GroupDocs.Redaction is an on-premise document redaction API that removes or masks private content across PDFs, Office files, images, and emails while keeping formats intact. Automate compliance-safe sharing by redacting text, pictures, comments, annotations, and hidden metadata with granular rules and rasterized outputs.

• Stay current with GroupDocs.Redaction release notes for fixes, performance updates, and platform compatibility improvements.

High-performance on-premise redaction library for PDFs, Office documents, images, and emails with text, image, annotation, and metadata scrubbing.

• GroupDocs.Redaction-for-.NET: Core API for redaction rules, worksheet/column targeting, rasterized PDF output, and metadata cleanup.
  Repo & examples: https://github.com/groupdocs-redaction/GroupDocs.Redaction-for-.NET/tree/master/Examples
• Demos & Plugins: Visual Studio add-in and sample projects for quick evaluation.
  Repo: https://github.com/groupdocs-redaction/GroupDocs.Redaction-for-.NET/tree/master/Demos

// Case-sensitive phrase redaction in DOCX
using (Redactor redactor = new Redactor(@"sample.docx"))
{
  redactor.Apply(new ExactPhraseRedaction("John Doe", true, new ReplacementOptions("[personal]")));
  redactor.Apply(new AnnotationRedaction("(?im:john)", "[redacted]"));
  redactor.Save();
}

Use the Java engine from Node.js to redact PDF/Office/Images with regex and area rules.

• GroupDocs.Redaction-for-Node.js-via-Java: NPM package and sample project for Node.js workflows.
  Repo: https://github.com/groupdocs-redaction/GroupDocs.Redaction-for-Node.js-via-Java

// Redact a phrase and an annotation string in PDF (Node.js via Java)
const {
  Redactor,
  ExactPhraseRedaction,
  AnnotationRedaction,
  ReplacementOptions
} = require('groupdocs-redaction');

const redactor = new Redactor('sample.pdf');
redactor.apply(new ExactPhraseRedaction('John Doe', true, new ReplacementOptions('[personal]')));
redactor.apply(new AnnotationRedaction('(?im:john)', '[redacted]'));
redactor.save();

Call the .NET engine from Python to automate redaction pipelines on Windows/Linux.

• GroupDocs.Redaction-for-Python-via-.NET: PyPI package with usage samples and CLI guides.
  Repo: https://github.com/groupdocs-redaction/GroupDocs.Redaction-for-Python-via-.NET

# Redact a phrase and annotation text in DOCX (Python via .NET)
from groupdocs.redaction import Redactor, ExactPhraseRedaction, AnnotationRedaction, ReplacementOptions

with Redactor("sample.docx") as redactor:
    redactor.apply(ExactPhraseRedaction("John Doe", True, ReplacementOptions("[personal]")))
    redactor.apply(AnnotationRedaction("(?im:john)", "[redacted]"))
    redactor.save()

• PII/PHI removal for compliance-ready document sharing (GDPR, HIPAA, SOC2).
• Legal document production with targeted phrase and annotation cleanup.
• Financial statements and invoices with selective cell/column redaction.
• Email and PDF repository sanitization with metadata removal and audit logs.
• Government forms and permit packages requiring consistent redaction rules.

• 30+ formats: PDF, DOCX/DOTX, XLSX, PPTX, TIFF/PNG/JPG, MSG/EML, TXT/RTF, and more.
• Redaction types: text (case-sensitive/regex), image area overlay, annotation cleanup, metadata removal/replacement.
• Worksheet/column targeting for spreadsheets; preserve original format or export rasterized PDF for irreversible protection.
• Compliance-ready output: switch PDF/A compliance levels when saving as rasterized PDF.
• Cross-platform: build on Windows/Linux/macOS with .NET Framework 4.6.2+, .NET Core 3.1+, or .NET 6+.
• Performance-focused: batch rules, reusable configurations, and consistent results across repositories.

• Install via NuGet: Install-Package GroupDocs.Redaction or dotnet add package GroupDocs.Redaction
• Clone samples: git clone https://github.com/groupdocs-redaction/GroupDocs.Redaction-for-.NET.git
• Open Examples/GroupDocs.Redaction.Examples.CSharp.sln in Visual Studio or run from CLI.
• Set license in Constants.cs or request a temporary license for full evaluation.
• Run examples and inspect outputs under Examples/GroupDocs.Redaction.Examples.CSharp.Core/bin/Output.

• Documentation and tutorials: https://docs.groupdocs.com/redaction/
• Free support forum: https://forum.groupdocs.com/c/redaction
• Temporary license: https://purchase.groupdocs.com/temporary-license

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