Same Quality and Features as Paid Defragmenter, No Cost Forever.

What is the fragmentation status of your hard disk? -- You no longer need to guess... this freeware will give you a complete diagnosis of your current hard drives, then defragment and speed up disk performance in minutes.

Tried Windows's default defragmenter and others? -- Now download the most efficient free defragment program with automation! Compare it with your defragmenter

Start Free Defragment!

	"It's hard to stand out in the crowded field of defraggers, but Smart Defrag is able to do so with an unexpected twist."
	- 5 stars, CNET Download.com, Sep 2008

	"Smart Defrag is a free defragment tool and worth investigating. It’s also rather fast."
	- Editor’s Review, Feb 2007

Smart Defrag
The World’s Most Efficient Defragmenter

What’s the primary cause of slow/unstable PC performance? It’s disk fragmentation. Smart Defrag helps defragment your hard drives more efficiently than any other product on the market –– free or not.

This powerful, award-winning free defragmenter is 100% safe and clean with no adware, spyware, or viruses.




Key Benefits    

Extremely Easy to Use

Install it and forget it. This powerful, free defragmenter works continuously, automatically and quietly in the background on your PC. Its intuitive interface makes Smart Defrag the ideal utility for complete computer dummies.

Exceptionally Efficient Defragmentation

Smart Defrag has the world’s fastest defragmenting engine. It’s been specially designed for modern, large hard drives, so it eliminates long waiting times.

Optimize Disk Performance

Smart Defrag doesn’t just use simple defragmentation. It also streamlines your file system, places the frequently used files and directories into the fastest area of the disk, enabling your computer to run at top speed with the most stability.

Always-on to Work Automatically

Smart Defrag works automatically and quietly in the background, so it continually and constantly keeps your computer fragment-free.

Data Safe and Reliability Guaranteed

Smart Defrag uses the commercial-level standard to move data and does not damage any file in your disk. Besides, unlike other "Automated" Defragmenters, Smart Defrag does NOT constantly perform analysis and defragment, which does damage your hard drive and shorten its life. Smart Defrag has a "Safe Intelligence" technology that can assure the health of your disk by deciding When and How to start defragmentation.

Free Defragmenter Forever

Smart Defrag is 100% freeware. Download, use, and update it absolutely free for your personal computers, business or enterprise servers –– it won’t cost you a penny.

Designed for Windows Vista, XP, 2000. and Windows 7

Download FREEWARE Now

 

How does it work

Install it and forget it: Install Smart Defrag, begin to defragment your hard drives in a manual way, or just minimize it to the system tray.

Top 8 reasons why you should choose IObit

1: IObit products will effectively keep your PC safe, error-free, and running at top speed! After all, aren't these the things that you care about the most?

2: IObit has gifted and top-flight programmers and systems designers, researching and developing innovative products for you.

3: We have some of the most advanced technologies (Patent Pending) in the industry.

4: IObit and its product developers are often recommended by IT experts and editors around the world as clearly being amongst the world's top suppliers of quality Windows utilities.

5: Our unique design ideas and technologies make IObit products easier, more efficient, and effective.

6: We had over 20,000,000 downloads since 2006 - 98% of those users would recommend IObit to a friend.

7: IObit is trusted and recognized by most companies and organizations around the world.

8: You have nothing to lose. Most of our products are 100% freebies. Our paid products keep the lowest prices with the top quality in the market - and your satisfaction is guaranteed.

Smart Defrag 
The Most Efficient Free Defragmenter

Current Version:	1.11  New!
File Size:	2.48 MB
Operating System:	Designed for Windows 7, Vista™, XP, 2000, and Windows Server Editions (32bit and 64bit)
Release Date:	Feb 24, 2009
Designed to:	Keep your hard disk running at peak performance.
Languages:	English, Danish, German, Finnish, Dutch, Hungarian, Italian, Brazilian Portuguese, Turkish, Russian, Spanish, 简体中文
License:	Freeware. You may distribute it freely, copy it or include it as a part of a package as long as it is left completely intact and unchanged.

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SOFTPEDIA "100% clean" IObit Software

Softpedia, a trusted online resource, has thoroughly tested IObit Software and found it to be completely clean of any malware. As it was found to be absolutely clean, it can be installed without any concern by users

How can I help?

If you like this software, then you can help by adding a link to this website from your homepage and also by telling other people about it. Although this software is free, any donations large or small are greatly appreciated :)

Translate Smart Defrag

Why not let people in your country or area to share your unique experience with this amazing freebie? Want to help IObit in some way?

You can find our Language file (English Only currently ) in:
program directory\Language\English.lng
(Usually path: C:\Program Files\IObit\IObit SmartDefrag\Language\English.lng)

Open this file with Windows "NotePad" or any other text editors. And you can translate these English words into your own language now. Please strictly follow the format. Please send your translation to  isdbeta@iobit.com

Thanks -so- much in advance!

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