About this software
What is UltraDefrag?
UltraDefrag is a powerful disk defragmentation tool for Windows.
Read the full UltraDefrag review and feature list →
Requirements
System requirements
Windows 2000 / XP / Vista / Windows 7 / Windows 8 / Windows 10 / Windows 10 64-bit
Tips
Download tips
If a mirror is slow or temporarily offline, just pick another from the list above — every mirror serves the identical
2.11 MBfile. Each link launches a brief
5-second redirect page so we can track which mirrors are healthiest.
✓
Verified clean. Every UltraDefrag build on SoftLookup is scanned for viruses, spyware, adware, trojans and backdoors. We re-test on every update.
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At a glance
UltraDefrag specifications
- Last updated
- Apr 30, 2026
- License
- OpenSource under LGPL
- Operating system
- Windows 10/11
- File size
- 2.11 MB
- Filename
- ultradefrag-7.1.0.bin.i386.exe
- Mirror count
- 1
- Price
- Free
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