Anonymize CSV Data
Anonymize a CSV before sharing it: hide names, emails, phones and card numbers with the method you choose. Free, in your browser.
How to use the Anonymize CSV Data
Hide sensitive values before sharing data.
- Load your data
- Check the suggested methods
- Preview and download
Tips
- Personal data (email, phone, names…) is detected automatically.
- Consistent masking gives the same result for the same input.
- Add a salt to make hashed values harder to guess.
Example
Input: Ada Lovelace, ada@example.com
Output: Chen Clark, a***@example.com
Frequently asked questions
How do I anonymize a CSV?
Upload the file, check the detected personal columns, pick a method and download the safe copy.
Is anonymized data fully anonymous?
Not always. Combined details can still identify people, so review the result before sharing.
Is masking the same as anonymizing?
Not always. Combined details can still identify people, so review before sharing.
Can a hash be reversed?
Not directly, but easy-to-guess values can be matched. Use a salt.
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