What PII types are detected?

Names, email addresses, phone numbers, credit card numbers, SSNs, and common identifiers.

Is detection 100% accurate?

Precision is high but not perfect — always review detections and select the appropriate scan types.

No. Everything runs locally in your browser using secure on-device processing.

Yes — sensitive text is physically replaced with a redaction label in the output file.

We support processing large files up to 5GB using local disk streaming.

Automatically detect and redact PII in datasets: names, emails, phone numbers, addresses. Securely process CSV and TXT files locally.

Your files never leave your device. Processed locally. 100% private.

Unlocking Tool Engine...

Complete your task perfectly in just three straightforward steps.

Drop your CSV or TXT file.

Select the types of PII you want to redact from the data columns.

Download the scrubbed file with PII permanently replaced with [REDACTED].

Everything you need to know about the Dataset PII Redactor.

Continue working with our suite of free data utilities.

Mask or replace PII in CSV files. Replace names, emails, and phone numbers with anonymised values. The safest way to process

Extract data from CSV columns using regular expressions. Capture groups to new columns. Processed entirely in your browser fo

Remove duplicates, fix nulls, trim whitespace, and standardize formats in one pass. Fast, private, and secure browser-based t