How to convert image with .png format to .jpg format in javascript Filereader?

Question

I have developed web application,I am using File reader for pick the image,In that i have to convert the image .png format to .jpeg format.Please help me anyone to complete the task. Thanks in Advance.

Solution

This is definitely possible through HTML5 canvas element. Just draw the image in a canvas. (Make the canvas element hidden if you want). Then use canvas.toDataURL("image/jpeg"); to get the Base64 notation of image in the required format.

Check out : http://davidwalsh.name/convert-canvas-image