About this tool
Generate TypeORM entity from JSON. This tool is designed to provide a seamless experience for developers. It handles complex operations efficiently while maintaining a simple and intuitive interface.
Built with performance in mind, it can handle large datasets without slowing down your browser. The tool is regularly updated to support the latest standards and formats.
What is JSON to TypeORM?
This tool transforms JSON structures into TypeORM entities. It identifies data types and applies the corresponding decorators, handling basic types as well as nested objects (which can be mapped to JSON columns or separate entities depending on your preference).
Why use JSON to TypeORM?
TypeORM entities require specific decorators and type annotations. This tool automates the boilerplate code generation, allowing you to quickly move from a JSON data sample to a functional database model in your TypeScript project.
How to use JSON to TypeORM
Input your JSON data, and the tool will generate a TypeScript class decorated with TypeORM entity decorators (@Entity, @PrimaryGeneratedColumn, @Column). It maps JSON fields to appropriate database column types.
Example Output
@Entity()
export class User {
@PrimaryGeneratedColumn()
id: number;
@Column()
name: string;
@Column()
email: string;
@Column()
isActive: boolean;
@Column("simple-array")
tags: string[];
}Common Errors & Troubleshooting
Missing Primary Key
Fix: The tool defaults "id" to a primary key. If your JSON uses a different field, manually update the decorator.
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Frequently Asked Questions
Does it support relations?
Currently, it maps nested objects as simple columns. You can manually convert these to @OneToMany or @ManyToOne relations.
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