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Problem:
Scanned document stored as series of jpeg images and I needed a PDF. There are ways to accomplish this without code (print to PDF), but I needed to make the file a particular size and print to pdf made the single PDF larger than the combined size of the images.
In this tutorial you will learn how to convert or encode image to Base64 string and convert or decode Base64 string to image in Java. What is Base64? Base64 is a group of similar binary-to-text encoding schemes that represent binary data in an ASCII string format by translating it into a radix-64 representation. Article updated on Wednesday, 28 June 2017 Java PDF to TIFF Example. This example uses the ICEpdf open source library to read a PDF and turn it into TIFF images. This is easily accomplished by calling GhostScript from a Java application e.g. Gs -o output.tiff -sDEVICE=tiffg4 -r600 mydpf.pdf but I wanted a 100% java solution. 1 - Download the libraries needed.
Solution:
iText PDF library and Java program to create a PDF with the images. See more about iText here: http://developers.itextpdf.com/itext-java
See the code in Main.java. It started with a piece of code from nathan on stackoverflow with modifications to resize the image and to add multiple images (1 per page). See: http://stackoverflow.com/questions/15744454/how-to-convert-jpg-to-pdf-in-android-java
- PDF to image conversion in Java is a topic which I get asked a lot of questions about so I thought it would make a good topic for a blog. I will be doing some follow-up articles to cover specific image issues with tiff, JPEG and PNG. A PDF is essentially a vector graphics format. Developers.
- Aspose.Imaging for Java is a high-performance and well-documented Imaging Class Library that provides the most flexible group of images processing routines for the developers to create, manipulate, save and convert images in their Java applications, without the need of an image editor.
Maven dependency:
Active1 month ago
Can someone give me an example on how to use Apache PDFBox to convert a pdf in different images (one for each page of the pdf). Thanks in advance
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user3423568user3423568
4 Answers
Solution for 1.8.* versions:
Don't forget to read the 1.8 dependencies page before doing your build.
Solution for the 2.0 version:
The ImageIOUtil class is in a separate download / artifact (pdf-tools). Read the 2.0 dependencies page before doing your build, you'll need extra jar files for PDFs with jbig2 images, for saving to tiff images, and reading of encrypted files.
Make sure to use the latest version of whatever JDK version you are using, i.e. if you are using jdk8, then don't use version 1.8.0_5, use 1.8.0_191 or whatever is the latest at the time you're reading. Early versions were very slow.
Tilman HausherrTilman Hausherr11.4k44 gold badges3131 silver badges6464 bronze badges
chris01chris014,76444 gold badges2525 silver badges4343 bronze badges
w/o any extra dependencies you can just use the
PDFToImage
class already included in PDFBox
.Kotlin:
PDFToImage.main(arrayOf<String>('-outputPrefix', 'newImgFilenamePrefix', existingPdfFilename))
other config opts: https://pdfbox.apache.org/docs/2.0.8/javadocs/org/apache/pdfbox/tools/PDFToImage.html
Tilman Hausherr11.4k44 gold badges3131 silver badges6464 bronze badges
kittyminkykittyminky
Pdf To Image Converter Online Free
Here i am use Apache pdfbox-2.0.8 , commons-logging-1.2 and fontbox-2.0.8 Library
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How To Change Jpeg To Pdf
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