Untitled

<!DOCTYPE html>
<html>
<head>
    <meta charset="utf-8">
    <title>Фильтр</title>
</head>

<body>
  <script src="script.js"></script>
<script>
    var dataURL = canvas.toDataURL();

    $.ajax({
        type: "POST",
        url: "upload.php",
        data: {
            imgBase64: dataURL
        }
    }).done(function(o) {
        console.log('saved');
        // If you want the file to be visible in the browser
        // - please modify the callback in javascript. All you
        // need is to return the url to the file, you just saved
        // and than put the image in your browser.
    });
</script>
</body>
</html>
<!-- ff00d8 -->