This precise article discusses how to redact a PDF in C#. It contains the IDE configuration information, and the algorithm as simple steps, followed by a code snippet to redact text in PDF using C#. Moreover, you can also redact any image, table, or any piece of information to censor it as per your requirements.

Steps to Redact a PDF in C#

1. Prepare the IDE by installing Aspose.PDF for .NET to redact a PDF
2. Load the input PDF for redacting information
3. Create a RedactionAnnotation class instance for a specific page area
4. Append the annotation to the collection of annotations
5. Redact the PDF and save the output file

These steps elaborate the process to redact information in PDF using C#. The redaction is initiated by loading the source PDF document for redaction. Next, the annotation is created and appended to the page’s annotation collection before saving the output file.

Code to Redact PDF File using C#

This code snippet demonstrates how to redact PDF document using C#. It loads the source PDF file and then specifies the page number along with the rectangular coordinates on the page. Next, different characteristics of the annotation are set and the PDF is redacted to black out text before creating the output file.

This article has explained how to redact a document in C#. If you want to add comments to a PDF then please read the article on how to add comments to a PDF using C#.