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The core component of UltraDefrag CLI is the udefrag command. You can analyze, defragment and optimize disks using it. Also you can use it to get the list of disks available for defragmentation…

UltraDefrag CLI is a powerful command line interface of UltraDefrag. It is a complete alternative to the graphical interface – for any action you might want to perform in the graphical interface there is an equivalent command…

Using the latest version of UltraDefrag you can easily optimize your disks with just a few clicks in addition to the regular defragmentation. The disk optimization is far superior to defragmentation: it moves files closer to the beginning of the disk which is well known to be the fastest part, sorts files making access to groups of related files much faster and, finally, defragments the free space which helps to reduce fragmentation in future. All this greatly improves system performance…

Using the latest version of UltraDefrag you can easily fully automate defragmentation of your disks. Follow this step by step guide to learn how to do it…

UltraDefrag was born in 2007 by Dmitri Arkhangelski out of a desire for a powerful and feature-rich disk defragmenter…

Sometimes Windows and applications lock files preventing their defragmentation. While some of the locked files do not affect system performance much, most of them are essential system files…

Sometimes you may want to defragment individual files and folders rather than the entire disks. Follow this step by step guide to learn how to do it…

UltraDefrag is a powerful and feature-rich disk defragmenter for Windows…

The latest version of UltraDefrag is well known for its ease of use. You can easily defragment all your disks with just a few clicks using an intuitive graphical interface. Follow this step by step guide to learn how to do it…

Thanks to our partnership with FastSpring the ordering of UltraDefrag is easy, fast and secure. Follow this step by step guide to learn how to order the latest version of UltraDefrag…