v25.11

New plugin PDF Converter

  • Class PdfConverter: contains all functions of plugins: DocConverter, XlsConverter, HtmlConverter, JpegConverter, PdfAConverter, PngConverter, TiffConverter.
  • Class DocConverter: will be deleted soon, use PdfConverter.
  • Class XlsConverter: will be deleted soon, use PdfConverter.
  • Class HtmlConverter: will be deleted soon, use PdfConverter.
  • Class JpegConverter: will be deleted soon, use PdfConverter.
  • Class PdfAConverter: will be deleted soon, use PdfConverter.
  • Class PngConverter: will be deleted soon, use PdfConverter.
  • Class TiffConverter: will be deleted soon, use PdfConverter.
  • Class PdfAConvertOptions: renamed to Class PdfToPdfAOptions.
  • See The New Plugin Architecture.

Example Usage:

The example demonstrates how to convert PDF document to Doc format.

// Create PdfToDocOptions object to set instructions
var options = new PdfToDocOptions();
// Add input file path
options.AddInput(new FileDataSource("path_to_your_pdf_file.pdf"));
// Set output file path
options.AddOutput(new FileDataSource("path_to_result_file.doc"));
// Perform the process
PdfConverter.Convert(options);

Example Usage:

The example demonstrates how to convert PDF to XLSX document.

// Create PdfToXlsOptions object to set instructions
var options = new PdfToXlsOptions();
// Add input file path
options.AddInput(new FileDataSource("path_to_your_pdf_file.pdf"));
// Set output file path
options.AddOutput(new FileDataSource("path_to_result_xlsx_file.xlsx"));
// Perform the process
PdfConverter.Convert(options);

Example Usage:

The example demonstrates how to convert PDF to HTML document.

// Create PdfToHtmlOptions object to set output data type as file with embedded resources
var options = new PdfToHtmlOptions(PdfToHtmlOptions.SaveDataType.FileWithEmbeddedResources);
// Add input file path
options.AddInput(new FileDataSource("path_to_input.pdf"));
// Set output file path
options.AddOutput(new FileDataSource("path_to_output.html"));
//Perform the process
PdfConverter.Convert(options);

Example Usage:

The example demonstrates how to convert HTML to PDF document.

// Create HtmlToPdfOptions
var options = new HtmlToPdfOptions();
// Add input file path
options.AddInput(new FileDataSource("path_to_input.html"));
// Set output file path
options.AddOutput(new FileDataSource("path_to_output.pdf"));
//Perform the process
PdfConverter.Convert(options);

Example Usage:

The example demonstrates how to convert PDF document into JPEG format.

// Create PdfToJpegOptions object to set instructions
var options = new PdfToJpegOptions();
// Add input File path
options.AddInput(new FileDataSource("path_to_input.pdf"));
// Set output Directory path
options.AddOutput(new DirectoryDataSource("path_to_output_directory"));
// Perform the process
PdfConverter.Convert(options);

Example Usage:

The example demonstrates how to convert PDF document into PNG format.

// Create PdfToPngOptions object to set instructions
var options = new PdfToPngOptions();
// Add input File path
options.AddInput(new FileDataSource("path_to_input.pdf"));
// Set output Directory path
options.AddOutput(new DirectoryDataSource("path_to_output_directory"));
// Perform the process
PdfConverter.Convert(options);

Example Usage:

The example demonstrates how to convert PDF document into TIFF format.

// Create PdfToTiffOptions object to set instructions
var options = new PdfToTiffOptions();
// Add input file path
options.AddInput(new FileDataSource("path_to_your_pdf_file.pdf"));
// Set output Directory path
options.AddOutput(new DirectoryDataSource("path_to_output_directory"));
// Perform the process
PdfConverter.Convert(options);

Example Usage:

The example demonstrates how to convert the PDF document in a PDF/A format (PDF/A-3b in this case):

// Create the options class to set up the conversion process
var options = new PdfToPdfAOptions
{
    PdfAVersion = PdfAStandardVersion.PDF_A_3B
};

// Add the source file
options.AddInput(new FileDataSource("path_to_your_pdf_file.pdf")); // replace with your actual file path

// Add the path to save the converted file
options.AddOutput(new FileDataSource("path_to_the_converted_file.pdf"));

// Run the conversion
PdfConverter.Convert(options);

Example Usage:

The example demonstrates how to validate the PDF document conformance to PDF/A format (PDF/A-1a in this case):

// Create the options class to set up the validation process
var options = new PdfAValidateOptions
{
    PdfAVersion = PdfAStandardVersion.PDF_A_1A
};

// Add one or more files to be validated
options.AddInput(new FileDataSource("path_to_your_first_pdf_file.pdf")); // replace with your actual file path
options.AddInput(new FileDataSource("path_to_your_second_pdf_file.pdf"));
// add more files as needed

// Run the validation and get results
var resultContainer = PdfConverter.Validate(options);

// Check the resultContainer.ResultCollection property for validation results for each file:
for (var i = 0; i < resultContainer.ResultCollection.Count; i++)
{
    var result = resultContainer.ResultCollection[i];
    var validationResult = (PdfAValidationResult) result.Data;
    var isValid = validationResult.IsValid; // Validation result for the i-th document
}

New plugin PDF Security

  • Class PdfSecurity: contains all functions of plugins: Security, Signature, Timestamp.
  • Class Security: will be deleted soon, use PdfSecurity.
  • Class Signature: will be deleted soon, use PdfSecurity.
  • Class Timestamp: will be deleted soon, use PdfSecurity.
  • Class DecryptionOptions: renamed to Class DecryptOptions.
  • Class EncryptionOptions: renamed to Class EncryptOptions.
  • Class SignOptions: now have properties for Class Timestamp.
  • See The New Plugin Architecture.

Example Usage:

The example demonstrates how to Encrypt PDF document.

// Create EncryptOptions object to set instructions
var options = new EncryptOptions("123456", "qwerty");
// Add input file path
options.AddInput(new FileDataSource("path_to_your_pdf_file.pdf"));
// Set output file path
options.AddOutput(new FileDataSource("path_to_result_pdf_file.pdf"));
// Perform the process
PdfSecurity.Encrypt(options);

Example Usage:

The example demonstrates how to Decrypt PDF document.

// Create DecryptOptions object to set instructions
var options = new DecryptOptions("123456");
// Add input file path
options.AddInput(new FileDataSource("path_to_your_pdf_file.pdf"));
// Set output file path
options.AddOutput(new FileDataSource("path_to_result_pdf_file.pdf"));
// Perform the process
PdfSecurity.Decrypt(options);

Example Usage:

The example demonstrates how to Sign PDF document.

// Create SignOptions object to set instructions
var options = new SignOptions("path_to_your_pfx_file.pfx", "password_of_your_pfx_file");
// Add input file path
options.AddInput(new FileDataSource("path_to_your_pdf_file.pdf"));
// Set output file path
options.AddOutput(new FileDataSource("path_to_result_pdf_file.pdf"));
// Perform the process
PdfSecurity.Sign(options);

Example Usage:

The example demonstrates how Sign PDF document with Timestamp.

// Create SignOptions object to set instructions
var options = new SignOptions("path_to_your_pfx_file.pfx", "password_for_your_pfx_file");
options.TimestampOptions = new TimestampOptions("server_url");
// Add input file path
options.AddInput(new FileDataSource("path_to_your_pdf_file.pdf"));
// Set output file path
options.AddOutput(new FileDataSource("path_to_result_pdf_file.pdf"));
// Perform the process
PdfSecurity.Sign(options);

Plugin PdfChatGpt integrated to PdfManager

  • Class PdfChatGpt: will be deleted soon, use PdfManager.
  • Class PdfChatGptRequestOptions: renamed to **Class ChatGptRequestOptions **.

New options available for work with ChatGpt

  • Class ChatCompletion: allow checking results of request.
  • Class Choice: allow checking results of request.
  • Class Usage: allow checking results of request.
  • Class ChatGptConsts: allow using extra settings like ModelName, API URL and other.

Example Usage:

The example demonstrates how to use ChatGpt by adding messages to the request.

var options = new ChatGptRequestOptions();
// Set output file path
options.AddOutput(new FileDataSource("path_to_result_pdf_file.pdf")); 
options.ApiKey = "Your API key."; // You need to provide the key to access the API.
options.MaxTokens = 1000; // The maximum number of tokens to generate in the chat completion.

// Add the request messages.
options.Messages.Add(new Message
{
    Content = "You are a helpful assistant.",
    Role = Role.System
});
options.Messages.Add(new Message
{
    Content = "What is the biggest pizza diameter ever made?",
    Role = Role.User
});

// Process the request.
var result = await PdfManager.CreatePdfByChatGptRequestAsync(options);

var fileResultPath = result.ResultCollection[0].Data;
var chatCompletionObject = result.ResultCollection[1].Data as ChatCompletion; // The ChatGPT API chat completion object.

Enhancements

  • PDF to Image - Improve conversion performance
  • PDF to TIFF - Improve Conversion speed
  • PDF to Doc - Improve performance

Fixed Bugs

  • Fixed HTML to PDF - Formatting issues in resultant file
  • Fixed Performance issue in PDF to TIFF conversion
  • Fixed HTML to PDF - CSS file as External Resource not applying to the generated PDF file
Nov 11, 2025
 English