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Json To Typescript Interface Generator Step By Step

JSON to TypeScript Interface Generator runs in three steps: open the page, paste JSON, then copy the generated TypeScript. This page walks through each click.


Step 1 - open the tool

Go to JSON to TypeScript Interface Generator. No install or sign-in is required.


Step 2 - paste your JSON sample

Paste valid JSON into the left input box. A single object or array root works. Example: {"id": 1, "name": "Ada", "tags": ["dev"]}.


Step 3 - generate and copy

Click JSON to TypeScript Interface Generator. The right output box fills with export interface blocks and a root export type alias. Use Copy Output to grab the text for your editor.

If the input is not valid JSON, the output box shows an inline parse error instead of interfaces.

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Reviewed by the Free Tool Online editorial team · Tested in the current versions of Chrome, Firefox, Safari, and Edge before publishing. No account is needed to use any tool. Report a bug - we triage within 72 hours. · Last refreshed April 2026.

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