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CSV Anonymizer

Mask explicitly selected CSV columns locally before sharing a file.

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CSV Anonymizer

This is a bounded check. Review the result and its stated coverage before using it.
Max rows: 10,000

Your result

Choose your settings, then run the tool to see the result.

How to use this tool

  1. Choose the input and settings below. Example values can be replaced.
  2. Mask explicitly selected CSV columns locally before sharing a file.
  3. Save or export the result, then follow the relevant next step.

Scope & privacy

Your files and pasted content are processed in this browser. No AI request or automatic publishing.

This is a bounded check. Review the result and its stated coverage before using it.

Only the columns you select are masked. Other columns can still identify people; this is not a guarantee of anonymous data. Review the exported CSV.

2 MB · 10,000 rows · explicit columns · no guarantee of full de-identification

What should I check before using the result?

Are my inputs uploaded?

Your files and pasted content are processed in this browser. No AI request or automatic publishing.

Scope & privacy

Mask explicitly selected CSV columns locally before sharing a file. This is a bounded check. Review the result and its stated coverage before using it.

Put the result to work

Continue in your connected workspace to save, manage and use the result.