JSON to TypeScript Converter.
Generate clean, idiomatic TypeScript interfaces and type definitions from JSON structures for frontend and backend codebases.
Drop your JSON file here
$Local Browser History
Saved locally in your browser storage. Never uploaded to any server.
Related JSON Developer Tools.
Explore our suite of fast, private developer utilities designed for productivity.
JSON Viewer
CoreInteractive tree viewer with lazy expansion, type colors, and path copying.
JSON Formatter
Pretty-print JSON with 2-space, 4-space, tabs, and key sorting.
JSON Validator
Strict syntax checker with character-exact line/col error location.
JSON Minifier
Compress JSON payloads with instant size reduction calculations.
JSON Diff
Compare two JSON objects side-by-side with added/removed/changed highlighting.
JSONPath Tester
Query and filter deeply nested JSON payloads in real-time.
Frequently Asked Questions.
Everything you need to know about using this JSON tool safely and efficiently.