Faker

Spec sheet

Purpose

Faker is a Python package for generating fake data for database bootstrapping, XML documents, stress testing, and anonymizing production data.Read 8 Oct 2026 · faker.readthedocs.io

Security

The project repository links to a security policy for reporting security issues.Read 8 Oct 2026 · github.com

License

Faker is released under the MIT License.Read 8 Oct 2026 · faker.readthedocs.io

Command line

Faker includes a command-line interface with locale selection, repeated output, output-file redirection, and custom-provider options.Read 8 Oct 2026 · faker.readthedocs.io

Community extensions

The documentation lists community-written providers for areas including AI, air travel, biology, credit scores, ecommerce, and healthcare.Read 8 Oct 2026 · faker.readthedocs.io

Compatibility

Current Faker versions support Python 3.8 and above; Python 2 users are directed to version 3.0.1.Read 8 Oct 2026 · faker.readthedocs.io

Customization

Users can add custom providers, including dynamic providers that read elements from an external source.Read 8 Oct 2026 · faker.readthedocs.io

Data types

Built-in providers generate values such as names, addresses, and text.Read 8 Oct 2026 · faker.readthedocs.io

Integration

Factory Boy includes Faker integration through its factory.Faker method.Read 8 Oct 2026 · faker.readthedocs.io

Localization

Faker supports single and multiple locales and falls back to en_US when a localized provider is unavailable.Read 8 Oct 2026 · faker.readthedocs.io

Package distribution

The documentation instructs users to install Faker with pip.Read 8 Oct 2026 · faker.readthedocs.io

Repeatability

The generator can be seeded to reproduce output for the same methods and Faker version, though dataset updates can change results across patch versions.Read 8 Oct 2026 · faker.readthedocs.io

Testing

Faker provides a pytest plugin with a faker fixture for use in tests.Read 8 Oct 2026 · faker.readthedocs.io

Unique values

The unique property can enforce uniqueness for an instance, but may raise UniquenessException when it cannot find another value.Read 8 Oct 2026 · faker.readthedocs.io

Plans and prices

Every Faker plan and price →

Where Specifiction places it

• Test Data Generation Tools#10 of 287.7