PDF to image API in PowerShell using PDF.co Web API

What is PDF.co Web API? It 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.

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ConvertPdfToJpegFromUrl.ps1

      
# The following options are available through profiles: # (JSON can be single/double-quoted and contain comments.) # { # "profiles": [ # { # "profile1": { # "TextSmoothingMode": "HighQuality", // Valid values: "HighSpeed", "HighQuality" # "VectorSmoothingMode": "HighQuality", // Valid values: "HighSpeed", "HighQuality" # "ImageInterpolationMode": "HighQuality", // Valid values: "HighSpeed", "HighQuality" # "RenderTextObjects": true, // Valid values: true, false # "RenderVectorObjects": true, // Valid values: true, false # "RenderImageObjects": true, // Valid values: true, false # "RenderCurveVectorObjects": true, // Valid values: true, false # "JPEGQuality": 85, // from 0 (lowest) to 100 (highest) # "TIFFCompression": "LZW", // Valid values: "None", "LZW", "CCITT3", "CCITT4", "RLE" # "RotateFlipType": "RotateNoneFlipNone", // RotateFlipType enum values from here: https://docs.microsoft.com/en-us/dotnet/api/system.drawing.rotatefliptype?view=netframework-2.0 # "ImageBitsPerPixel": "BPP24", // Valid values: "BPP1", "BPP8", "BPP24", "BPP32" # "OneBitConversionAlgorithm": "OtsuThreshold", // Valid values: "OtsuThreshold", "BayerOrderedDithering" # "FontHintingMode": "Default", // Valid values: "Default", "Stronger" # "NightMode": false // Valid values: true, false # } # } # ] # } # 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 = "" # Advanced Optoins $Profiles = "{ 'profiles': [ { 'profile1': { 'JPEGQuality': '25' } } ] }" # Prepare URL for `PDF To JPEG` API call $query = "https://api.pdf.co/v1/pdf/convert/to/jpg" # 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 "profiles" = $Profiles } | 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 JPEG files $part = 1; foreach ($url in $jsonResponse.urls) { $localFileName = ".\page$($part).jpg" 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 "& .\ConvertPdfToJpegFromUrl.ps1" echo Script finished with errorlevel=%errorlevel% pause

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