Headers.me - Create social cover images that get you followers
Canva - Canva is a graphic-design platform with a drag-and-drop interface to create print or visual content while providing templates, images, and fonts. Canva makes graphic design more straightforward and accessible regardless of skill level.
Figen - Free post cover & background generator tool
Crello - A simplified graphic design tool with 10,000 free templates.
Blog Cover - Cover image generator for your blog post
PIXELIXE Studio - Pixelixe makes it easy to create and edit any type of online graphics. For social media, blogs, ads, and more!