PageDefrag is a free, portable defragmenter designed to handle files that typical defragmenting tools can't manage. These include files such as registry hives, paging files, event logs, and hibernation files. It is particularly useful for defragmenting files that are open for exclusive access by the operating system or applications.
WinContig is a simple free defrag tool that can be used to quickly defragment files without defragmenting the entire disk. This tool can even defrag ISO files. The creator designed it to have the ability to defragment folders or even single files without having to defrag a whole drive or partition.
Auslogics Disk Defrag is a free and portable disk defragmenting tool designed for fast optimization of modern hard disks. File fragmentation has been known to cause slow startups and shutdowns, slow performance and even crashes. Using this tool can help keep a PC in good running order while freeing up disk space.
