South Africa ID Number Validator – 免费在线工具
South Africa ID Number Validator
Validate SA ID numbers and extract Date of Birth & Gender.
About the South Africa ID Number Validator
Validating a South African ID number is essential for HR departments, financial institutions, and online registrations. The South Africa ID Number Validator breaks down the 13-digit identity number and verifies its authenticity using the official Luhn algorithm. Not only does it mathematically validate the ID, but it also extracts hidden information embedded in the number—such as the person's exact date of birth, their gender, and their citizenship status (SA citizen vs. Permanent Resident). This free tool ensures that any inputted ID number is structurally legitimate, preventing typos and fraudulent data entry instantly.
Frequently Asked Questions
What do the 13 digits in a South African ID mean?
The first 6 digits represent the date of birth (YYMMDD), the next 4 digits indicate gender (0000-4999 for female, 5000-9999 for male), the 11th digit indicates citizenship (0 for SA Citizen, 1 for Permanent Resident), the 12th is traditionally 8, and the 13th is a mathematical checksum digit.
What is the Luhn Algorithm?
It is a simple mathematical checksum formula used to validate a variety of identification numbers, including credit cards and South African ID numbers. It calculates the final digit based on the previous 12 to protect against accidental typos.
Does this tool store the ID numbers?
No, the validation is performed entirely locally in your web browser via JavaScript. This guarantees absolute privacy and security, as the ID number is never transmitted to our servers.
如何使用 South Africa ID Number Validator 工具
使用我们的 South Africa ID Number Validator 非常简单且完全免费。我们专为日常用户设计了 开发工具，让您无需下载复杂的软件或注册账户即可快速完成任务。
- 上传文件: 将文件拖放到上方的上传区域，或点击从您的设备中选择。
- 等待处理: 我们的高速云服务器将即时处理您的文件，且不会损失任何质量。
- 下载: 点击下载按钮，将处理完成的文件直接保存到您的设备。
100% 安全
您的文件会被加密，并在 1 小时后从我们的服务器自动删除。您的隐私有保障。
闪电般快速
我们采用高性能云处理，确保您的文件在几秒内（而非几分钟）准备就绪。
支持移动设备
无需安装应用。在 iOS、Android、Mac 或 Windows 上都能流畅使用我们的工具。