The best alternative to UltraISO is Rufus, which is both free and Open Source. If that doesn't suit you, our users have ranked more than 50 alternatives to UltraISO and 11 are so hopefully you can find a suitable replacement. Other interesting alternatives to UltraISO are WinCDEmu, K3b, ImDisk Virtual Disk Driver and Isobuster.
Formats USB drives to FAT, NTFS, exFAT, and more, while creating bootable USBs from diverse ISOs. Supports MS-DOS/FreeDOS with no external files and offers BIOS or UEFI mode, including bad block check. Ideal for systems lacking an OS or flashing BIOS and lightweight, ad-free.
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WinCDEmu is an open-source CD/DVD/BD emulator - a tool that allows you to mount optical disc images by simply clicking on them in Windows Explorer. If you have downloaded an ISO image and want to use it without burning it to a blank disc, WinCDEmu is the easiest way to do it.
EstoniaEU
K3b is a CD and DVD authoring application for the KDE desktop environment for Unix-like computer operating systems. It provides a graphical user interface to perform most CD/DVD burning tasks like creating an Audio CD from a set of audio files or copying a CD/DVD, as well as...
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ImDisk is a virtual disk driver for Windows NT through Windows 10. It can create virtual hard disk, RAM Disk, floppy or CD/DVD drives using image files or system memory.
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Low cost utility to recover data from damaged, scratched, or otherwise defective discs. Highly specialized but still easy to use to read damaged CDs, DVDs, Blu-Ray or HD-DVD media. Free version has some limited functionality but is worth it to attempt data recovery.
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xorriso itself is entirely controlled by text commands.In dialog mode, xorriso reads them as text lines from standard input. Together with some helpful xorriso commands,it is quite easy for frontend programs to operate a separate xorriso process.
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A software package to preserve all storage media from the very old to the cutting edge, as well as to give detailed information about any supported image file & to extract the files from those images.
DAA2ISO is an open source command-line/GUI tool for converting single and multipart DAA and GBI images to the original ISO format.
The DAA image (Direct Access Archive) in fact is just a compressed CD/DVD ISO which can be created through the commercial program PowerISO and used.
7Burn Free Burning Software (SevenBurn) is designed to work properly under Windows 7 operating system through IMAPIv2 that enables to use any support for writing discs including Blu-Ray.
PolandEU
DMGExtractor is a lightweight Java application for extracting the contents of a Mac OS X Disk Image file (extension .dmg) to raw binary format (such as an ISO file). It can handle most disk images of type CUDIFDiskImage, with the exception of UDCO images (using a compression...
ISOburn can directly burn your ISO and CD/DVD image file to CD-R,CD-RW, DVD-R, DVD-RW, DVD+R, DVD+RW,HD DVD and Blu-ray Disc, it write any data directly.
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