Undisker for Windows

Name: Undisker
Rating: 3.3 (8 reviews)
Author: QSX Software

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Editors’ Review

Download.com staffFebruary 25, 2026

Undisker is a versatile disk imaging utility. It allows users to open, create, and extract ISO files from CDs and disks, simplifying data management and backups.

Pros
- Create disk image files from CDs and disks
- Write disk images back to disks
- Open and extract ISO files without burning
- Extract ISO images from all popular programs
- Familiar user interface with drag-and-drop support
Cons
- No mention of support for formats other than ISO

Undisker for Windows

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Full Specifications

GENERAL

Release: May 22, 2003

Latest update: February 25, 2026

Version: 1.2

OPERATING SYSTEMS

Platform: Windows

Operating System

Windows ME
Windows 98
Windows XP
Windows 10
Windows 2000
Windows NT

Additional Requirements: Windows 98/Me/NT/2000/XP

POPULARITY

Total Downloads: 198,075

Downloads Last Week: 7

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Last Updated

User Reviews

3.3/5

8 User Votes

Total Crap
sunilsilva2000December 2, 2008
Pros
-------------
Cons
Total Crap Couldn?t work on the files I downloaded I had to get UltraISO and it worked without any problem.
Summary
FREYJO1690May 18, 2008
Pros
Cons
Summary
Performed exactly as advertised: CD to ISO
aceaceaceSeptember 15, 2007
Pros
Easy to use and fast too. I was able to create an ISO image from a CD.
Cons
Summary
Finally a decent iso editor/extractor
jon_fDecember 18, 2006
Pros
Simple, fast, and stable. Runs on a tiny foot-print too. Handles errors as you'd expect. Would highly recommend for iso editing work.
Cons
None so far!
Summary
Wouldn't let go!
MasterSeiryuAugust 28, 2006
Pros
Cons
Undisker seemed to run fine until the end of the process. When it reached 100% completion of the creation of an ISO file, it didn't ever stop. It hung at 100% and kept accessing my disc. I couldn't end task on it; I couldn't end process on it. I had to take drastic action and bring in KillBox to make it quit. Even so, it took twice with KillBox! I'ma delete it from my system right now.
Summary
Did what I needed it to do
June 3, 2004
Pros
Cons
Summary
It may be somewhat slow in unpacking an ISO file, but it did the trick quite nicely. Haven't used it much and certainly wouldn't pay the full registration price unless I really needed it, but again, it did what it was designed to do and there weren't any glitches.
Doesnt' create iso
November 19, 2003
Pros
Cons
Summary
I just want a little program that converts cds to iso files, and it seemed want to do, but it always says that the last "99%" (doesn't tells so but...) are corrupted, so I try to continue, but when try to read the iso file it says doesn't work.
it just didnt do it
May 30, 2003
Pros
Cons
Summary
i tried to expand an iso that had 4027 files it only turned out 3795 and quit.

Developer’s Description

By QSX Software

Create disk image files from your CDs and floppy and hard disks and write them back to disks.

Undisker is a disk image utility that can open, create, and extract ISO files. ISO files are images of CD-ROM disks; they are widely used for storing contents of entire CDs. Usually, you have to burn an ISO file on a CD to see or extract its contents, but now you can simply open it in Undisker. Undisker can work as an ISO extractor: you can open ISO files, browse them, and extract their contents to your hard disk without burning the ISO file on a CD. Undisker can extract ISO images created by all popular CD recording programs. You can also use Undisker for creating ISO images. Undisker can create ISO files by capturing your CD-ROM disks.

You can use ISO files for creating backup copies of your CDs or for transferring CDs through the Internet. The undisker interface is easy to use and familiar for anyone who has used WinZip or Windows Explorer. Drag-and-drop support allows you to handle disk image files just like ZIP archives--you can extract any file from the image by simply dragging it to the desktop, or you can view files by double-clicking them just like in Windows Explorer.

Undisker for Windows

Editors’ Review

Pros

Cons

Undisker for Windows

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User Reviews

Total Crap

Performed exactly as advertised: CD to ISO

Finally a decent iso editor/extractor

Wouldn't let go!

Did what I needed it to do

Doesnt' create iso

it just didnt do it

Developer’s Description