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JSON to TypeScript

Generate clean TypeScript interfaces from any JSON, with nested object and array support. Runs fully offline.

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Drop files here or click to browse
Supports all files - stays on your device

How to use JSON to TypeScript without uploading

  1. Click the dropzone or drag files - they stay in your browser's RAM.
  2. Click "Run" - processing happens via pdf-lib / Canvas / WASM on your device.
  3. Download result. Check DevTools โ†’ Network: no POST, no upload.
Privacy: There is no /upload endpoint. We couldn't see your files even if we tried - the site is static on Cloudflare Pages.
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$50/mo per slot
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Contact contactae2000@gmail.com - $50/mo per slot