28 Jun 2014 We can read data from a blob using FileReader Class. AJAX API provides us a method to download and store remote files in form of blobs. Interactive API reference for the JavaScript FileReader Object. FileReader is used to read the contents of a Blob or File.
The HTML5 FileReader facility does allow you to process local files, but these MUST be selected by the user, you cannot go rooting about the users disk looking
Why use JavaScript FileReader API to resize images? Many online image resizing