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Convert SQL Schema to Zod Validation Schemas Online

Generate type-safe Zod runtime schema validators directly from database CREATE TABLE statements.

SQL Dialect:

Target Output:

SQL DDL Input (PostgreSQL)

zod Output✓ Parsed 1 table (AST transpiler)

import { z } from "zod";

export const usersSchema = z.object({
  id: z.number().int(),
  email: z.string().max(255),
  full_name: z.string().max(100).optional().nullable(),
  age: z.number().int().default(18),
  is_active: z.boolean().default(true),
  created_at: z.date().default(() => new Date()),
});

export type Users = z.infer<typeof usersSchema>;

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Sample Conversion: SQL DDL → Zod Schema

Input (SQL DDL)

CREATE TABLE products (
  id INT PRIMARY KEY,
  sku VARCHAR(50) NOT NULL,
  price DECIMAL(10,2) NOT NULL,
  in_stock BOOLEAN DEFAULT true
);

Output (Zod Schema)

import { z } from "zod";

export const productSchema = z.object({
  id: z.number().int(),
  sku: z.string().max(50),
  price: z.number().positive(),
  inStock: z.boolean().default(true),
});

export type Product = z.infer<typeof productSchema>;

Frequently Asked Questions

Why validate database inputs with Zod schemas?

Zod provides runtime type validation for API request bodies and form submissions before writing data to your SQL database.

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