To set an image as featured in your Medium story, use the featured image picker when you're publishing your post, or select the image manually and press Shift + F.
Set a focal point
You can set a focal point on your image to crop your images better for social media thumbnails and preview image on Medium.
To set a focal point on your featured image:
- Hold Alt / Opt.
- Click on the image in the place where you want your focal point to be.
- The resulting green circle will serve as a focal point for automatic image cropping that appears in post listings and previews around the site.