How to convert PDF to PNG from URL for PDF to image API in PowerShell and PDF.co Web API

Tutorial: how to convert PDF to PNG from URL for PDF to image API in PowerShell

These source code samples are listed and grouped by their programming language and functions they use. PDF.co Web API helps with PDF to image API in PowerShell. PDF.co Web API is the Rest API that provides set of data extraction functions, tools for documents manipulation, splitting and merging of pdf files. Includes built-in OCR, images recognition, can generate and read barcodes from images, scans and pdf.

This rich sample source code in PowerShell for PDF.co Web API includes the number of functions and options you should do calling the API to implement PDF to image API. Follow the instruction and copy – paste code for PowerShell into your project’s code editor. Writing PowerShell application typically includes multiple stages of the software development so even if the functionality works please test it with your data and the production environment.

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ConvertPdfToPngFromUrl.ps1

      
# The authentication key (API Key).
# Get your own by registering at https://app.pdf.co/documentation/api
$API_KEY = "***********************************"

# Direct URL of source PDF file
$SourceFileUrl = "https://bytescout-com.s3.amazonaws.com/files/demo-files/cloud-api/pdf-to-image/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 = ""


# Prepare URL for `PDF To PNG` API call
$query = "https://api.pdf.co/v1/pdf/convert/to/png"

# Prepare request body (will be auto-converted to JSON by Invoke-RestMethod)
# See documentation: https://apidocs.pdf.co
$body = @{
    "password" = $Password
    "pages" = $Pages
    "url" = $SourceFileUrl
} | ConvertTo-Json

try {
    # Execute request
    $response = Invoke-WebRequest -Method Post -Headers @{ "x-api-key" = $API_KEY; "Content-Type" = "application/json" } -Body $body -Uri $query

    $jsonResponse = $response.Content | ConvertFrom-Json

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

            Invoke-WebRequest -Headers @{ "x-api-key" = $API_KEY } -OutFile $localFileName -Uri $url

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

run.bat

      
@echo off

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

pause

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