What-is explainers, IMG file format reference, sector-by-sector imaging concepts, security audit, full specifications.
Every few weeks I see a variation of “Is Win32 Disk Imager safe to download? Does it have malware? Can I trust it?” pop up in Reddit threads and Pi forums. Fair questions. It’s an unsigned .exe that requires admin privileges to do raw disk writes, and half the download sites hosting it look sketchy. … Read more
Disk image file formats are weirdly confusing for what should be a simple concept. .img, .iso, .bin, .vhd, .vmdk, .dmg, .qcow2, .raw, .ima, the list keeps going. Most “what’s the difference” guides online conflate these formats, get the technical details wrong, or just don’t differentiate the use cases. The actual answer matters because picking the … Read more
There’s a thread on the Raspberry Pi forums from August 2014, still active in 2026, where a user named salka can’t write his 8 GB IMG backup to a brand new 8 GB SD card. Same brand on both. Identical advertised capacity. The Windows machine hasn’t changed. Win32 Disk Imager keeps throwing a “too small” … Read more
Last winter I watched a buddy of mine spend most of a Sunday wondering why his “complete” backup of a failing 1 TB drive was a fraction of the original size. He’d dragged the visible files across to an external disk, called it a backup, and was confident the operating system would boot from it. … Read more
I keep getting the same email every couple of weeks. Someone’s writing a procurement form, a security review, or a tech-stack inventory at work, and they need every Win32 Disk Imager spec on one page. License? File size? Last update? Is it signed? What language is the GUI in? They’ve been bouncing between SourceForge, the … Read more
