Protect your documents in any .NET app using GroupDocs.Redaction for .NET. Redact sensitive text quickly and accurately.
// How to redact text in a PDF file
// Load your file using the Redactor constructor
using (Redactor redactor = new Redactor("input.pdf"))
{
// Set your redaction preferences
// Choose what to search and what to replace it with
var repl_opt = new ReplacementOptions("[redacted]");
var redaction = new ExactPhraseRedaction("Text to hide", repl_opt);
// Apply redactions and save the new PDF file
redactor.Apply(redaction);
redactor.Save();
}
GroupDocs.Redaction for .NET helps remove or hide sensitive content in multiple file formats. Keep documents clean and safe to share.
Find and replace matching text anywhere in your file. Supports regex and smart search options.
Cover images or specific areas with overlays. Adjust page settings, colors, and more.
Remove hidden data like authorship, timestamps, or comments to protect privacy.
// Open the document you want to clean
using (Redactor redactor = new Redactor("source.pdf"))
{
// Define an EMAIL regex pattern and the text to use as replacement
var repl_opt = new ReplacementOptions("[redacted]");
string emailRegex = @"[a-zA-Z0-9._%+-]+@[a-zA-Z0-9.-]+\.[a-zA-Z]{2,}";
var redaction = new RegexRedaction(emailRegex, repl_opt);
// Apply redaction rules
redactor.Apply(redaction);
// Save the final redacted file
var save_opt = new SaveOptions() { AddSuffix = true, RasterizeToPDF = false };
var outputPath = redactor.Save(save_opt);
}
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Explore documentation, code samples, and community support to enhance your experience.
Protect official and personal data by redacting text in PDF files with .NET tools. Keep documents secure and private.
