Paste sample API JSON responses and get strongly typed TypeScript interfaces with automatically inferred primitive types, nested objects, and arrays.
Specifications & Details
Feature
Specification
Execution Mode
In-Browser (Client-Side WebAssembly / JS)
Privacy Guarantee
Zero Server Transfer — 100% Local Device Processing
Supported Formats / Inputs
json, typescript, go, struct
Pricing & Usage Limits
100% Free Forever — No Signup, Unlimited Use
Browser Compatibility
Chrome, Firefox, Safari, Edge, Mobile Browsers
About this tool
JSON to Code: Generate TypeScript, Go, Python, Java, C# or Rust types from JSON. Processing runs locally in your browser — your input is not uploaded to ThothBox.
Common Use Cases for developer tools
When you need to paste sample API JSON responses and get strongly typed TypeScript interfaces with automatically inferred primitive types, nested objects, and arrays, JSON to TypeScript Interface Generator handles it right in your browser — no download or installation required.
Use JSON to TypeScript Interface Generator to prepare data before sharing or archiving it: everything stays on your device.
JSON to TypeScript Interface Generator works on any computer, including shared or locked-down machines where you cannot install software.
Bookmark JSON to TypeScript Interface Generator for repeatable tasks: open the page, run the job, download the result — free and unlimited.
Key Advantages
Zero server upload. Your files are processed entirely in your browser and never reach ThothBox servers.
Instant results. No upload queues or waiting rooms: the job runs at native browser speed on your own hardware.
No registration. No account, email, or usage limits — open the page and start working immediately.
How to use
Open JSON to Code and paste or type your input.
Choose any options that affect the output.
Run the tool or watch the live result update.
Copy or download the output.
FAQ
Does this generator support nested JSON objects?
Yes, it creates sub-interfaces for all nested objects and handles array types cleanly.