gulp-mmtrix Minify image use mmtrix Install npm install --save-dev gulp-mmtrix Example var gulp = require('gulp');var mmtrix = require('gulp-mmtrix');gulp.task('mmtrix', function() { var opt = { accesskey: accesskey-from-mmtrix, securekey: securekey-from-mmtrix, } gulp.src('your/minify/img/**') .pipe(mmtrix(opt, function(data){ console.log(data) })) .pipe(gulp.dest('/imagemin/'))}) It will minify all you img to /imagemin accesskey and securekey is generate by mmtrix data is the response from mmtrix