Input
13812345678
Masked
138****5678
Developer Tools
Detect and mask phones, national IDs, bank cards, emails, IPs, and Chinese names in plain text locally—ideal before sharing logs or documents.
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开发工具
Input
13812345678
Masked
138****5678
Phone, ID card, bank card, email, IP, and common Chinese name patterns.
Yes—default is * but you can pick another character on the page.
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Extract mainland China mobile numbers from lists or logs, including common separators. Normalize, dedupe, and export as newlines or commas for contact cleanup.
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Batch-extract email addresses from lists, pages, or logs. Deduplicate, lowercase, and export as newlines, commas, or semicolons for contact cleanup.