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A Powerful Disk Defragmenter

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UltraDefrag at SourceForge

UltraDefrag at FastSpring

The term UltraDefrag is a shorthand for the Ultra Defragmenter and holds no connection with potential owners of registered trademarks or other rights. All trademarks, brands, and names are the property of their respective owners.

Compare various editions of UltraDefrag and choose the best one.
Feature UltraDefrag 7 UltraDefrag 8
Standard Edition
UltraDefrag 8
Enterprise Edition
License GPL proprietary proprietary
Graphical representation of disk clusters
Detailed file fragmentation reports
Exclusion of files by path, size and number
of fragments
Defragmentation of individual files/folders
Defragmentation of locked system files
Fully configurable disk optimization
Automatic hibernation or shutdown
after the job completion
Automatic defragmentation
Ultrafast disk processing
Deep optimization of drives
Easy installation
Easy to use portable edition
Unlimited number of free updates included
Permission to use on more than 3
physical machines
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Price FREE