Convert JSON to TypeScript Types Online
Stop writing TypeScript interfaces by hand. Paste any JSON payload and get accurate TypeScript type definitions instantly - perfect for API response typing.
JSON to TypeScript
Convert JSON data to TypeScript interfaces and types
TypeScript types will appear hereQuick Start
- 1Paste a sample JSON response or data structure
- 2TypeScript interfaces are generated automatically
- 3Customize the root interface name if needed
- 4Copy the types into your TypeScript project
More Convert Tools
All converters →Convert HTML to Markdown Online
Paste HTML and convert it to clean Markdown. Free online HTML to Markdown converter preserving links, images, and formatting.
Convert Tailwind CSS to Plain CSS Online
Paste Tailwind utility classes and get equivalent plain CSS. Free online Tailwind to CSS converter for quick reference.
Convert Text to Binary Online
Convert any text to binary code instantly. Free online text to binary converter with ASCII and UTF-8 support.
Convert Text to Morse Code Online
Translate text to Morse code dots and dashes instantly. Free online text to Morse code converter with audio playback.
Convert Morse Code to Text Online
Decode Morse code dots and dashes back to readable text. Free online Morse to text decoder with instant results.
Convert Image to Base64 Online
Upload an image and get its Base64 encoded string. Free online image to Base64 converter for embedding images in HTML and CSS.
Looking for FAQs and advanced options? Visit the full JSON to TypeScript page →