Trakto

You can use this application if you want to better design the background and image of the photos that we share with our friends and our surroundings on social media. You can design not only photos, but logo, icon and background in your website.

• Fully customizable and white label. Tailor the editor exactly to your needs with our
  comprehensive API. Use the exact toolset that your use case requires, adjust the UI
  to match your corporate design and upload your custom assets.

Source