Test data guides

Safe, realistic fake data.

Why use fake test data
Reserved domains for test e-mail addresses
CSV, JSON and SQL test files

Where to start

Read why to use fake data first, then the page on reserved domains for e-mail addresses, and then the page on file formats before you load generated files into a spreadsheet or a database.

This is an independent guide. It is not connected with the IETF, OWASP or any company named here. Facts were read on 14 November 2026 from the pages named on each page. All people, e-mail addresses and amounts made by the generator are invented.