PDF files are Portable Document Format files. As the name suggests, this file format is used mainly for transportation, distribution and storage of files. The PDF file may consist of text, images, animations, videos, fonts and much more. These may be assembled in a PDF separately by using a PDF creation tool or these data, which was already present, may have been scanned into a PDF file by using the OCR technology.
PDF files are ones that have a variety of data, graphical and lexical. Hence, due to variations in formats of data and also the size of the images and videos, the PDF files are always bulky in nature and since they are used for distribution of data, the files have to be compressed so as to be sent using e-mail as an attachment. PDF compression is done by many ways. There are software that can compress the Portable Document Format file and give a compressed version of the file. These soft wares, like any other software can also be used directly from the internet without downloading and the process by which the compression is done is called online PDF compression.
Online PDF compression soft wares require the user to upload the PDF file to the provided website. The file is then transferred to a server in which the compressor software is installed and that software is used for online PDF compression. The image files in the PDF files are reduced in size by decreasing the colour contrasts and the resolution. Animations are embedded in the file rather than being encrypted. The video playback resolution and frames per second speed are reduced so that the size of the video is decreased and hence, the size of the file.
Online PDF Compression also removes unused parts of a file and also the regenerative items. All non-regenerative items are the only ones that are left in the file after the compression of the file is done by using an Online PDF compression, the size of which will be very high. Online PDF compression is a great way to test a particular PDF compression software provider to see if their software really is up to the mark or not. Some companies offer fantastic PDF compression software and they are usually accompanied by a limited version online, for free usage by potential customers and those interested in purchase.