WinDiskFlash is described as 'Create and restore raw disk images' and is an app in the Backup & Sync category. There are more than 10 alternatives to WinDiskFlash for a variety of platforms, including Windows, Linux, Mac, Online / Web-based and Android. The best alternative is balenaEtcher, which is both free and Open Source. Other great apps like WinDiskFlash are Macrium Reflect (Freemium), Win32 Disk Imager (Free, Open Source), ApplePi-Baker v2 (Free) and Acronis True Image (Paid).
Protect your data, upgrade your hard disk or try new operating systems in the safe knowledge that everything is securely saved in an easily recovered backup file. Macrium Reflect supports backup to local, network and USB drives.
Restore/Backup Utility, initially intended for Raspberry Pi users, but very suitable for all SD cards and external disks. More compression formats, no more sudo passwords, enable SSH, Auto Eject, restore to multiple disks, size check, shrink, etc.
Acronis True Image (or simply True Image) is a software product produced by Acronis that provides data protection including, backup, archive, access and recovery for Microsoft, macOS, iOS and Android operating systems.