Social Insurance Validator
Verify Canadian Social Insurance Numbers (SIN) instantly or generate valid examples for software testing and verification.
Validator
Format Verification
Generator
Valid Examples
About Canadian Social Insurance Number (SIN)
A Social Insurance Number (SIN) is a nine-digit number that you need to work in Canada or to have access to government programs and benefits. It is a critical piece of identity for anyone living or working in Canada.
- Required for employment and income tax
- Used for Canada Pension Plan (CPP)
- Necessary for Employment Insurance (EI)
Regional Identification
The first digit of a SIN usually identifies the province or territory where it was issued:
Security & Privacy
Never Share Your SIN
Your SIN is private. You should only provide it when it is legally required, such as for employment, tax, or government services. Be wary of phishing scams.
How Validation Works
Canadian SINs use the Luhn Algorithm (Mod 10). This mathematical formula verifies the structure and checksum of the number to ensure it's formatted correctly.
Frequently Asked Questions
Can this tool verify identity?
No. This tool only validates the mathematical format and checksum of a SIN. It cannot confirm if the number belongs to a specific person.
Is my data safe?
Yes. All calculations are performed locally in your browser using JavaScript. No SIN data is ever sent to our servers.
What is a 9-prefix SIN?
SINs starting with '9' are issued to temporary residents who are not Canadian citizens or permanent residents (e.g., international students or foreign workers).
Is this tool free?
Yes, all identity and validation tools on Getnewidentity.com are completely free for personal and professional testing use.