ByteScout Cloud API Server – PDF To Image API – PowerShell – Convert PDF To PNG From Uploaded File

Home
/
Articles
/
ByteScout Cloud API Server – PDF To Image API – PowerShell – Convert PDF To PNG From Uploaded File

printable version:
ByteScout-Cloud-API-Server-PowerShell-Convert-PDF-To-PNG-From-Uploaded-File.pdf

How to convert PDF to PNG from uploaded file for PDF to image API in PowerShell using ByteScout Cloud API Server

Learn in simple ways: How to convert PDF to PNG from uploaded file for PDF to image API in PowerShell

On this page, you will find sample source codes which show you how to handle a complex task, such as, PDF to image API in PowerShell. ByteScout Cloud API Server was designed to assist PDF to image API in PowerShell. ByteScout Cloud API Server is the ready to use Web API Server that can be deployed in less than 30 minutes into your own in-house server 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 buil-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 PowerShell plus the instruction and the code below will help to learn how to convert PDF to PNG from uploaded file. Follow the tutorial and copy – paste code for PowerShell into your project’s code editor. Writing PowerShell application mostly includes various stages of the software development so even if the functionality works please check it with your data and the production environment.

ByteScout Cloud API Server – free trial version is available on our website. Also, there are other code samples to help you with your PowerShell application included into trial version.

On-demand (REST Web API) version:
Web API (on-demand version)

On-premise offline SDK for Windows:
60 Day Free Trial (on-premise)

ConvertPdfToPngFromUploadedFile.ps1

      # 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.

# Source PDF file to split
$SourceFile = ".\sample.pdf"
# Comma-separated list of page indices (or ranges) to process. Leave empty for all pages. Example: '0,2-5,7-'.
$Pages = ""
# PDF document password. Leave empty for unprotected documents.
$Password = ""

# 1. RETRIEVE THE PRESIGNED URL TO UPLOAD THE FILE.
# * If you already have a direct file URL, skip to the step 3.

# Prepare URL for `Get Presigned URL` API call
$query = "https://localhost/file/upload/get-presigned-url?contenttype=application/octet-stream&name=" + `
    [System.IO.Path]::GetFileName($SourceFile)
$query = [System.Uri]::EscapeUriString($query)

try {
    # Execute request
    $jsonResponse = Invoke-RestMethod -Method Get  -Uri $query
    
    if ($jsonResponse.error -eq $false) {
        # Get URL to use for the file upload
        $uploadUrl = $jsonResponse.presignedUrl
        # Get URL of uploaded file to use with later API calls
        $uploadedFileUrl = $jsonResponse.url

        # 2. UPLOAD THE FILE TO CLOUD.

        $r = Invoke-WebRequest -Method Put -Headers @{ "content-type" = "application/octet-stream" } -InFile $SourceFile -Uri $uploadUrl
        
        if ($r.StatusCode -eq 200) {
            
            # 3. CONVERT UPLOADED PDF FILE TO PNG

            # Prepare URL for `PDF To PNG` API call
            $query = "https://localhost/pdf/convert/to/png?password={0}&pages={1}&url={2}" -f `
                $Password, $Pages, $uploadedFileUrl
            $query = [System.Uri]::EscapeUriString($query)

            # Execute request
            $jsonResponse = Invoke-RestMethod -Method Get  -Uri $query

            if ($jsonResponse.error -eq $false) {
                # Download generated PNG files
                $part = 1;
                foreach ($url in $jsonResponse.urls) {
                    $localFileName = ".\page$($part).png"

                    Invoke-WebRequest  -OutFile $localFileName -Uri $url

                    Write-Host "Downloaded `"$($localFileName)`""
                    $part++
                }
            }
            else {
                # Display service reported error
                Write-Host $jsonResponse.message
            }
        }
        else {
            # Display request error status
            Write-Host $r.StatusCode + " " + $r.StatusDescription
        }
    }
    else {
        # Display service reported error
        Write-Host $jsonResponse.message
    }
}
catch {
    # Display request error
    Write-Host $_.Exception
}

ON-PREMISE OFFLINE SDK

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

ON-DEMAND REST WEB API

Get Your API Key

Explore Web API Docs

Explore Web API Samples

run.bat

      @echo off

powershell -NoProfile -ExecutionPolicy Bypass -Command "& .\ConvertPdfToPngFromUploadedFile.ps1"
echo Script finished with errorlevel=%errorlevel%

pause