electronstudio / comicreaderultimate

An opinionated CBZ viewer

ComicReaderUltimate (CRU) is the modern successor to ComicReaderPro, one of the earliest programs for reading comics in CBR, CBZ or JPEG format on Windows, Mac and Linux.

Install from Flathub for Linux

Install from JDeploy for Windows, Mac, Linux

• Multi-threaded for fast loading
• GPU accelerated rendering
• View single or double pages
• View pages separately or in a continuous scroll

CRU is highly configurable - you can tweak values to find the most natural reading experience.
However, it is also highly opinionated. It always runs fullscreen because that is the best way to read comics. There is limited GUI because you are expected to learn the mouse or keyboard controls. There is no library browser because your operating system should already have file manager.

CRU is optimized to be as fast and responsive as possible on modern systems without worrying if it will run on legacy hardware. This comes at the cost of memory usage - it is assumed you have at least 4GB of RAM and a modern GPU with 2GB of VRAM. (CRU makes some effort to optimize for battery power but performance comes first.)

Keys

Function	Keys
Quit	Q
Open file	O, L
Menu	Escape, Tab
Scroll	Cursor keys
First page	Home
Last page	End
Next page	Page Down
Prev page	Page Up
Next screen	Space
Zoom in	+
Zoom out	-
Zoom to fit	Z
Zoom default	R
Double pages	D
Bilinear filter	B
Continuous scroll	C

TODO

• Android and iOS versions
• Windows testing
• Optimizations for integrated GPU

Building:

./gradlew dist

To build and install a flatpak from the latest Git source:

flatpak-builder --force-clean --user --install flat-build uk.co.electronstudio.ComicReaderUltimate-github.json