Custom Chunk Size

Configure the chunk size used during chunked uploads. Smaller chunks provide more granular progress feedback while larger chunks reduce HTTP overhead. Choose a size that balances your network conditions and user experience.

Select Chunk Size

Current chunk size: 1 MB

var uploader = AjaxUploader.create('#uploader', {
    uploadUrl: '/ajaxupload.axd/chunk',
    chunked: true,
    chunkSize: 1 * 1024 * 1024, // 1 MB
    multiple: true,
    onTaskProgress: function(task) {
        status.textContent = task.fileName + ': ' +
            Math.round(task.percent) + '% (' +
            AjaxUploader.formatSize(task.loaded) + ')';
    },
    onTaskComplete: function(task) {
        status.textContent = task.fileName + ' uploaded successfully.';
    }
});