UltraDefrag (64-bit) for Windows

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This version of UltraDefrag is for 64-bit PCs. There is a separate installer for 32-bit systems: UltraDefrag (32-bit).

Developer’s Description

Free up your hard drives space by performing defragmentation.

UltraDefrag (64-bit) is an open source defragmentation tool. Its engine is very fast, because it is created as kernel-mode driver. They are three interfaces to them graphical, console and native. UltraDefrag reduces the file fragmentation, thus it makes disk operations faster. Also the program can optimize a whole disk placing all the files to the fastest part of the disk - to its beginning.

UltraDefrag (64-bit) for Windows

Used UltraDefrag (64-bit) for Windows? Share your experience and help other users.

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Full Specifications

GENERAL

Release: July 2, 2019

Latest update: February 29, 2024

Version: 7.1.2

OPERATING SYSTEMS

Platform: Windows

Operating System

Windows 7
Windows 8
Windows 2000
Windows Server
Windows 2003
Windows XP
Windows 10
Windows Vista

Additional Requirements: None

POPULARITY

Total Downloads: 39,039

Downloads Last Week: 13

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Last Updated

User Reviews

4/5

4 User Votes

WORST PROGRAM EVER MADE DO NOT USE
DMTRYPTFebruary 7, 2014
Pros
ABSOLUTELY NONE
Cons
It killed my hard drive...ERROR ERROR like 3% S.M.A.R.T. ERRROR 301
Summary
Thanks for nothing! Seriously, I have to buy a new hard drive now :(
Still Loving It !!
tonester59March 14, 2013
Pros
Version 6 is out and it's not much different than v.5.1.1 from the user's point of view - which is to say it's terrific ! I tried the "quick optimize" feature and, whoa!, it really works. There is a noticeable improvement in speed. Eventually I'll try the "full optimize", but the developer says that's something you only need to do once a year or so.
Cons
None whatsoever.
Summary
Needless to say, this is a great defragger. Optimized for 64 bit systems, extremely fast, fascinating and helpful tutorials, supported by ongoing development: all contribute to making UltraDefrag stand out in a field filled with capable competitors. The difference must be that, unlike other defraggers, it works at the kernal level. In any case, it's become my defragger of choice, and to it's publishers i'd like to say "thank you !" and keep up the great work !
just one great software
sylentzNovember 29, 2012
Pros
just one great piece of soft ware doe what it say
Cons
none as i see
Summary
this soft ware goe above an beyond expectation
Absolutely Outstanding !!
tonester59November 14, 2012
Pros
(Note: this is an early review; normally I would wait until I'd used a piece of software for a while before reviewing it, but I'm so impressed with it I want to turn people onto it as soon as possible.) 1) Designed for 64 bit systems (finally !) 2) Lightweight (2.5 MB) and easy on system resources. 3) Intuitive and easy to use interface, despite the numerous options built into this tool. 4) First-rate "users guide" (they call it a handbook) that's actually worth reading; has some good common-sense info in the "Tips and Tricks" section I'd never thought of, and the rest of it is quite extensive- covers all the bases. 5) Open Source (see summary)
Cons
None to speak of (unless you absolutely MUST have a glitzy GUI with constant pop-ups trying to sell you something.)
Summary
If you use a 64 bit system (in my case: Win7 x64 SP1) you probably already know that programs written for a 32 bit system will work, but most likely not as well as a 64 bit specific program. At least that's been my experience. This is the first 64 bit defragger I've seen, and as if that wasn't enough, it's open source as well. More and more I find myself drawn to the open source movement. Just read the GNU's (like an end user's agreement that most of us don't read) and you'll see what I mean: not only are they not trying to sell you anything, but they're of the philosophy that high-quality software should be FREE TO EVERYONE ! Call me an anarchist if you like, but that's a concept I can fully embrace. While it may be true that the internet runs on commerce, I consider open source programmers to be the true heroes of the computer world (hey, they could be using their considerable talents hacking you), and UltraDefrag stands out as a great example of this. My thanks to it's authors for this fine utility, and I highly recommend it to one and all.