E-Ink Image Optimization: Why Your Screensaver Looks Bad
E-ink shows 16 levels of grey, not 256. Why that causes banding, how to dither and set contrast for it, and the export settings that survive the panel.
AronAugust 15Authors
Aron
Maker of EbookScreensaver
I build EbookScreensaver, a free browser-based tool that crops and resizes images to the exact screen resolution of 25 e-reader models. I maintain the device dimension list myself and walk through each setup procedure on the device before publishing a guide.
Most recent articles by Aron
AronAugust 15Kindle Custom Screensaver: What Actually Works
Kindle has no custom screensaver setting. The book-cover workaround step by step, why it's missing on ad-supported Kindles, and what jailbreaking can't fix.
AronAugust 14Complete Guide to Setting Up Custom Screensavers on KOReader
Set a custom KOReader screensaver on Kindle, Kobo or PocketBook: exact folder paths per device, the settings that matter, and fixes for when it doesn't show.
AronMay 6How to Set Up Custom Screensavers on Your Kobo e-Reader
Put custom screensavers on any Kobo: create .kobo/screensaver, copy your images, enable two settings. Exact pixel sizes for Clara, Libra, Sage and Elipsa.
AronMay 6