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Ajax Image Upload with jQuery

Today to I am going to show you how it is easy to implement AJAX image upload with jQuery. For doing this I used jQuery Form plugin with Simple PHP File Upload example script and some simple jQuery code.
Live Demo Download Source
Simple HTML file uploading form for upload image
<!-- loader.gif -->
<img style="display:none" id="loader" src="loader.gif" alt="Loading...." title="Loading...." />
<!-- simple file uploading form -->
<form id="form" action="ajaxupload.php" method="post" enctype="multipart/form-data">
  <input id="uploadImage" type="file" accept="image/*" name="image" />
  <input id="button" type="submit" value="Upload">
<!-- preview action or error msgs -->
<div id="preview" style="display:none"></div>

jQuery Code
Import jQuery & jQuery Form library and jQuery form implantation
<script type="text/javascript" src="js/jquery.7.1.min.js"></script>
<script type="text/javascript" src="js/jquery.form.js"></script>
$(document).ready(function() {
  var f = $('form');
  var l = $('#loader'); // loder.gif image
  var b = $('#button'); // upload button
  var p = $('#preview'); // preview area{
    // implement with ajaxForm Plugin
      beforeSend: function(){;
        b.attr('disabled', 'disabled');
      success: function(e){
      error: function(e){

PHP Code
Server side file upload handeler
$valid_exts = array('jpeg', 'jpg', 'png', 'gif'); // valid extensions
$max_size = 200 * 1024; // max file size
$path = 'uploads/'; // upload directory

  if( ! empty($_FILES['image']) ) {
    // get uploaded file extension
    $ext = strtolower(pathinfo($_FILES['image']['name'], PATHINFO_EXTENSION));
    // looking for format and size validity
    if (in_array($ext, $valid_exts) AND $_FILES['image']['size'] < $max_size) {
      $path = $path . uniqid(). '.' .$ext;
      // move uploaded file from temp to uploads directory
      if (move_uploaded_file($_FILES['image']['tmp_name'], $path)) {
        echo "<img src='$path' />";
    } else {
      echo 'Invalid file!';
  } else {
    echo 'File not uploaded!';
} else {
  echo 'Bad request!';


  1. Thanks can you make it to upload multiple images

  2. Hi. First of all THANK YOU!!!! Great job. I have a little problem though. I changed the script a little bit and added an a href link to trigger the input file element because i dont want it to be seen in page. Also the form is submitted immediately when the user selects an image file to upload. So, all this works fine in FF and IE10 but not in IE8 (have no idea about IE9 etc). Do you think you have any ideas on that? Thank you very much in advance..

  3. Hello. This is awesome. Only one problem. It doesn't work with phones! Any idea why?

  4. Hi the zip file corrupted ...Please reupload

  5. This comment has been removed by the author.

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  6. Awesome. Thanks a lot for the simplest cool one!!

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