TypeScript Types
Provide valid JSON to generate types.
View JSON clearly, with validation in the browser
Paste, upload, or fetch JSON. Explore a collapsible tree without sending data to a server.
Size: 22 B
Depth: 0
Paste JSON, upload a `.json` file, or fetch JSON from an API URL.
Supports .json files up to your browser limit.
No recent snapshots yet.
Parsed JSON appears here once valid input is provided.
Provide valid JSON to generate types.
Provide valid JSON to generate interfaces.
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.
A JSON object viewer turns raw JSON into a readable tree. Instead of a minified string, you expand nested objects and arrays, search keys, and copy paths without leaving the browser.
Paste JSON, upload a file, or fetch a public URL. Format or minify, switch tree and raw views, then copy TypeScript types or a shareable link when you need to hand data to a teammate.
Inspect nested structure or scan formatted text with syntax-aware highlighting.
Find keys or values quickly. Invalid JSON shows line and column so you can fix it fast.
Load JSON from the editor, a local file, or a public endpoint.
Generate TypeScript type and interface output from the current document.
Parsing happens locally. Your JSON is not uploaded to our servers.
Use it for snippets on a phone; desktop is better for very large documents.