Faker is a Ruby library that generates fake data such as names, addresses, phone numbers, and more for testing and seeding databases.
Best Chance.js Alternatives ranked by AI · updated May 2025
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Chance.js is a JavaScript library that helps generate random data, providing a wide range of data types and customization options.
Price: Free
Top 6 Chance.js alternatives
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Data Populator
Data Populator
Data Populator generates realistic test data and inserts it into databases or application environments. It is aimed at developers and QA teams...
Pros
- Focuses on both data generation and database population rather than generation alone
- Useful for developers and QA teams testing populated application environments
- Reduces manual fixture creation for repeatable test scenarios
Cons
- Less established ecosystem than Mockaroo or Faker
- Fewer public integrations and examples than mature database data generators
- Pricing and platform coverage are not clearly documented
Stubborn Generator is a powerful tool for generating random and unique data sets for testing and development purposes.
Roundom is a software tool that helps users generate random data for testing and other purposes.
FreeFormatter Credit Card Generator is a browser-based tool for creating syntactically valid, typically Luhn-compliant credit card numbers for software testing. It is...
Pros
- Works immediately in a browser without account creation
- Supports common card-brand formats and Luhn validation
- Useful for quick form and validation testing
Cons
- Generated numbers cannot authorize real transactions
- Offers less payment-workflow coverage than provider sandboxes
- Limited automation and API capabilities
Prepostseo Credit Card Generator creates sample card numbers for software testing and form validation. It is aimed at developers, QA testers, and...
Pros
- Generates sample card details quickly without account registration
- Useful for basic form and client-side validation tests
- Supports several common card-network formats
Cons
- Not connected to a payment processor sandbox
- Generated values should not be used for real transactions
- Fewer developer controls than API-based test-data tools
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