Keeping official records in PDF have become a norm today. Various organizations have already been switched over to adapt themselves in this environment. Because conversion of a document or image in PDF gives the original feel and look to a document. But to achieve best results it is necessary to reduce PDF file size.
Various factors are responsible to reduce PDF file size before dispatching the same through email. First and foremost step in this direction is to reduce the resolution of an image, fonts and the image type and how they are embedded; a user should also take into consideration the PDF version and the level of compression. It should be noted here that before compressing a file, a comprehensive PDF document contains bookmarks, high-resolution images or graphics interactive forms etc.
However, if a user wish to reduce the PDF he/she can look as to how the images, fonts size can be reduced. Moreover, a user can reduce PDF file size by applying "Save As" command instead of using just "Save" command. If a user somehow presses "Save" command the PDF will become slow and heavy in size.
Avoid using markers in a PDF if a user intends to reduce PDF file size, markers are known to increase the file size. A person can also use PDF optimizer command to audit space usage. Try removing Java Script, form fields, annotations to reduce PDF file.
In an endeavor to reduce PDF use only vector based graphics. As they consume less space and look better than GIF files. If it is necessary to insert graphics as a bitmap, try the highest compression rate. Use RGB color space for web files, because they in return will reduce PDF.
Try to use Joint Bilevellmage Experts Group (JBIGZ) which is superior to CCITT
or ZIP algorithms, in reducing PDF file size. Just by removing extra space characters, substituting smaller bit strings for commonly occurring characters can reduce the text file size of up to 50% of its original size.
Recreating a PDF from scratch can also remove unwanted objects and tags and
shrinks the images as well thus reducing the file size of a PDF.