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Data & Spreadsheets

Data PII Detector.

Find likely emails, phones, IDs, IPs and a configurable literal pattern while reporting only masked classes and counts. Data stays in this browser. Find likely emails, phones, IDs, IPs and a configurable literal pattern while reporting only masked classes and counts.

Use Data PII Detector

Private in this browser. Bytes, schema, values and outputs stay in this browser.

No file selected.
Tool options

Options appear after the file is inspected locally.

Preparing the local tool…

How it works

  1. 01

    Choose local data and review the options.

  2. 02

    Run the bounded operation in a worker.

  3. 03

    Download only the independently verified result.

Frequently asked questions

Is data uploaded?

No. The operation runs locally.

Does Data PII Detector upload my data?

Data PII Detector runs locally in your browser. Bytes, schema, values and outputs stay in this browser.

What output does Data PII Detector create?

Data PII Detector creates Json output after the result passes its local verification checks.

Large CSV ViewerStream, search and page through a CSV locally while keeping every value as text, then independently rescan the source before downloading a bounded JSON report.Data AnonymizerMask, hash, tokenize, generalize or synthesize selected CSV columns locally, then independently reparse and verify every transformed cell before download.CSV CleanerReview detected delimiter and UTF-8/UTF-16 encoding, then repair whitespace, blank rows, quoting and newlines to normalized UTF-8 CSV.
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