This tutorial will demonstrate how to save images into files. We will learn how to generate some random images and save the content from memory into PNG, JPG and GIF file. Basically, the codes are almost the same except for the slight variants to demonstrate how to use the Encode functions. JPG : package main import ( "flag" "fmt" "image" "image/color" "image/draw" "image/jpeg" "math/rand" "os" "t