Overview
What is Fragger?
Fragger - Simulate HDD fragmentation to test the performance of disk defragging tools, select the fragmentation method, and remove everything afterward
In depth
A closer look at Fragger
Fragger is a lightweight and portable piece of software that enables users to simulate file fragmentation on a selected drive, in order to test the performance of a defragging tool, such as Defraggler Since installation is not a prerequisite, you can save the app directory in any part of the hard disk and just click the executable to run. Another possibility is to save a copy of Fragger to a USB flash disk or similar removable storage unit, in order to run it on any PC with minimum effort, as long as it has .NET Framework installed.
Verdict
Should you download Fragger?
Fragger runs on
Windows 10/11
and is available under the
Freeware
license
— the installer is 126 KB.
We’ve catalogued it under
System.
✓
Verified clean. Every Fragger build on SoftLookup is scanned for viruses, spyware, adware, trojans and backdoors. We re-test on every update.
Sponsored
At a glance
Fragger specifications
- Last updated
- May 1, 2026
- License
- Freeware
- Operating system
- Windows 10/11
- File size
- 126 KB
- Price
- Free
- Page views
- 709
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