Save time typing out TypeScript interfaces. Paste your JSON response (e.g., from an API call), and we will generate the matching TS interfaces fast.
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JSON to TypeScript
Instantly convert JSON objects into TypeScript interfaces
JSON Input
Paste your JSON here
TypeScript Interface
Generated type definition
JSON to TypeScript Converter
Generate TypeScript Interfaces from JSON objects. Instantly types your API responses. Free online tool.
1
Paste JSON
Paste your raw JSON object into our secure editor.
2
Analysis
Our engine automatically recursively parses all nested objects.
3
Copy TS
Grab the perfectly formatted TypeScript interfaces for your code.
Key Features
Recursive Types
Generates interfaces for nested objects automatically.
Nested Support
Handles complex deep objects with ease.
Smart Detection
Accurately identifies arrays and primitive types.
Instant Output
Get your TypeScript interfaces immediately.
Frequently Asked Questions
Null values are typed as any since the exact type cannot be inferred without more data.
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