The International Standards Organization has come up with a new format titled PDF/A for archiving documents for a long term. This is a division of a PDF format that is introduced to eliminate the problems created due to the constant change in formats. PDF/A files are platform independent. A PDF/A reader will help one to open a PDF/A file. Companies like Civision Technologies have created special software to save documents in PDF/A format. A free tool for PDF Compressor and Online Conversion is now available online. Adobe Acrobat software helps to save PDF documents in PDF/A format. See PDF/A archiving. A free tool for PDF Compressor and Online Conversion is also available online.