PortableApps.com : Provides a packaged version specifically designed for their portable platform. Win32 Disk Imager - Download [Official Site]
No UAC prompt. No "Installing dependencies." No registry write. win32diskimager portable new
Always double-check the drive letter! This tool performs a raw write, meaning it will erase everything on the target drive. Ensure you aren't selecting your external hard drive or a secondary storage partition by mistake. PortableApps
It can be run directly from a USB drive or a temporary folder without modifying system registries. win32diskimager portable new