CSV redaction app is a tool to remove personal and confidential content from CSV. Redaction process can remove sensitive information both from content of CSV and its metadata.

Please upload your CSV file, specify text phrase, then phrase for substitution, and push Redact Now button. Our app will process your file and you can download the result.

The CSV redaction app safely and completely removes sensitive content so that it is impossible to restore original content after it was processed with our tool. Our experience allowed us to redact text even in complex cases. In case your CSV contains images with text that you want to remove or hide, we provide OCR option.

This web application is built using sanitization API implemented in the GroupDocs.Redaction for .NET library and supports the following features:

How to remove sensitive data from CSV document using GroupDocs.Redaction App

How to remove sensitive data from CSV document using GroupDocs.Redaction App

  • Select redaction type from "Redact" dropdown (text, metadata).
  • Select your CSV document for redaction.
  • Enter "Text search value" and "Redaction replace value".
  • Click on "Redact Now" button to upload and redact your CSV file.
  • Once your CSV document is redacted click on "Download Now" button.
  • You may also send the download link to any email address by clicking on "Send" button.


  • ❓ How can I sanitize sensitive content from CSV files?
    First, you need to upload a file: drag & drop your CSV file or click inside the white area to choose a file, then you will have to choose type of redaction, replacement and options.
  • ⏱️ How long does it take to clean up the sensitive data from a CSV file?
    The redaction works fast - typically it takes a couple of seconds to clean up a CSV file.
  • 🛡️ Is it safe to sanitize CSV files using free GroupDocs.Redaction App?
    Of course! The redacted files will be available shortly after the file uploaded and will be deleted in 24 hours.
  • 💻 Can I open CSV and redact CSV sensitive data on Linux, Mac OS, or Android?
    Yes, you can use the free GroupDocs.Redaction on any operating system that has a web browser - our CSV redaction application works online and does not require any software installation.
  • 🌐 What browser should I use to sanitize CSV document sensitive data?
    You can use any modern browser to redact out CSV sensitive data, for example, Google Chrome, Microsoft Edge, Firefox, Opera, or Safari.
  • </> What code is running on the server-side to redact CSV data?
    Detailed code examples are available at GitHub in the form of executable projects. If you are interested in particular code for data redaction, feel free to review sanitization examples (.NET, Java).
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