UltraISO is an application for Microsoft Windows

Microsoft Windows

Microsoft Windows is a series of operating systems produced by Microsoft.Microsoft introduced an operating environment named Windows on November 20, 1985 as an add-on to MS-DOS in response to the growing interest in graphical user interfaces . Microsoft Windows came to dominate the world's personal...

 for creating, modifying and converting ISO image

ISO image

An ISO image is an archive file of an optical disc, composed of the data contents of every written sector of an optical disc, including the optical disc file system...

 files used for optical disc authoring

Optical disc authoring

Optical disc authoring, including DVD and Blu-ray Disc authoring , is the process of assembling source material—video, audio or other data—into the proper logical volume format to then be recorded onto an optical disc .-Process:To burn an optical disc, one usually first creates an...

.

Since the first release of UltraISO on 20 April 2002, its author EZB Systems has maintained and kept the product shareware

Shareware

The term shareware is a proprietary software that is provided to users without payment on a trial basis and is often limited by any combination of functionality, availability, or convenience. Shareware is often offered as a download from an Internet website or as a compact disc included with a...

.

UltraISO is currently produced by EZB Systems. The company's domain name is registered to an address in Shenzhen, China.

Features

• Duplicate CDs and DVDs to an ISO image.
• Create ISO images from files located on a CD/DVD-ROM or hard disk.
• Edit existing ISO files by adding, deleting, and creating files and folders.
• Create compressed zisofs (.ISZ) images
• Create bootable CD, DVD and floppy images.
• Converts: .BIN, .IMG, .CIF, .NRG, .BWI, .DAA, .DMG, .HFS and other formats to the standard ISO image.
• Supports all ISO 9660
  ISO 9660
  ISO 9660, also referred to as CDFS by some hardware and software providers, is a file system standard published by the International Organization for Standardization for optical disc media....
  
   levels and the Joliet extension.
• Optimization of ISO image file structures to save disc space.
• Capable of mounting
  Mount (computing)
  Mounting takes place before a computer can use any kind of storage device . The user or their operating system must make it accessible through the computer's file system. A user can access only files on mounted media.- Mount point :A mount point is a physical location in the partition used as a...
  
   only ISOs to a virtual drive
  Virtual drive
  A virtual drive in computing is a device that to the operating system appears to be an ordinary physical disk drive, with disc images substituted for disc reading hardware through the use of software called a disk emulator...
  
  .
• Create checksum
  Checksum
  A checksum or hash sum is a fixed-size datum computed from an arbitrary block of digital data for the purpose of detecting accidental errors that may have been introduced during its transmission or storage. The integrity of the data can be checked at any later time by recomputing the checksum and...
  
  s for data verification of ISOs.
• Multiple language support.
• Built in digital audio player.
• Supports UDF
  Universal Disk Format
  Universal Disk Format is an implementation of the specification known as ISO/IEC 13346 and ECMA-167 and is an open vendor-neutral file system for computer data storage for a broad range of media. In practice, it has been most widely used for DVDs and newer optical disc formats, supplanting ISO 9660...
  
   disc format and allows creation of bootable UDF disks.

ISZ format

UltraISO uses a proprietary format known as ISZ. The format advertised as "ISO Zipped", even though it is not a simple zip archive. The format uses ZLIB or BZIP2 to compress the data, and can support AES

Advanced Encryption Standard

Advanced Encryption Standard is a specification for the encryption of electronic data. It has been adopted by the U.S. government and is now used worldwide. It supersedes DES...

 encryption of various strength. The file format specification is available publicly on EZB Systems's website. The format is now supported by third party applications such as Daemon Tools

Daemon Tools

Daemon Tools is a disk image emulator and optical disc authoring program for Microsoft Windows. Daemon Tools was originally a furtherance in the development of another program, Generic SafeDisc emulator, and incorporated all of its features. The program claims to be able to defeat most copy...

 and Alcohol 120%.

See also

• Virtual drive
  Virtual drive
  A virtual drive in computing is a device that to the operating system appears to be an ordinary physical disk drive, with disc images substituted for disc reading hardware through the use of software called a disk emulator...
  
  
• List of optical disc authoring software
• Comparison of ISO image software
  Comparison of ISO image software
  This article is a comparison of notable software applications that can access or manipulate ISO image files. It compares their ISO image handling capabilities.- Notes :...