Form Flattener Plugin for Aspose.PDF

The Aspose.PDF Form Flattener Plugin for .NET lets you transform interactive PDF forms (AcroForms) into static, non-editable documents—helping you protect data integrity and comply with legal or archival requirements.

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How to Flatten Interactive PDF Forms to Static Content in .NET How to Flatten Selective Fields in PDFs with .NET

Aspose.PDF Form Flattener Plugin Key Features

  1. Flatten All Form Fields Instantly convert all interactive fields to static content, ensuring that no further edits are possible.

  2. Selective Field Flattening Choose to flatten only specific fields while keeping others interactive, for scenarios where partial editability is required.

  3. Secure and Archive Documents Lock down sensitive documents for archiving or legal submission, guaranteeing the content cannot be changed after flattening.

Getting Started with Aspose.PDF Form Flattener Plugin

  1. Install Aspose.PDF for .NET Add Aspose.PDF to your .NET project via NuGet or by referencing assemblies.

  2. Configure Your License Set up your Aspose license to remove watermarks and unlock advanced features.

  3. Choose Flattening Options Use FormFlattener, FormFlattenAllFieldsOptions, or FormFlattenSelectedFieldsOptions to specify what to flatten.

  4. Run and Save Call the process method to flatten fields and save your secured document.

Example: Flatten All PDF Form Fields in C# 

using Aspose.Pdf.Plugins;

// Input/output file paths
var inputPath = @"C:\Samples\form-interactive.pdf";
var outputPath = @"C:\Samples\form-static.pdf";

// Create flattening options
var options = new FormFlattenAllFieldsOptions();
options.AddInput(new FileDataSource(inputPath));
options.AddOutput(new FileDataSource(outputPath));

// Create the FormFlattener plugin
using var flattener = new FormFlattener();

// Flatten all fields
var resultContainer = flattener.Process(options);
Console.WriteLine("PDF form flattened and saved to: " + outputPath);

Best Practices

  • Always keep a backup of your interactive PDFs before flattening.
  • Use selective flattening to control editability where needed.
  • Ensure compliance by validating flattened documents before archiving or sharing.

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