Ajax file uploader is useful web tool, which is actually very easy to create with jQuery and PHP, and with new HTML5 FileReader API support, we can do client side file validation before even uploading the file to server. Today we are going to combine all these web features to make an Ajax based file uploader, which can be easily integrated into any HTML forms.
If you are looking for a simple script to navigate next / previous image without refreshing page, this example will do exactly that using jQuery Ajax and PHP.
Today we are going to create an image upload and resize script with a progress bar. This is an extension of my previous tutorial about image upload and resize script using jQuery and PHP, I suggest you go though that tutorial, because only thing we are going to add here is a progress-bar.