Java PDF to Image conversion libraries

When searching for PDF to Image conversion libraries in Java on Internet, the main result is Apache PDFBox. It is open-source and published under the Apache License v2.0.

Several other options are available, all paid, but the difference between them is not always clear.

#1 iText

• About 2,180,000 results on Google
• Self claimed 3.5x faster than Apache pdfBox comparable to GhostScript (native)
• How it works

#2 Aspose.PDF

• About 2,370,000 results on Google
• Use of TiffSettings class to manipulate Tiff
• Convert PDF Files to PNG, JPEG, BMP, and TIFF Images using Java

#3 PDFOne

• About 765,000 results on Google
• Convert PDF To High-Resolution Images Using Java

#4 Adobe LiveCycle

• About 700,000 results on Google
• Converting PDF Documents to Image Formats

#5 GroupDocs

• About 409,000 results on Google
• Convert PDF to Image

#6 Spire.PDF

• About 368,000 results on Google
• Java: Convert PDF to Images

#7 PDFTron

• About 128,000 results on Google
• Convert.TiffOutputOptions class with setDither() and setSmooth() methods
• Convert PDF to image (JPG, PNG, BMP, TIFF) in Java

#8 PSPDFKit

• About 76,400 results on Google
• PDFs to Images in Java

#9 JPedal

• About 17,100 results on Google
• Self claimed 3-4 times faster than other alternatives, with lower memory usage
• JPedal works with JDeli, from the same company, to manipulate images
• Use of TiffEncoderOptions class to manipulate Tiff
• Change PDF files into BMP, HEIC, JPEG, JPEG2000, PNG, TIFF or WEBP image files
• Tiff Converter

#10 JPDFImages

• About 14,400 results on Google
• Use of the TiffSettings class from Aspose
• Java samples that use jPDFImages to convert PDF files to images

#11 pqScan

• About 5,470 results on Google
• Use of TIFFImageEncoder class to manipulate Tiff
• How to Convert PDF to TIF/TIFF in Java

#12 Cloudmersive

• About 26,300 results on Google
• Converts to JPG only
• PDF to JPG API