![]() To find out what specifically is making your PDF file too big check out our online PDF size analyzer. However, we have instructions here on how to reduce the size of PDF content streams manually. NXPowerLite isn’t able to compress content streams in PDF files currently. NXPowerLite subsets fonts in PDF files automatically. Download your compressed PDF file or sign in to share it. After uploading, Acrobat will automatically reduce the PDF size. Select the PDF file you want to make smaller. Some of these fonts can end up being quite large, so being able to remove or subset the fonts can make a big difference. Follow these easy steps to compress a large PDF file online: Click the Select a file button above or drag and drop files into the drop zone. ![]() Most applications will embed fonts in PDF files they create. Read details of how this application data is saved into PDF files. For most cases we recommend deleting this data, as it will have no effect on the use of the PDF file. This information can only be used by the application which created the file and is not needed to display the PDF. Software that create PDF files, such as Adobe Photoshop or Acrobat, can store information within a PDF for use when editing the file, sometimes called Piece Information and sometimes Private Application Data. This can squeeze out impressive additional savings without noticeable loss of quality, even at 100% zoom. NXPowerLite can also apply additional compression to images that are already in the JPEG format. The NXPowerLite software also converts many other image types to JPEG where appropriate. NXPowerLite converts bi-level (black and white) images to lossless JBIG2 encoding, which typically generates files one third to one fifth the size of CCITT Group 4 encoding. PDF files allow a wide range of inefficient image formats to be stored inside them natively. The software can scale these images down to target a particular resolution for display or print. For example, a photograph taken by a digital camera might contain five million or more pixels, but most of this detail will not be visible unless 'zoom' controls are used. Images are often inserted into PDF files at much larger sizes than necessary. For this type of file NXPowerLite ignores the text and focuses on resizing and choosing the best format for the embedded images. PDF files generated from an electronic source - such as a Word document, a computer generated report, or spreadsheet data - will usually be formed of a combination of text and images. By reducing the resolution of these images and choosing an efficient image encoding these files can be dramatically reduced. So even documents that appear to be just text can often be entirely images. Scanners often capture document pages as high resolution images without compression. It also shows you the PDF page size, which can be a common factor in large PDF file sizes. To find out what exactly is making your PDF file big we recommend using the online PDF file analyzer from WeCompress that shows you a breakdown of the content in your PDF file. NXPowerLite is able to reduce the size of both types of PDF by resizing images, adjusting image formats and quality levels while removing background or hidden data that isn't needed for normal use of the file. Just choose the paper size from the provided list of presets.īecause it will reduce PDF size at the cost of some quality, we do not recommend making smaller files that are meant to be used for large format printing.PDF files are most often scanned physical documents or documents that have been created entirely digitally often referred to as 'native' or 'born digital' PDFs. ![]()
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