Here is a draft you can use for a blog post, product description, or forum announcement regarding the new portable release. Win32 Disk Imager Portable: Small, Fast, and Mobile
Win32 Disk Imager is a lightweight Windows utility for writing raw disk image files (typically .img or .dd) to removable media (USB drives, SD cards) and for creating image backups from such media. A portable version lets you run the tool without installation, useful for technicians, live environments, or carrying on a USB stick. This article explains what the portable edition is, why and when to use it, how to use it safely, alternatives, and troubleshooting tips. win32diskimager portable new