JPedal can convert PDF to PNG, JPEG and TIF. The links below provide links to Javadocs which include sample source code.
- ConvertPagesToImages – View Javadoc of API for fully automated PDF to image conversion.
- ConvertPagesToHiResImages – View Javadoc for fully automated PDF to image conversion. Additional options to obtain the best possible quality, including scaling up the PDF page rather than scaling down the raw images.