A downloadable comic book reader for Windows and Linux

A free comic book reader and converter for Windows and Linux.


  • Windows & Linux versions.
  • Compatible file formats:
    • Comic books:
      • CBZ, CBR, CB7, PDF & EPUB.
    • Image files:
      • JPG, PNG, WebP & AVIF.
    • Ebooks:
      • PDF & EPUB.
    Including password protected PDF, CBZ (AES encryption not supported), CB7 and CBR files.
  • 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.
  • 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).
  • ComicInfo.xml editor:
    • view the metadata stored in ComicInfo.xml files inside CBR, CBZ and CB7 comic books.
    • create and/or modify the metadata stored in ComicInfo.xml files inside unencrypted CBR*, 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 or EPUB to CBR*, CBZ, CB7, PDF or EPUB).
      • images (JPG, PNG, AVIF or WebP).
    • Create:
      • a comic book (CBR*, 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.
      • search and open audiobooks from:
        • Librivox AudioBooks.
      • search dictionary terms from:
        • Wiktionary Dictionary.

    (*) 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.

Basic Controls:

  • Toolbar :
    • buttons: 'open file', 'previous page', 'next page', 'fit to width', 'fit to height', 'rotate counterclockwise', 'rotate clockwise' and 'toggle fullscreen'.
    • slider: use it to quickly go to any page in the book.
  • Keys:
    • 'right arrow' or 'page down' to go the next page.
    • 'left arrow' or 'page up' to go to the previous one.
    • 'up arrow' to scroll the page up, 'down arrow' to scroll the page down.
    • 'wasd' to scroll the page vertically and horizontally.
    • 'f11' to toggle full-screen mode.
    • 'ctrl+O' to choose a file to open.
    • 'ctrl++' and 'ctrl+-' to zoom in or zoom out the view. 'ctrl+0' to reset it.
  • Mouse:
    • 'scroll wheel' scrolls the page up and down.
    • 'left-click' opens the next page if the right side of the view area is clicked and the previous page if the left side is clicked.
    • 'right-click' opens a context menu with some basic navigation options.
    • 'ctrl+scroll wheel' to zoom in or zoom out the view.

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.

Updated 7 days ago
PlatformsWindows, Linux
Rated 4.9 out of 5 stars
(7 total ratings)
Tagscb7, cbr, cbz, Comics, converter, epub, pdf, reader, software
Code licenseBSD 2-clause 'Simplified' License
Average sessionA few seconds
LanguagesGerman, English, Spanish; Castilian, Russian
LinksSource code


ACBR Windows (v3.3.2) 170 MB
ACBR Windows (Self-Extracting) (v3.3.2) 112 MB
ACBR Linux (v3.3.2) 154 MB
ACBR Linux (AppImage) (v3.3.2) 156 MB

Development log

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