Overview
Data Masking hides sensitive data while preserving text usability. It supports phone, ID card, email, bank card, name, and fully custom masking rules.
Core Features
- Auto-detects common sensitive data patterns.
- Custom prefix/suffix keep length and mask character.
- Processes multi-line text and HTML snippets line by line.
- Copy-ready output for logs, docs, and shared content.
Supported Types
- Phone: keep first 3 and last 4 by default.
- ID card: keep first 6 and last 4.
- Email: keep first 3 chars of username.
- Bank card: keep first 6 and last 4.
- Name: keep first character.
- Custom: use your own masking rule.
Use Cases
- Replace real sensitive data in dev/test environments.
- Hide private fields during log troubleshooting.
- Mask data in reports and externally shared documents.
- Protect customer info in service/operations displays.
FAQ
Is data uploaded to a server?
No. All masking runs locally in your browser.
Does it support batch masking?
Yes. Multi-line content is processed line by line.
How does auto detect work?
It matches common data patterns and applies the corresponding rule, then falls back to the default custom rule when unmatched.