DLsitePlay Addon is a Chrome extension that adds new features to improve the user experience on DLsitePlay.

This addon brings several functionalities to enhance the reading experience. Currently, it includes the ability to save and automatically resume reading progress. This feature is not limited to PDF files but also supports sequential image files.

Another useful feature is the ability to backup and restore reading progress data. Users can easily backup their progress and restore it later if needed.

DLsitePlay Addon is a free extension developed by doma_itachi. It falls under the category of Browsers and specifically the subcategory of Add-ons & Tools.