Designed as a portable version of JkDefrag, this is a comprehensive software utility that can reduce fragments on your disk drives to improve file access speed. It comes loaded with a bunch of advanced settings for experienced users.
Since there is no installation involved, you can extract the program files to any part of the disk and just click the executable to launch JkDefrag. There is also the possibility to save it to a USB flash drive to be able to directly run it on any PC with minimum effort and no previous installers. More importantly, it doesn't modify Windows registry settings.
Configure advanced defrag preferences
Before proceeding with a disk defragmentation task, you can tinker with program options. For example, you can choose the mode of operation, such as setting the PC to automatically turn off on task completion, as well as include any custom files and folders in the defrag job (all disks are scrutinized by default).
A wide range of defrag methods
In addition, JkDefrag lets you exclude any files from, indicate large or seldom used files that unnecessarily take up a lot of space, as well as choose the defragmentation method after exploring a long list of options: analyze only, defragment but don't optimize, defragment and fully optimize, defragment and move to end of disk, sort by name or size, and so on.
What's more, you can pick the debugging level (e.g. warning messages, fatal errors), speed, free space allocated for temporary files, path to log file, and UI language.
During the defragging job, you can check out the current phase and completion percent, action, along with the full path of the currently processed file. A graphical representation is shown as well but it doesn't come with a guide on how to read it.
Evaluation and conclusion
CPU and RAM consumption was high during the defragging job, which is normal, since it's recommended to suspend any other PC activities while JkDefrag is working. No error dialogs popped up in our tests, and it didn't hang or crash.
Although it may look like a rudimentary application, JkDefrag comes bundled with a lot of advanced options for hardcore PC users looking for an efficient disk defragger.
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