Make pages of different sizes uniform or prepare a file for printing on A4 or other paper — just enter the width and height in millimetres.
A4 is 210×297 mm and A5 is 148×210 mm.
Yes. It is completely free and needs no sign-up.
Files used with free tools are not kept on the server; they are deleted right after processing.
Yes. Kajino works on phones, tablets and computers in every browser, with nothing to install.