title: Base64 jpg to base64 Png in Ruby
body: <p>I'm working with base64 files and i would like to convert a base64jpg image in a base64png image. Is there a way to do it?</p>
  
  <p>The reason is i'm using rsvg-convert to convert svg files into png files, but when i have a base64jpg in my svg, it's not working, But it works with base64 files.</p>