Zod to JSON Schema Converter
Convert Zod validation schemas into standard JSON Schema Draft-07 and Draft-2020-12 models in your browser.
At a glance
Zod to JSON Schema Converter compiles runtime Zod schemas into standard JSON Schema Draft-07 or 2020-12 specifications. It translates z.object into object types, marks non-optional properties as required, maps z.array to array schemas, converts z.enum to enum arrays, and preserves descriptions and defaults for API integration.
100% Client-Side Zod to JSON Schema Converter
Compile runtime Zod schemas into standard Draft-07 and 2020-12 JSON Schema specifications with OpenAI Structured Outputs compatibility. Zero server uploads.
OpenAI Structured Outputs
Toggle OpenAI Strict mode to enforce additionalProperties: false across all object schemas for guaranteed LLM JSON compliance.
IETF RFC Standard
Produces compliant Draft-07 or Draft 2020-12 schemas with full support for formats, minimums, maximums, and enums.
100% In-Browser Privacy
All AST parsing and JSON Schema transpilation executes strictly inside your local browser tab. Zero network telemetry.
Why Use This Zod to JSON Schema Converter?
How to Use Zod to JSON Schema Converter
Paste Zod Schema
Paste your Zod schema source code into the editor or choose one of the pre-configured templates.
Configure Schema Options
Select your target JSON Schema draft and toggle OpenAI Structured Outputs strict mode.
Copy or Export JSON Schema
Copy the generated JSON Schema directly to your clipboard or download as a .json file.
Zod to JSON Schema example
Converts runtime Zod userSchema into a standard JSON Schema with UUID format, string minLength, integer type, and required field list.
const userSchema = z.object({
id: z.string().uuid(),
name: z.string().min(2),
age: z.number().int().optional()
});
{
"": "http://json-schema.org/draft-07/schema#",
"title": "User",
"type": "object",
"properties": {
"id": { "type": "string", "format": "uuid" },
"name": { "type": "string", "minLength": 2 },
"age": { "type": "integer" }
},
"required": ["id", "name"]
}
Technical Specifications & Engine Details
| Specification | Details |
|---|---|
| Supported Formats | TEXT/PLAIN, .TS, .JS → TEXT/PLAIN, .JSON |
| Execution Mode | 100% Client-Side In-Browser (client) |
| Browser Requirements | Modern browser with JavaScript enabled. |
| Performance Constraints | Runs client-side in browser memory. Performance and file limits are bounded by available local device RAM. |
100% Client-Side Privacy Guarantee
Your code files remain strictly on your local device. Zero data is transmitted to external servers.
Frequently Asked Questions
Can I use the output schema with OpenAI Structured Outputs?
How are optional and nullable fields converted?
Is my Zod code sent to any external server?
Methodology
This tool runs entirely in your browser. The example above shows a representative input and the result it produces.
Last updated .