Here you will find my Windows binaries of Gifsicle, a command-line utility for working with GIF images.
gifsicle-1.95-win32.zip - Gifsicle 1.95 for 32-bit Windows
gifsicle-1.95-win64.zip - Gifsicle 1.95 for AMD64/x64 Windows
gifsicle-1.95-winarm64.zip - Gifsicle 1.95 for ARM64 Windows

Source code
Old versions