UltraDefrag

A portable disk defragmenter for Windows with file placement, disk health monitoring and cleanup tools.

PaidProprietaryWindows
Official websiteultradefrag.net

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About UltraDefrag

UltraDefrag defragments and optimizes drives on Windows and can also defragment individual files and folders. Version 15, released in January 2026, added an option to place selected files on the fastest disk sectors, disk health monitoring and protection, and a Windows updates cleanup tool.

Earlier releases added a redesigned interface, depth settings for defragmentation and optimization, process priority control and temporary file removal. A portable edition is available, and current versions are offered to registered users.

Strengths

  • Portable edition available
  • Defragments individual files and folders
  • Includes disk health monitoring and Windows update cleanup
  • Regular yearly releases

Limitations

  • Windows only
  • Current versions are commercial

Details

Pricing
PaidCurrent versions are sold to registered users.
License
Proprietary
Platforms
Windows
How it runs
Downloadable app
Works offline
Yes
Best suited for
Windows users who want finer control over defragmentation
Last verified
Added
Provenance
Facts checked against the developer's own pages and store listings, 1 sources on file.

Alternatives to UltraDefrag

Compare all

Software that can replace UltraDefrag for an important use case, and what changes if you switch.

  • O&O Defrag

    A commercial Windows defragmenter that optimizes drives in the background to speed up startup.

    PaidProprietaryWindows

    O&O Defrag is also paid Windows software but focuses on automatic background optimization rather than manual control over individual files and folders, and has no portable edition mentioned.

  • Wise Disk Cleaner

    A free Windows tool that removes junk files, wipes browser traces and defragments disks.

    FreeProprietaryWindows

    Wise Disk Cleaner is free and includes a built-in disk defragmenter alongside junk and browser trace cleanup, but offers no file placement control or disk health monitoring.

Similar software

Related functionality, not necessarily a direct replacement.

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