Privacy Masking
Detect and mask phone numbers, emails, ID numbers, bank cards and other private data
隐私信息遮掩
自动识别文本中的手机号、邮箱、身份证号、银行卡号、IP地址等敏感信息，并用指定字符遮掩，保护隐私安全。
遮掩类型（可多选）
输入文本
遮掩结果
About this tool
The privacy masking tool detects sensitive details in text and masks them so the result can be shared safely:
- Mobile numbers: 138****1234, keeping the first three and last four digits
- Email: a***@example.com, keeping the first letter and the domain
- ID numbers: 110***********1234, keeping the first three and last four characters
- Bank cards: **** **** **** 1234, keeping the last four digits
- IP addresses: 192.168.*.*, keeping the first two octets
- Mask character: use *, # or a character of your own
When to use it
- Masking details before sharing a screenshot
- Redacting logs
- Protecting user privacy in demos and reports
- Preparing test data
Masking rules
- Mobile numbers: 11 digits, first three and last four kept, middle four masked
- ID numbers: 18 characters, first three and last four kept, middle eleven masked
- Bank cards: only the last four digits remain
- Email: the first character before the at sign and the full domain remain