Most sign-up forms ask for far more than the service needs, and every field you hand over is data that can leak in a breach or get sold. For low-stakes forms that gate content behind a profile but never ship anything to you, a fictional identity is a recognized privacy practice.
This is privacy, not deception of anyone who has a legitimate need for your data. Never use fictional details where accuracy is legally required, where you expect delivery, or to impersonate a real person — that crosses into fraud. Used responsibly, a fake identity simply minimizes the personal data you expose.
How the generator helps with online privacy: Fictional name, email and address for low-stakes sign-ups; Reduce the personal data that ends up in breaches and broker databases; Pair with a password manager and VPN for stronger privacy; Clearly fictional — never a real stranger's details.