.NET API to Redact Documents

Nuget

This .NET component makes it very easy to remove classified or sensitive data from documents via your own .NET apps. Multiple redaction types are supported.

Document Redaction Processing Features

Remove classified or sensitive information from the documents.
Remove document metadata and annotations.
Make a rasterized PDF version of the redacted document for better security.
Keep the document in its original format after the redaction process.
Set the redaction scope to a specific worksheet or column.
Apply multiple redactions in a single call.
Modify compliance level from PDF/A-1b to PDF/A-1a during rasterizing PDF.

Document Body & Metadata Redaction Supported Formats

Microsoft Word: DOC, DOT, DOCX, DOCM, DOTX, DOTM, RTF
Microsoft Excel: XLSX, XLSM, XLTX, XLTM, XLS, XLT, CSV
Microsoft PowerPoint: PPT, PPTX, PPSX, POT, PPS, PPTM, PPSM, POTM
Image: JPEG, TIF, TIFF, PNG, BMP, GIF
Fixed Layout: PDF

Annotations (Comments) Redaction Supported Formats

Platform Independence

GroupDocs.Redaction for .NET does not require any external software or third-party tool to be installed. GroupDocs.Redaction for .NET supports any 32-bit or 64-bit operating system where .NET or Mono framework is installed. The other details are as follows:

Microsoft Windows: Microsoft Windows Desktop (x86, x64) (XP & up), Microsoft Windows Server (x86, x64) (2000 & up), Windows Azure
Mac OS: Mac OS X
Linux: Linux (Ubuntu, OpenSUSE, CentOS and others)
Development Environments: Microsoft Visual Studio (2010 & up), Xamarin.Android, Xamarin.IOS, Xamarin.Mac, MonoDevelop 2.4 and later.
Supported Frameworks: GroupDocs.Conversion for .NET supports .NET and Mono frameworks.

Get Started

Are you ready to give GroupDocs.Redaction for .NET a try? Simply execute Install-Package GroupDocs.Redaction from Package Manager Console in Visual Studio to fetch & reference GroupDocs.Redaction assembly in your project. If you already have GroupDocs.Redaction for .Net and want to upgrade it, please execute Update-Package GroupDocs.Redaction to get the latest version.

Please check the GitHub Repository for other common usage scenarios.

Perform Exact Phrase Case Sensitive Redaction via C# Code

// For complete examples and data files, please go to https://github.com/groupdocs-redaction/GroupDocs.Redaction-for-.NET
using (Redactor redactor = new Redactor(@"sample.docx"))
{
  redactor.Apply(new ExactPhraseRedaction("John Doe", true /*isCaseSensitive*/, new ReplacementOptions("[personal]")));
  redactor.Save();
}

Use C# to Redact Specific String from Annotations

using (Redactor redactor = new Redactor(@"C:\test.pdf"))
{
   redactor.Apply(new AnnotationRedaction("(?im:john)", "[redacted]"));

   redactor.Save()
}