Mask common identifiers before sharing a message, support log, or document. Detects likely email addresses, phone numbers, IPv4 addresses and Luhn-valid payment-card numbers; add exact phrases of your own. Nothing is uploaded or saved by this card.
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Review before sharing. Pattern matching is a convenience, not a privacy guarantee: it can miss names, IDs, context, or unusual formats, and phone-like patterns may catch unrelated numbers. Read the entire output yourself; do not rely on this tool to protect secrets.