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JSON Workbench
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🔒 100% local-first โ your JSON never leaves your browser
JSON Formatter
Local-first JSON & API developer workspace.
Input Source
โก Advanced Developer Toolbox
Transform, Mock, Security & API Client
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Text & Key Case:
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Paste JSON Payload
Paste raw JSON, drag & drop a .json file, or choose a workflow below:
โ Waiting for JSON
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Generated Output
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Paste JSON in the input panel and hit Beautify or Generate to see results here.
JSON to Zod โ Generate Runtime Validation Schemas & TypeScript Types
TypeScript interfaces validate code at compile time, but Zod schemas validate real API responses at runtime. Paste any JSON object here and get a complete z.object({...}) schema along with exported z.infer<typeof ...> types.
The output handles nested object schemas, primitive types (z.string(), z.number(), z.boolean()), optional fields with .optional() or .nullable(), and array schemas with z.array(...).