Redact PDFs in C# .NET

Permanently redact and remove sensitive information from PDFs using C#. Search and redact specific fields like emails, names, phone numbers, and addresses. Integrate smart PDF redaction to automatically identify and redact key values in documents.

PSPDFKit SDKs are deployed in some of the world’s most popular applications, such as those made by Autodesk, Disney, DocuSign, Dropbox, IBM, and Lufthansa.

Key Capabilities

  • True redaction — Permanently remove content (not just obscure it)

  • AI-based smart redaction — Based on its advanced artificial intelligence (AI) and document understanding engine, GdPicture.NET Library recognizes sensitive information in a document and marks it for redaction. After you validate these marks, GdPicture.NET Library removes them from the document.

  • Batch processing — Process a large number of documents without user intervention.

  • Redact any file — Redact any file format with raster or vector content.

  • Fast processing — Most documents are redacted within a second.

  • Export redacted documents — Export a document with sensitive information marked for redaction. Optionally, export the redacted document in PDF format.

Guides for Redaction

Smart Redaction
Recognize and remove sensitive information using advanced AI

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