Not sure there is a truly portable program to do this, given the huge difference between the Windows windows manager & the X Windows server used in *nix and Mac. Irfanview is probably the best windows tool to do this.
Not sure there is a truly portable program to do this, given the huge difference between the Windows windows manager & the X Windows server used in *nix and Mac. Irfanview is probably the best windows tool to do this.