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8 Online Test Data Generators

Learn about the various online test data generation tools that will help you generate data for test cases.

January 25, 2023
Tamas Cser

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Learn about the various online test data generation tools that will help you generate data for test cases.
One of the most critical aspects of software testing is the availability of realistic test data.

This is where test data generators come in. They are tools that can automatically generate large amounts of test data with various attributes like ID, email, name, and more. In this article, we will discuss the top free online test data generators that can be used to generate test data for your software applications.

Why Use Test Data Generators

Test data generators are essential tools for software testing as they can save you time and effort by automatically generating large amounts of test data with various attributes. With test data generators, you can quickly and easily generate data for load testing, functional testing, and other types of testing. They also allow you to test your software with a wide range of data, making it more likely that any bugs or issues will be caught before the software is released to the public. Additionally, test data generators can also be used to populate databases with dummy data for development and testing purposes.

Streamline Your Testing Efforts With These Advanced Online Test Data Generators:

Say goodbye to manual data generation and hello to efficient, accurate, and customizable data sets. With a wide range of data types and export options, you'll have all the tools you need to streamline your testing process and improve the reliability of your results. Don't let data generation hold you back, embrace the future of testing with these online test data generators:

1. GenerateData

Generatedata.com is the website of the open-source project with the same name. This tool is an engine to generate any sort of random data in any format. It currently comes with 30 or so Data Types (types of data it generates), 12 Export Types (formats for the data, like CSV, SQL, JSON), plus around 32 data sets for specific countries (city names, regions, etc.). But more importantly, it can be extended in any way you want.

  • Open-source, which means it's free to use.
  • Has a wide range of data types and export types.
  • Can be extended to meet specific needs.

Drawbacks:

  • Requires technical skills to extend or customize.
  • Limited data sets for specific countries.

Pricing:

  • Free to use

2. Mockaroo

Mockaroo is an online tool that allows you to quickly and easily download large amounts of randomly generated test data based on your own specs. You can then load the data directly into your test environment using SQL or CSV formats. Mockaroo has both paid and free plans. The free version is limited to 1,000 rows per file.

  • Has both paid and free plans
  • Quick and easy to use
  • Can download data in various formats

Drawbacks:

  • The free version is limited to 1,000 rows per file
  • Paid plans can be expensive for some users

Pricing:

  • Free version with 1,000 rows per file limit
  • Paid plans start at $49 per month

3. DatabaseTestData.com

DatabaseTestData.com is a free simple online tool to generate test data. It allows you to use an existing data model and customize it to reproduce your table structure or create one from scratch.

  • Free and simple to use
  • Can customize the existing data model
  • Can create a new data model from scratch

Drawbacks:

  • Limited functionality compared to other tools
  • Does not have as many data types and export types as other tools

Pricing:

  • Free

4. Randat

Randat is a free online tool that allows you to generate a table with random personal information such as name, age, occupation, salary, etc. You can simply select the preferred columns, and the number of rows, and then press the “Generate” button to generate the table. The tool also allows you to export the generated table in various formats such as MS Excel (.XLS, .XLSX) or .CSV file.

  • Free to use
  • Can generate tables with various personal information
  • Can export generated table in various formats

Drawbacks:

  • Limited in terms of data types and export types
  • Can only generate tables with personal information

Pricing:

  • Free

5. Online Data Generator

Online Data Generator is a free online service meant to help developers and testers to generate test data for software applications. It allows you to generate realistic test data that includes: fake addresses or random postal addresses, books, movies, music, brand, business, colors, country, credit cards, date and time, education, gender, identification number, money numbers, person random names, random email address, programming, and internet.

  • Free to use
  • Can generate a wide range of data types
  • Can generate data for various scenarios

Drawbacks:

  • The interface can be confusing for some users
  • Limited export options

Pricing:

  • Free

6. FillDB

FillDB is a free tool that lets you quickly generate large volumes of custom data in MySql format to use in testing software and populating databases with random data. The application will try to guess the format of data required based on column names and will generate random names, dates, emails, addresses, and more to fill your MySQL database with data. Just upload your database schema and this unique online service will generate database test data in multiple relational tables with Foreign Key Support. It can generate unique values, and optional data, and populate with values from another table.

  • Free to use
  • Can generate data in MySQL format
  • Can generate data for multiple relational tables with Foreign Key Support

Drawbacks:

  • Limited export options
  • Can be difficult for non-technical users to navigate

Pricing:

  • Free

7. JSON Generator

JSON Generator is an online tool that handles the heavy lifting for generating structured JSON objects, stuffed with sequenced and/or controllable random data. JSON Generator has an easy, but powerful templating language. This tool has a convenient REST API that can fetch your data with HTTP requests.

  • Can generate structured JSON objects
  • Has a powerful templating language
  • Has a convenient REST API

Drawbacks:

  • Limited export options
  • Can be difficult for non-technical users to navigate

Pricing:

  • Free

8. DummyJSON

DummyJSON is an online tool that allows developers to generate dummy JSON data for testing. It has a simple, easy-to-use interface, and the data can be customized according to the user's needs. The data can be exported in JSON, CSV, and SQL formats.

  • Simple, easy-to-use interface
  • Data can be customized according to the user's needs
  • Data can be exported in various formats

Drawbacks:

  • Limited in terms of data types and export types
  • Can only generate JSON data

Pricing:

  • Free

Frequently Asked Questions

Test data generators are a powerful tool for software testing, but with so many options available, it can be difficult to know where to start. Whether you're a developer, tester, or data analyst, generating test data is an important part of ensuring your software is functioning properly. But with so many test data generators on the market, it can be hard to know which one is the best fit for your needs. To help you make an informed decision, we've compiled a list of frequently asked questions to help you understand the ins and outs of test data generators, and find the one that's right for you.

How do we choose the right test data generator?

The right test data generator will depend on your specific needs and requirements. Some factors to consider when choosing a test data generator include the types of data it can generate, the export options it offers, and its ease of use.

Can we customize the generated data?

Yes, most test data generators allow you to customize the data that is generated. This can include specifying certain data types, attributes, and formats.

Are there any limitations to using test data generators?

While test data generators can save a lot of time and effort, they do have some limitations. Some test data generators may be limited in terms of the types of data they can generate or the export options they offer. Additionally, using test data generators does not eliminate the need for manual testing.

Are test data generators only for developers or testers?

Test data generators are primarily used by developers and testers to generate test data for their applications, but they can also be used by other professionals such as data analysts and database administrators.

How much does it cost to use test data generators?

Many test data generators are free to use, but some may have paid plans with additional features and capabilities. It's important to check the pricing for each test data generator and choose the one that best suits your budget and needs.

Conclusion

Test data generators are essential tools for software testing as they can save you time and effort by automatically generating large amounts of test data with various attributes. The top 10 free online test data generators discussed in this article can be used to generate test data for your software applications. Each tool has its own unique features and capabilities, so it's important to consider your specific needs and requirements when choosing a test data generator. Whether you're a developer, tester, or data analyst, test data generators can help you ensure that your software is functioning properly and catch any bugs or issues before release. With a wide range of options to choose from, there's a test data generator out there that's perfect for you.