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UltraDefragAuslogics Disk Defrag
Paid

Current versions are sold to registered users.

 Free

Disk Defrag is free; the separate Disk Defrag Ultimate edition is paid.

Windows Windows
  • Portable edition available
  • Defragments individual files and folders
  • Free alternative to the built-in Windows defragmenter
  • From a long-running Windows utilities developer
  • Windows only
  • Current versions are commercial
  • Windows only
  • Defragmenting brings little benefit on SSDs
Downloadable app Downloadable app
Closed source Closed source
License not stated License not stated
Not stated if an account is needed No account needed
Works offline Works offline

Checked September 24, 2026

Checked October 1, 2026

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