function UploadPic() { // Generate the image data var Pic = document.getElementById("myCanvas").toDataURL("image/png"); Pic = Pic.replace(/^data:image\/(png|jpg);base64,/, "") // Sending the image data to Server $.ajax({ type: 'POST', url: 'upload_save.php', data: Pic, contentType: 'application/json; charset=utf-8', dataType: 'json', success: function (msg) { alert("Done, Picture Uploaded."); } });}