Librera Reader is a free and lightweight book reading application that supports almost any e-book format, including PDF, EPUB, MOBI, and many more. It also has a feature that allows users to read out loud using any TTS engine installed on their device. The application has a highly customizable interface that ensures a comfortable reading experience on Android devices. Librera Reader is intended as an all-in-one replacement for all reading apps, making it a convenient option for book lovers.

The book reader interface of Librera Reader has a modern design and allows users to change the theme and accent colors, switch between night and daytime themes, and display books as a list or grid. The app also has a library search, favorites list, recent list, and notes and bookmarks in all formats. The bookshelf or library feature allows users to search for EPUB, FB2, PDF, and other documents and create a library. Users can also add and remove folders, filter book searches by title, author, series, genre, and more, and sort book displays by author, genre, series, size, and more.

Librera Reader has reading settings that allow users to change background and font colors, select fonts for text, titles, italics, and more, change reading direction, and enable night mode. The app also has intelligent white space cropping, page splitting, multi-word text search, and honored document's CSS styles for EPUB, AZW, AZW3, and MOBI books. It also has a unique mode for musicians that allows for automatic scrolling sheets at an adjustable speed, fast transition between previous and next sheet, notes and drawings, and bookmarks.

In addition to its book reading features, Librera Reader also has a PDF reader and viewer, comic book reader and viewer, and features for learning foreign languages. It also supports offline Calibre libraries, EPUB3 multimedia support, and office doc formats LibreOffice and OpenOffice. The app has a widget on the desktop, page sharing as an image, and support for online book catalogs such as Gutenberg and Manybooks. Librera Reader is constantly under heavy development with the ultimate goal of implementing all the wishes of its users.

Librera Reader is a versatile book reading application that supports almost any e-book format and has a highly customizable interface that ensures a comfortable reading experience on Android devices. The app has a book reader interface, bookshelf or library feature, and reading settings that allow users to change background and font colors, select fonts, and enable night mode. It also has features for learning foreign languages, a PDF reader and viewer, and a comic book reader and viewer. Librera Reader is constantly under development with the goal of implementing all the wishes of its users.

The app also has advanced features such as opening any book packed in zip-format, exporting notes to a file or email, and exporting and importing book and app settings automatically. It has a widget on the desktop, page sharing as an image, and support for offline Calibre libraries and online book catalogs such as Gutenberg and Manybooks. Librera Reader is a convenient all-in-one replacement for all reading apps, making it a great option for book lovers.