Greasy Fork is available in English.
Support for over 70 sites! Loads manga chapter into one page in a long strip format, supports switching chapters, minimal script with no dependencies, easy to implement new sites, loads quickly and works on mobile devices through bookmarklet
[Site Request] file:///* (View images in local directories)
similar to:
https://greasyfork.org/scripts/19512-local-image-viewer
I think it would be a good idea to use Manga Loader to replace the default local image viewer/browser in the OS.
Thanks.