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

How to convert images to PDF from urls asynchronously in PowerShell with easy ByteScout code samples to make image to PDF API. Step-by-step tutorial

Today you are going to learn how to convert images to PDF from urls asynchronously in PowerShell. PDF.co Web API helps with image to PDF API in PowerShell. 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.

Fast application programming interfaces of PDF.co Web API for PowerShell plus the instruction and the code below will help to learn how to convert images to PDF from urls asynchronously. Follow the instruction and copy – paste code for PowerShell into your project’s code editor. Code testing will allow the function to be tested and work properly with your data.

ByteScout free trial version is available for FREE download from our website. Programming tutorials along with source code samples are included.

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ConvertImagesToPdfFromUrlsAsynchronously.ps1
      
# Cloud API asynchronous "Image To PDF" job example. # Allows to avoid timeout errors when processing huge or scanned PDF documents. # 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" # (!) Make asynchronous job $Async = $true # Prepare URL for `Image To PDF` API call $query = "https://api.pdf.co/v1/pdf/convert/from/image?name=$(Split-Path $DestinationFile -Leaf)&url=$($SourceFiles -join ",")&async=$($Async)" $query = [System.Uri]::EscapeUriString($query) try { # Execute request $jsonResponse = Invoke-RestMethod -Method Get -Headers @{ "x-api-key" = $API_KEY } -Uri $query if ($jsonResponse.error -eq $false) { # Asynchronous job ID $jobId = $jsonResponse.jobId # URL of generated PDF file that will available after the job completion $resultFileUrl = $jsonResponse.url # Check the job status in a loop. do { $statusCheckUrl = "https://api.pdf.co/v1/job/check?jobid=" + $jobId $jsonStatus = Invoke-RestMethod -Method Get -Headers @{ "x-api-key" = $API_KEY } -Uri $statusCheckUrl # Display timestamp and status (for demo purposes) Write-Host "$(Get-date): $($jsonStatus.status)" if ($jsonStatus.status -eq "success") { # Download PDF file Invoke-WebRequest -Headers @{ "x-api-key" = $API_KEY } -OutFile $DestinationFile -Uri $resultFileUrl Write-Host "Generated PDF file saved as `"$($DestinationFile)`" file." break } elseif ($jsonStatus.status -eq "working") { # Pause for a few seconds Start-Sleep -Seconds 3 } else { Write-Host $jsonStatus.status break } } while ($true) } else { # Display service reported error Write-Host $jsonResponse.message } } catch { # Display request error Write-Host $_.Exception }

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run.bat
      
@echo off powershell -NoProfile -ExecutionPolicy Bypass -Command "& .\ConvertImagesToPdfFromUrlsAsynchronously.ps1" echo Script finished with errorlevel=%errorlevel% pause

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