While primarily a Windows tool, versions exist for Linux, macOS (via Java), and even older OSs like Windows 3.x.
HJSplit is celebrated for its simplicity and portability. Unlike modern bloated software, it doesn't require installation—you simply run the small executable file from anywhere, even a write-protected disk. free download hjsplit
The interface is famously minimalist, featuring just a few buttons like Split, Join, and Checksum. HJSplit - Download While primarily a Windows tool, versions exist for