Features:

Windows & Linux versions
Compatible file formats^[1]:
- Comic books:
  - CBZ, CBR, CB7, PDF^[5] and EPUB^[2]
- Image files:
  - JPG, PNG, WebP and AVIF
- Ebooks:
  - PDF^[5] and EPUB^[3]
Windowed (simple UI) and full-screen (no UI) modes
'Fit to width', 'fit to height' and a customizable 'scale to height' page views
Page rotation
UI available in:
- English, Spanish, Russian, German and Arabic
Automatically restores the previous session's last opened book and page, and remembers the last books' page positions.
Portable mode (by creating a file named portable.txt in the same folder as the executable)
Metadata editor:
- View the metadata in PDF and EPUB files or stored in ComicInfo.xml files inside CBR, CBZ and CB7 comic books.
- Create and/or modify the metadata in PDF and EPUB files or stored in ComicInfo.xml files inside unencrypted CBR^[4], CBZ and CB7 comic books.
- Search for and import comic book metadata from Comic Vine (a Comic Vine API key is required).
Integrated audio player:
- Supports MP3, Ogg, WAV, M3U and M3U8 files.
- Can export playlists to M3U files.
Tools:
- Convert/Resize:
  - Comic books (CBR, CBZ, CB7, PDF^[5] or EPUB^[2] to CBR^[4], CBZ, CB7, PDF or EPUB)
  - Images (JPG, PNG, AVIF or WebP)
- Create:
  - A comic book (CBR^[4], CBZ, CB7, PDF or EPUB) from a list of image files and/or comic books
  - A QR code image from text
- Extract:
  - Comic book pages (to JPG, PNG, AVIF or WebP)
  - Text (OCR) from a comic book page or image file
  - A QR code's text from a comic book page or image file
  - A color palette from a comic book page or image file
    - Can be exported to a GPL or ACO palette file.
- Other:
  - Search and open books/comics from:
    - Digital Comics Museum
    - Internet Archive Books
    - Project Gutenberg
    - xkcd Webcomics
    - Comic Book Plus
  - Search and open audiobooks from:
    - Librivox AudioBooks
  - Search dictionary terms from:
    - Wiktionary Dictionary
  - Search and open radio station streams from:
    - radio-browser

Notes:

[1]: Including password protected PDF, CBZ (AES encryption not supported), CB7 and CBR files.

[2]: Images only.

[3]: Reading EPUB Ebooks is an experimental / extra feature outside the main scope of the project. It may not work for all files and could be removed in future versions if necessary.

[4]: Creating and modifying CBR files are disabled by default. They can be enabled in the preferences but require a third-party command-line tool (rar from WinRAR) to be installed in the system.

[5]: PDF files larger than 2GB are not supported.

Open Source:

The source code for this program is open and available on GitHub, where you can also find betas and previous releases and contribute translations or feedback.

More information

Status	Released
Category	Tool
Platforms	Windows, Linux
Rating	Rated 4.9 out of 5 stars (9 total ratings)
Author	binarynonsense
Tags	cb7, cbr, cbz, Comics, converter, epub, pdf, reader, software
Code license	BSD 2-clause 'Simplified' License
Average session	A few seconds
Languages	Arabic, German, English, Spanish; Castilian, Russian
Links	Source code