SSN / national ID scrubber
National identification numbers are among the most sensitive identifiers a person has, and they slip into support tickets, forms, and notes all the time. This scrubber detects national ID formats across 15+ countries and replaces them with clearly labelled tokens — locally in your browser — before you share the text with an AI tool.
How it works
Paste your text and the tool runs format patterns for US SSNs, UK NINOs, Indian
Aadhaar, Spanish NIF/DNI, Canadian SIN, French NIR, South African ID, Brazilian
CPF, Australian TFN, Italian Codice Fiscale, and a generic catch-all for several
other numeric national IDs. Each match becomes a country-labelled token such as
[US-SSN] or [AADHAAR], with a count per format. Because many formats overlap,
the country label is a best guess — the important part is that the number is
masked. Nothing leaves your browser.
Tips and notes
- Labels are best-effort. Overlapping numeric formats mean a token’s country may be approximate; the masking itself is what protects the data.
- Over-masking is intentional. The tool errs toward catching too much rather than too little — review the output so you don’t lose a value you needed.
- Local only. Everything runs in your browser, so the original IDs never leave your machine.
- Mask the context too. Removing the number isn’t full anonymization if the surrounding text still points to one person.