FlashBoot is a tool to make USB disks bootable. Its primary focus are USB Flash disks, but other types of USB devices are supported as well. Making disk bootable involves formatting and copying operating system files to it. Different operating systems are supported: Windows 7/Vista, Windows XP, SysLinux-based disks, GRUB4DOS disks, Linux kernel etc.

You may create blank bootable USB flash with minimal set of system files and then manually tune it for your needs, or convert a full-featured bootable CD-ROM or floppy disk to bootable USB Flash keeping all functionality.

Most known and popular FlashBoot feature is a convertion of Windows XP/Vista/7 installation CD/DVD into bootable USB disk, useful for Windows installation on netbooks and other devices without CD/DVD drive.
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Limitations of demo version:

USB disk or image file is bootable only for 30 days since the date of formatting
Each distinct USB disk can be formatted by FlashBoot demo version no more than 16 times
Maximum time of use of demo version is not limited.

Demo version may be upgraded to full version later by copying license key file to FlashBoot folder, there's no need to download big files twice.

It is recommended to try out the demo before buying the full version to ensure that there are no hardware incompatibilities and product meets your particular needs.


System requirements for FlashBoot 2.x:

BIOS which supports booting from USB devices
Operating system: Windows XP, Windows Vista, Windows 7, Windows Server 2003, Windows Server 2008, either x86 or x64 edition
256 Mbytes of RAM
30 Mbytes of disk space

Screenshots of FlashBoot 2.0, converting Windows XP installation CD to USB can be seen here
This tool can be downloaded from here