Though AAC is a lossy and compressed file type and AIFF is lossless it is the former which is more preferred. This is because such files take up lesser disk space and are more compatible with a large number of platforms. Since AIFF has been developed by Apple it has some constraints when it comes to playing music on players. In order to convert the same to AAC the Free AIFF to AAC Converter should be considered by users. As the name indicates it is absolutely free of cost. It is quite flexible and can be downloaded onto any laptop or desktop that runs on Windows OS. This light weight tool requires very less disk space and is sans any harmful viruses. The ease with which the conversion can be accomplished is yet another advantage. Anyone with basic computer knowledge can do it without any glitches. After the installation process all it takes is just a few clicks and the job is done. The freeware is equipped with a user friendly interface. Users can add as many files onto the tool as possible. The Free AIFF to AAC Converter supports batch conversion. Therefore a number of files can be converted in one go. Items on the list can be increased andor some or all of them removed within no time. The order of conversion can also be set by moving files up and down the list. There are various customisation options which come next. These include volume control resizing the file size bitrate channel modes etc. The response time of the app is impressive and there are no delays on any kind. Once the output folder is chosen and the convert button pressed it takes very less time for the process to be completed. It is a commendable tool.