Free, 100% client-side private TypeScript Interfaces to JSON converter. Transform syntax instantly in your browser with zero data logging, strict AST validation, and CLI support.
{
"id": "sample_value",
"name": "sample_value",
"email": "sample_value",
"role": {},
"active": true,
"preferences": "sample_value",
"notifications": true,
"retries": 100,
"tags": "sample_value"
}Paste or type your source TypeScript Interfaces syntax into the input editor pane.
The parser validates data structure in real-time, building an in-memory AST without sending any bytes to external servers.
Inspect the formatted JSON output generated instantly in the output preview pane.
Copy the result to your clipboard, download as a .json file, or chain it into a multi-step DevFlow pipeline.
100% Client-Side Private: All transformations execute entirely within your browser memory; zero payload logging.
Strict AST Preservation: Retains nested objects, arrays, types, and schema contracts accurately.
Instant Interactive Feedback: Real-time syntax validation with line-specific error reporting.
DevFlow CLI Compatible: Automate identical conversions directly inside your terminal, pre-commit hooks, or CI pipelines.
Run this transformation offline using the high-performance DevFlow CLI inside GitHub Actions, GitLab CI, or pre-commit hooks.
devflow convert typescript json -i data.ts -o output.jsonConvert JSON to TypeScript interfaces or type aliases instantly.
Generate TypeScript types from GraphQL SDL schema definitions.
Convert OpenAPI/Swagger specs (JSON or YAML) to TypeScript interfaces, types, or Zod schemas.
Prettify, minify, and validate JSON data instantly.