JPedal includes a large number of example PDF applications written in Java for you to use and customise. Each one is described below along with a link to code and any related items.

PDF to image conversion

• ConvertPagesToImages - fully automated program to rasterize PDF pages as images and optionally scale.
• ConvertPagesToHiResImages - extract PDF pages at the best possible quality. If the images are larger than the page, it scales up the page rather than scaling down the image.
• PDF to image conversion very simple example in our Java code FAQ - just the minimum code needed for PDF to image conversion

PDF Viewers (not server version)

• Viewer is a very comprehensive java PDF viewer which is totally configurable.
• MultiViewer adds the ability to open multiple PDF files in separate panes to the Viewer.
• JPanelDemo is a very simple java PDF viewer with minimal functionality. But we would recommend you look at the full viewer as it is totally configurable and does everything for you.
• AppletViewer provides a version of Viewer running as an Applet.

PDF Printing (not server version)

• SilentPrinting provides an example on how to print PDF files automatically from Java.

PDF Extraction

• Clipped Image extraction - fully automated extraction of PDF page images as tif, png or jpeg with ability to define output dimensions and image quality. Created to help a large catalogue company put images online.
• ExtractFormDataAsObject extracts raw PDF form data from a PDF file.
• ExtractImages extracts and saves images from a PDF file. Extracts the raw images so also consider Clipped Image extraction.
• ExtractStructuredContent extracts any Structured content (text with additional metatags to preserve structure).
• ExtractTextInRectangle extracts text in any rectangular area.
• ExtractTextInRectangleAsTable extracts text in any rectangular area of a PDF page and attempt to add tabular structure.
• ExtractTextAsWordlist will generate a list of words on the PDF page with co-ordinates.
• ExtractOutline will extract the outline tree from a PDF file if present.

PDF text Search

• FindTextInRectangle will find locations of word on the PDF page.

Other

• PageCount gives the number of pages in the PDF file.
• ShowDocumentProperties display the metadata attached to the PDF file.
• ShowPageSize displays the size of all PDF pages in pixels, centimetres and inches.
• ShowIfEmbeddedFontsUsed demonstrates how to find out if the PDF file contains embedded fonts.