An application that can fragment/ defragment files. PassMark Fragger is an easy-to-use application that allows you to fragment or defragment a file in a controlled environment.
PassMark Fragger is a software tool that lets you fragment or defragment existing files in a controlled environment using user-selected settings. This utility is primarily used to benchmark the performance of third party defragmentation tools, or benchmark PC performance degradation due to file fragmentation. This software is unique to PassMark and is a world-first for fragmentation tools.

PassMark Fragger Features:
1. Fragment or defragment individual files.
2. Control the number and size of fragments.
3. Control the position of fragments on the disk.
4. Fragment existing files without using additional free space.
5. Graphically view current fragmentation of a file.
6. View detailed information about individual files.
7. View cluster and cluster allocation information about the current volume.
8. Output ranges of free and used disk clusters in the current volume to a text file.

PassMark Fragger fragments files based on your selected fragmentation settings. PassMark Fragger is free for personal use. Please note that technical support is not available to users under a free license.
Comercial licenses cost US$15.00 per license. PassMark Fragger uses standard file defragmentation APIs (introduced with Windows NT) to fragment and defragment files. As such, there should be a very low risk of any file corruption.

The license of this software is Freeware, you can free download and free use this disk management software.