This sample source code below will demonstrate you how to make searchable PDF in VB.NET. ByteScout PDF Extractor SDK can make searchable PDF. It can be used from VB.NET. ByteScout PDF Extractor SDK is the SDK that helps developers to extract data from unstructured documents, pdf, images, scanned and electronic forms. Includes AI functions like automatic table detection, automatic table extraction and restructuring, text recognition and text restoration from pdf and scanned documents. Includes PDF to CSV, PDF to XML, PDF to JSON, PDF to searchable PDF functions as well as methods for low level data extraction.
You will save a lot of time on writing and testing code as you may just take the VB.NET code from ByteScout PDF Extractor SDK for make searchable PDF below and use it in your application. Just copy and paste the code into your VB.NET application’s code and follow the instruction. This basic programming language sample code for VB.NET will do the whole work for you to make searchable PDF.
Trial version of ByteScout PDF Extractor SDK is available for free. Source code samples are included to help you with your VB.NET app.
Imports Bytescout.PDFExtractor Module Module1 Sub Main() ' Create Bytescout.PDFExtractor.TextExtractor instance Dim searchablePdfMaker As SearchablePDFMaker = New SearchablePDFMaker() searchablePdfMaker.RegistrationName = "demo" searchablePdfMaker.RegistrationKey = "demo" ' Load sample PDF document searchablePdfMaker.LoadDocumentFromFile("sample_ocr.pdf") ' Set the location of OCR language data files searchablePdfMaker.OCRLanguageDataFolder = "c:\Program Files\Bytescout PDF Extractor SDK\ocrdata\" ' Set OCR language searchablePdfMaker.OCRLanguage = "eng" ' "eng" for english, "deu" for German, "fra" for French, "spa" for Spanish etc - according to files in "ocrdata" folder ' Set PDF document rendering resolution searchablePdfMaker.OCRResolution = 300 ' Save extracted text to file searchablePdfMaker.MakePDFSearchable("output.pdf") ' Cleanup searchablePDFMaker.Dispose() ' Open output file in default associated application System.Diagnostics.Process.Start("output.pdf") End Sub End Module