TaiwanNational Identification Card
Also known as: National ID Number · 國民身分證統一編號 · 身分證字號
Specification
Format
X#########
- # — any digit
- X — any letter
- Length
- 10 characters
- Checksum
- Yes
Check digits are recomputed and verified.
- Embedded data
- Yes
A valid number encodes details such as birth date, gender, or region. The validator extracts them locally in your browser.
Sample test value
C130536598This value was randomly generated to satisfy the format and check-digit rules. It is not a real ID and does not belong to any person.
Ready to check a number?
Validate a Taiwan National Identification Card now — it runs in your browser and the number never leaves your device.
Try it in the validatorValidation rules for Taiwan come from the open-source idnumbers library. Report a format issue on GitHub