How to use
- Open the tool and pick an output format for the NINO if available.
- Click generate to create a fictional NINO that follows validation rules.
- Copy the result into forms, demos, or automated test suites.
What it's for
Use this NINO generator for software testing in United Kingdom: QA, form masks, and staging data without real third-party identities.
About NINO
UK National Insurance numbers follow a known prefix/suffix pattern. Generated NINOs are for HR and benefits form testing in the UK.
Also useful
Need to validate? Try the NINO validator.
FAQ
- Is this a real National Insurance number?
- No. Pattern-compliant test data only — not issued by HMRC.
- Does data leave my browser?
- No. Everything runs locally on your device.