Coverify

About

Coverify transforms any image into an ideal Kindle screensaver. Simply drag and drop your file, and it will automatically dither, resize, and convert the format, ensuring your artwork appears amazing on e-ink's 16-level grayscale. Try your first screensaver at no cost. For unlimited access, it's $0.99 each month or a $4.99 one-time purchase. It works with all main Kindle models: Basic, Paperwhite, Oasis, and Scribe.