MangaMark is a fun chrome extension. it's a free extension , it has 7 active users since released its first version, it earns an average rating of 5.00 from 1 rated user, last update is 1222 days ago.
MangaMark automatically bookmarks the manga you read on compatible sites so you can pick up right where you left off. (You can find the list of compatible sites in the images provided or by installing the extension and clicking "Compatible Sites". There are currently 9 compatible manga sites, but more are on the way!)
You could download the latest version crx file or older version files and install it.
English.
You could find more help information from mangamark support page.
You could send emails to publisher, or check publisher's website.
You could click to report abuse of mangamark.