LogoHow To CSV

Anonymizer

Upload a dataset to begin

Supported formats: .csv,.xlsx,.xls,.xlsm,.xlsb,.tsv

Free users: Up to 1MB per file.
Sign in to upload files up to 10MB.
Upgrade for even larger files.

AboutAnonymizer

Protect privacy by masking PII (names, emails) in your CSV.Category: Security & Privacy
Removing personal info before sharingGDPR complianceMasking emails for testing
The Anonymizer tool is compatible with:Sensitive ExportsUser DataHR Records.Anonymize a column with CSV_ANONYMIZER, then run it through CLEANING to fix formatting introduced by masking, or FILL_MISSING to patch gaps left by irreversible hashing, before handing the file to a QA team or offshore contractor.
Protect sensitive information in your CSV files with our Anonymizer tool. This tool scans specified columns for personally identifiable information (PII) such as names, email addresses, phone numbers, and more, replacing them with randomized or hashed values. Whether you need to share data for analysis, reporting, or collaboration, the Anonymizer ensures that individual identities remain confidential while preserving the overall data structure.

Frequently Asked Questions:

How does the Anonymizer tool protect my data?

It replaces personally identifiable information (PII) in specified columns with randomized or hashed values, ensuring privacy while maintaining data structure.

Can I customize which columns to anonymize?

Yes, you can select specific columns that contain sensitive information to be anonymized.

Is the anonymization reversible?

No, the process is designed to be irreversible to protect privacy.


Built for teams who need to share realistic-looking data with contractors, QA engineers, or analytics vendors without exposing a single real name or email address.