Test Data Python Packages

faker

Faker is a Python package that generates fake data for you.

fake-factory

Faker is a Python package that generates fake data for you.

faker-e164

Faker provider to generate E164 Phone Numbers

phone-gen

International phone number generation

mdgen

Python library to generate random markdown text

faker-file

Create files with fake data. In many formats. With no efforts.

tablefaker

tablefaker is a versatile Python package that enables effortless generation of realistic yet synthetic table data and save in CSV, Parquet, Delta Lake, Excel, Sql formats for various applications.

fabulist

Generate random strings that make sense.

faker-food

Food related provider for the Python Faker library

plotsim

Plotsim generates multi-table synthetic datasets with behavioral trajectories, correlations, and causal lags. Config-driven, deterministic, no real data required.

card-generator

Python library to generate and validate credit card numbers. Features a fast, offline BIN lookup using a local database. Zero dependencies, no API keys needed. Perfect for generating test data.

mostlyai-mock

Synthetic Mock Data

forgery

Rust-powered fake data generator for Python.

fild

[DEPRECATED] Use surety instead. Library to describe contracts and generate data

fixtureforge

Agentic Test Data Harness: memory, multi-agent swarms, permission gates, coverage analysis. Provider-agnostic (Gemini, OpenAI, Anthropic, Ollama).

datafactory

datafactory makes flexible data.

pytest-datadir-mgr

Pathlib-based downloads of data files, caching of generated files, and a context for temp directories

testdatatable

A shared data table store for use by testing applications

fauxdata-cli

CLI to generate and validate realistic fake datasets from YAML schemas — locale-aware, pipeline-friendly, powered by pointblank

exhibit

Command line tool to generate anonymised demonstrator data

bg-test-data

Comprehensive Bulgarian test data generator with valid checksums (EGN, EIK, IBAN, names, addresses)

unmatcher

Regular expressions reverser for Python

idsmith

Validate and generate checksum-correct IBANs, personal IDs, bank accounts, credit cards, SWIFT/BIC etc

openfaker

Generate fake data with OpenAI's GPT-3 API.