UltraDefrag Portable is a powerful Open Source Defragmentation Tool for Windows Platform. It can defragment any system files including registry hives and paging files. Also one of the main goals of UltraDefrag is doing the job as fast and reliable as possible.When files consist of many little fragments scattered around the disk the computer needs more mechanical work to read them. Because of that, the disk access becomes slower.The app reduces the file fragmentation, thus it makes disk operations faster. Also, the program can optimize a whole disk by placing small files close to each other, sorted by path (or other criteria). After the disk optimization less mechanical work is needed to read groups of small files. This reduces startup times... Read More »

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