Supported formats for reading e-books: EPUB, Mobipocket, Kindle, FictionBook (.fb2, .fb2.zip), and comic book archive formats (.cbr, .cbz, .cbt, .cb7).
Easy navigation:
Use a swipe, wheel, arrow key or mouse to flip page;
Viewing the table of contents;
Search in one or all chapters;
The reading progress slider with Chapter labels makes it easy to find where you are reading;
Estimate the remaining amount of time to read the Chapter and the book as a whole;
Actions with images: zoom, rotate, copy, save to hard disk, and view in negative;
Open footnotes in popovers;
Trackpad gestures – use two-finger swipe to turn the page;
Open multiple books at the same time, or open the same file in multiple windows.
Bookmarks and annotations:
Support for bookmarks;
Annotation support: create, open, search, import and export;
Foliate stores your reading progress, bookmarks, and annotations in your XDG data directory as simple JSON files, so you can easily export or sync them.
Tools:
Look up words in Wiktionary, Wikipedia, or offline DICT and StarDict dictionaries;
Translate passages with Google Translate;
Text-to-speech with eSpeak NG, Festival, or other engines; Get books online from OPDS feeds.
It is possible to configure:
Font family and size;
Line spacing, margins, and page width;
Brightness;
Choose a theme;
Page view: auto, single-column, two-column, or continuous scrolling layouts;
Use the font from the publisher;
Width alignment;
Automatic word wrap;
Skeuomorphic mode;
Auto-hide cursor and window controls;
Supports text with a message from right to left and vertically.
Search and sort by added books: all, title, author, tags, description, publisher, language;