UltraDefrag

7.1.4 Disk defragmenter for Windows

Felix Cheng

Software that reorganizes and optimizes the placement of files on your hard drive to improve system performance.

Free and open source disk optimization software download, reviewed by Felix Cheng
Powerful defragmentation tool that can analyze and optimize hard drives, in order to enhance the processing speed of computer - Screenshot of UltraDefrag
Choose the mode of operation to use - Screenshot of UltraDefrag
Recommended to cease all other activities - Screenshot of UltraDefrag
Will defragment the hard disk - Screenshot of UltraDefrag
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Excellent hard drive defragmentation application that effectively optimizes hard disks by reducing file fragmentation and thus enhances the overall speed of Windows PCs.

UltraDefrag is a free Windows disk defragment utility which utilizes the same API which is used by virtually all other disk defragmenters which is provided by the Microsoft Windows operating system.

Though it defragments disks the same way Windows does, it includes several new and improved features which makes defragmentation more complete and puts more control into the hands of system administrators and users alike.

The graphical user interface doesn't take much time to get used to as it contains several standard features which most other defragmenters use.

When you run the program and choose to defragment a hard drive, you'll be given a couple of different options after hard drive analysis has completed. It will display a report (available in the form of an HTML file) which displays which files are fragmented and their locations. If you want to complete your hard disk defragmentation process quicker, you can also choose to skip specific files.

This program includes support for 64-bit operating system natively, so if you are running an x64 version of Windows, simply download the x64 installation file and you're good to go.

Features of UltraDefrag

  • 15 Algorithms: Choose from various algorithms for different levels of optimization.
  • Analysis: Scan individual files and folders to check their fragmentation status.
  • Boot Time Defrag: Defragment files that are usually locked during system startup.
  • Command Line: Use command line for scripting and automation.
  • Defragmentation: Optimize disks and improve system performance.
  • Easy to Use: Intuitive and simple user interface.
  • Flexibility: Customize various aspects of the optimization process.
  • Free Software: Distributed under GNU General Public License.
  • NTFS Metadata Streams: Defragment alternate data streams.
  • Optimization: Optimize clusters size for better space utilization.
  • Portable Version: Option to install and use the portable version.
  • Powerful Filters: Selectively defragment files based on their name, size, type and date.
  • Reports: Generate graphical and textual reports of the defragmentation process.
  • Scheduling: Set up scheduled defragmentation tasks.
  • Security: Keep your data safe with advanced security options.

Compatibility and License

Is UltraDefrag free to download?

UltraDefrag has been released under the open source GPL license on Windows from hard drive defrag software. The license provides the options to freely download, install, run and share this program without any restrictions. The source code for UltraDefrag should be freely available and modifications are certainly permitted as well as the option to inspect the software.

What version of Windows can UltraDefrag run on?

UltraDefrag can be used on a computer running Windows 11 or Windows 10. Previous versions of the OS shouldn't be a problem with Windows 8 and Windows 7 having been tested. It comes in both 32-bit and 64-bit downloads.


Filed under:
  1. UltraDefrag Download
  2. Free Hard Drive Defrag Software
  3. Open source and GPL software
  4. UltraDefrag 7.1
  5. Disk Optimization Software
UltraDefrag has been tested for viruses and malware.
We have tested UltraDefrag 7.1.4 against malware with several different programs. We certify that this program is clean of viruses, malware and trojans.