree where you can expand and inspect nested objects and arrays.
This JSON viewer online is built for fast workflows: paste JSON, upload a file, or fetch data from a URL, then explore everything instantly in your browser.
Why Use This JSON Viewer Online?
- Instant tree view for quick structure exploration
- Collapsible nodes to navigate large JSON documents easily
- Syntax highlighting for keys, strings, numbers, and booleans
- Error detection with exact line and column details
- Search and filter to find keys or values quickly
- Copy as escaped JSON for embedding in source code
- Dark mode for comfortable late-night debugging sessions
Everything runs locally in your browser. Your JSON data never leaves your device.
JSON Document Viewer - For Large and Complex Files
Large API payloads and exported configs can be difficult to inspect in plain text. This JSON document viewer is optimized to stay responsive with large files so you can scroll, search, and inspect data without unnecessary lag.
How to Use This JSON Object Viewer (It's Simple)
Step 1 - Get your JSON: Copy it from an API response, a `.json` file, or your editor.
Step 2 - Paste or upload: Paste directly, upload a file, or fetch JSON from a public URL.
Step 3 - Explore: Expand tree nodes, search values, and copy only the fields you need.
Frequently Asked Questions
Do I need to install anything?
No. This online JSON viewer runs directly in your web browser.
Is my JSON data safe?
Yes. Processing happens locally in your browser and your JSON is not sent to a backend.
What if my JSON is invalid?
The JSON document viewer shows the error location with line and column details to help you fix it fast.
Does it work on mobile?
Yes. Mobile works for quick snippets, while desktop is better for large and complex files.