Works with any backend npm install Zero dependencies
Image Resize

Automatically resize images to a maximum width/height before uploading.

(function() {
    var logEl = document.getElementById('log');
    function log(m) { var d = document.createElement('div'); d.className='pkg-log-entry'; d.textContent=m; logEl.appendChild(d); logEl.scrollTop=logEl.scrollHeight; }
    new MultipleUpload('#demo', {
        uploadUrl: '/api/upload',
        multiple: true,
        accept: 'image/*',
        showThumbnails: true,
        imageResize: { maxWidth: 800, maxHeight: 800, quality: 0.9 },
        onImageProcessed: function(processed, original) {
            log(original.name + ': ' + Math.round(original.size/1024) + 'KB -> ' + Math.round(processed.size/1024) + 'KB');
        }
    });
})();