Select the PII types to redact, then upload your document. No account required.
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Under HIPAA, dates more granular than year (treatment dates, admission dates, dates of birth) are part of the "Safe Harbor" list of 18 identifiers that must be removed for de-identification. Under GDPR, dates combined with other context can re-identify individuals.
Date redaction is essential for healthcare de-identification, witness protection in legal filings, and anonymized research data.
Our detector handles numeric formats (DD.MM.YYYY, MM/DD/YYYY, YYYY-MM-DD), abbreviated formats (12-Mar-26), written-out formats ("12 March 2026", "March 12th, 2026"), and locale variants. Mixed-language documents are handled via automatic language detection.
Medical records, court filings, contracts — batch supported.
Combine with Person, Address, Organization for a full PII sweep.
Decide which dates to keep visible (e.g., contract year) vs. redact (e.g., DOB).
Dates are permanently masked in the rasterized output.
HIPAA Safe Harbor requires removal of all elements of dates (except year) for individuals 89 or younger. Our date detector covers Safe Harbor identifiers #3, #4, #5, #6 (admission, discharge, treatment, birth dates).
Yes — use Studio review to remove masks from dates you want to keep, or add specific date strings to "Excluded Terms".
Relative references are not auto-detected. If you need them masked, add them to "Always Redact" terms.
Month + year combinations are detected. Year-only references are typically left in (not granular enough to identify).