HomeCustom Field Mock Data Generator

Custom Field Mock Data Generator

Custom-field mock data generator with reusable templates and export to JSON, CSV, SQL, XML, and YAML

Data Settings

Field Setup

Template Presets

Generated Data

Click "Regenerate" to start creating data
Fields and parameters updated. You can regenerate now.

Data Stats

Records

0

Fields

0

Data Size

0 B

Format

JSON

Usage Examples

JavaScript (fetch)

fetch('/api/data')
  .then(response => response.json())
  .then(data => console.log(data));

Python (requests)

import requests
response = requests.get('/api/data')
data = response.json()
print(data)

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Documentation

About Custom-field Mock Data Generator

This tool generates mock datasets from custom field definitions with multi-format output support.

Key Features

  • Custom Field Rules: Add fields with configurable generation logic.
  • Batch Generation: Produce many records quickly.
  • Multi-format Output: JSON, CSV, SQL, XML, YAML.
  • Template Presets: Start from common field templates.
  • Output Stats: Record count, field count, size, and format indicators.

Steps

  1. Choose output format and record count.
  2. Define field rules.
  3. Optionally apply templates.
  4. Generate and copy/download data.

Use Cases

  • Preparing test data for integration.
  • Producing API documentation sample payloads.
  • Rehearsing import pipelines with synthetic data.

FAQ

How do I keep generated records unique?

Use sequence, constrained random ranges, or composite key strategies in field definitions.

Does SQL output include table creation?

It usually focuses on data rows/inserts; maintain schema creation separately per database standards.

Data is processed locally in your browser by default and will not be uploaded to any server. Upload will be clearly indicated if required.

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