Important Update
We regularly create and update our sample code library so you may quickly learn PDF to text API and the step-by-step process in VB.NET. ByteScout Cloud API Server helps with PDF to text API in VB.NET. ByteScout Cloud API Server is the ready to deploy Web API Server that can be deployed in less than thirty minutes into your own in-house Windows server (no Internet connnection is required to process data!) or into private cloud server. Can store data on in-house local server based storage or in Amazon AWS S3 bucket. Processing data solely on the server using built-in ByteScout powered engine, no cloud services are used to process your data!.
Want to learn quickly? These fast application programming interfaces of ByteScout Cloud API Server for VB.NET plus the instruction and the code below will help to learn how to convert PDF to text from URL. Open your VB.NET project and simply copy & paste the code and then run your app! Use of ByteScout Cloud API Server in VB.NET is also described in the documentation given along with the product.
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Imports System.IO
Imports System.Net
Imports Newtonsoft.Json.Linq
' Please NOTE: In this sample we're assuming Cloud Api Server is hosted at "https://localhost".
' If it's not then please replace this with with your hosting url.
Module Module1
' Direct URL of source PDF file.
Const SourceFileUrl As String = "https://bytescout-com.s3.amazonaws.com/files/demo-files/cloud-api/pdf-to-text/sample.pdf"
' Comma-separated list of page indices (or ranges) to process. Leave empty for all pages. Example: '0,2-5,7-'.
const Pages as String = ""
' PDF document password. Leave empty for unprotected documents.
const Password As string = ""
' Destination TXT file name
const DestinationFile as string = ".\result.txt"
Sub Main()
' Create standard .NET web client instance
Dim webClient As WebClient = New WebClient()
' Prepare URL for `PDF To TXT` API call
Dim query As String = Uri.EscapeUriString(String.Format(
"https://localhost/pdf/convert/to/text?name={0}&password={1}&pages={2}&url={3}",
Path.GetFileName(DestinationFile),
Password,
Pages,
SourceFileUrl))
Try
' Execute request
Dim response As String = webClient.DownloadString(query)
' Parse JSON response
Dim json As JObject = JObject.Parse(response)
If json("error").ToObject(Of Boolean) = False Then
' Get URL of generated TXT file
Dim resultFileUrl As String = json("url").ToString()
' Download TXT file
webClient.DownloadFile(resultFileUrl, DestinationFile)
Console.WriteLine("Generated TXT file saved as ""{0}"" file.", DestinationFile)
Else
Console.WriteLine(json("message").ToString())
End If
Catch ex As WebException
Console.WriteLine(ex.ToString())
End Try
webClient.Dispose()
Console.WriteLine()
Console.WriteLine("Press any key...")
Console.ReadKey()
End Sub
End Module
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<?xml version="1.0" encoding="utf-8"?>
<packages>
<package id="Newtonsoft.Json" version="10.0.3" targetFramework="net40" />
</packages>
60 Day Free Trial or Visit ByteScout Cloud API Server Home Page
Explore ByteScout Cloud API Server Documentation
Explore Samples
Sign Up for ByteScout Cloud API Server Online Training
Get Your API Key
Explore Web API Docs
Explore Web API Samples
60 Day Free Trial or Visit ByteScout Cloud API Server Home Page
Explore ByteScout Cloud API Server Documentation
Explore Samples
Sign Up for ByteScout Cloud API Server Online Training
Get Your API Key
Explore Web API Docs
Explore Web API Samples