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Test Data Faker Builder

Generate structured test data from field configuration with support for faker fields, regex rules, credit cards, IDs, and batch export

Example Results

1 examples

Generate QA seed users

Create structured records for frontend testing with names, emails, credit cards, and status values

{
  "summary": {
    "count": 3
  },
  "records": [
    {
      "fullName": "Emma Smith"
    }
  ]
}
View input parameters
{ "configJson": "{\n \"fields\": [\n {\n \"name\": \"fullName\",\n \"type\": \"fullName\",\n \"locale\": \"en\"\n },\n {\n \"name\": \"email\",\n \"type\": \"email\"\n },\n {\n \"name\": \"creditCard\",\n \"type\": \"creditCard\",\n \"network\": \"visa\"\n },\n {\n \"name\": \"status\",\n \"type\": \"pick\",\n \"values\": [\n \"new\",\n \"active\",\n \"blocked\"\n ]\n },\n {\n \"name\": \"signupCode\",\n \"type\": \"regex\",\n \"pattern\": \"QA-[A-Z0-9]{6}\"\n }\n ]\n}", "count": 3, "exportFormat": "json" }

Key Facts

Category
Generator
Input Types
textarea, number, select
Output Type
json
Sample Coverage
4
API Ready
Yes

Overview

Test Data Faker Builder is an online generator tool for generate structured test data from field configuration with support for faker fields, regex rules, credit cards, ids, and batch export. It is especially useful when working with json, csv content.

When to Use

  • •Use it when you need to convert json, csv content quickly in the browser.
  • •Helpful for generator workflows that need repeatable inputs and fast results.
  • •Useful when you want to test input and output behavior before integrating the workflow elsewhere.

How It Works

  • •Provide Field Config JSON, Record Count, Export Format as input to the tool.
  • •The tool processes the request and returns a json result.
  • •For repeatable workflows, use the API endpoint shown on the page after validating the result interactively.

Use Cases

Convert json, csv data during debugging or QA.
Validate expected output before using the API or automation flows.
Compare small variations of input to understand output differences quickly.

Try with Samples

json, csv, regex
CSV Samples
Sample CSV files with various data types, sizes, and complexity levels
preferred input family json
json
Python Samples
Essential Python code examples and Hello World demonstrations
preferred input family json
json
Postman Collections - API Testing
Comprehensive Postman collection examples including API testing, automation scripts, environment variables, mock servers, and advanced testing patterns for REST APIs
preferred input family json
json
NDJSON Samples
Downloadable NDJSON files from simple to complex for ingestion, streaming, and pipeline tests
preferred input family json
json

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FAQ

What does Test Data Faker Builder do?

Test Data Faker Builder helps you convert json, csv content online without setting up a separate local script or app.

When should I use this tool?

Use it when you need a quick convert workflow, want to verify output, or need a browser-based utility for generator tasks.

Can I try this tool with sample data?

Yes. Try short representative inputs first, then move to larger or more complex cases once the output looks correct.

What inputs does Test Data Faker Builder accept?

Test Data Faker Builder accepts Field Config JSON, Record Count, Export Format.

Is there an API for Test Data Faker Builder?

Yes. The tool page includes an API endpoint so you can move from manual testing to scripted usage.

API Documentation

Request Endpoint

POST /en/api/tools/test-data-faker-builder

Request Parameters

Parameter Name Type Required Description
configJson textarea Yes -
count number No -
exportFormat select No -

Response Format

{
  "key": {...},
  "metadata": {
    "key": "value"
  },
  "error": "Error message (optional)",
  "message": "Notification message (optional)"
}
JSON Data: JSON Data

AI MCP Documentation

Add this tool to your MCP server configuration: 

{
  "mcpServers": {
    "elysiatools-test-data-faker-builder": {
      "name": "test-data-faker-builder",
      "description": "Generate structured test data from field configuration with support for faker fields, regex rules, credit cards, IDs, and batch export",
      "baseUrl": "https://elysiatools.com/mcp/sse?toolId=test-data-faker-builder",
      "command": "",
      "args": [],
      "env": {},
      "isActive": true,
      "type": "sse"
    }
  }
}

You can chain multiple tools, e.g.: `https://elysiatools.com/mcp/sse?toolId=png-to-webp,jpg-to-webp,gif-to-webp`, max 20 tools.

If you encounter any issues, please contact us at [email protected]