gulp-tinypng
Minify PNG using tinypng
Install with npm
npm install --save-dev gulp-tinypng
var gulp = require('gulp');
var tinypng = require('gulp-tinypng');
gulp.task('tinypng', function () {
gulp.src('src/**/*.png')
.pipe(tinypng('API_KEY'))
.pipe(gulp.dest('compressed_images'));
});MIT © Gaurav Jassal