How to convert images to PDF from urls for image to PDF API in PowerShell and PDF.co Web API

Step By Step Tutorial: how to convert images to PDF from urls for image to PDF API in PowerShell

Today we will explain the steps and algorithm of how to convert images to PDF from urls and how to make it work in your application. Image to PDF API in PowerShell can be implemented with PDF.co Web API. PDF.co Web API is the Web API with a set of tools for documents manipulation, data conversion, data extraction, splitting and merging of documents. Includes image recognition, built-in OCR, barcode generation and barcode decoders to decode bar codes from scans, pictures and pdf.

PowerShell code snippet like this for PDF.co Web API works best when you need to quickly implement image to PDF API in your PowerShell application. For implimentation of this functionality, please copy and paste code below into your app using code editor. Then compile and run your app. Use of PDF.co Web API in PowerShell is also explained in the documentation included along with the product.

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ConvertImagesToPdfFromUrls.ps1

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

# Direct URLs of image files to convert to PDF document
$SourceFiles = @(
    "https://bytescout-com.s3.amazonaws.com/files/demo-files/cloud-api/image-to-pdf/image1.png",
    "https://bytescout-com.s3.amazonaws.com/files/demo-files/cloud-api/image-to-pdf/image2.jpg"
)
# Destination PDF file name
$DestinationFile = ".\result.pdf"


# Prepare URL for `Image To PDF` API call
$query = "https://api.pdf.co/v1/pdf/convert/from/image"

# Prepare request body (will be auto-converted to JSON by Invoke-RestMethod)
# See documentation: https://apidocs.pdf.co
$body = @{
    "name" = $(Split-Path $DestinationFile -Leaf)
    "url" = $SourceFiles -join ","
} | 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) {
        # Get URL of generated PDF file
        $resultFileUrl = $jsonResponse.url;
        
        # Download PDF file
        Invoke-WebRequest -Headers @{ "x-api-key" = $API_KEY } -OutFile $DestinationFile -Uri $resultFileUrl

        Write-Host "Generated PDF file saved as `"$($DestinationFile)`" file."
    }
    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 "& .\ConvertImagesToPdfFromUrls.ps1"
echo Script finished with errorlevel=%errorlevel%

pause

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