An image/comic viewer for Windows, Mac, and Linux. It can show images very fast!

• GitHub (Official, source code repository)
  • https://kanryu.github.io/quickviewer/
• OSDN (Second official, in Japanese)
  • https://ja.osdn.net/projects/quickviewer/

• Fast viewing (using OpenGL)
• Portability (needn't installers, registries, external libraries)
• Double page spread view (displaying of two images at once: handy for digital books/comics)
• Direct reading of archives (zip/7z/rar/cbz/cb7/cbr/cab/tar.gz/tar.bz2/tar.xz, and more)
• Viewing different types of images (bmp/png/jpeg/ico/dds/tga/tiff/gif)
  • Supported modern formats (JPEG 2000/JPEG XR/WebP)
  • Supported Animated PNG (APNG) and GIF
  • Auto rotation (using JPEG EXIF)
• Viewing Raw images of digital cameras:
  • Canon (crw/cr2)
  • Nikon (nef)
  • Sony (arw)
  • Ricoh (dng)
  • etc.
• Creating/viewing/searching through the catalogs from thousands of your digital books
• Multilingual support (English/Spanish/Simplified Chinese/French/Arabic/Russian/Japanese/Greek)

Binary Distributions

• Windows .zip (x86/x64)
• Mac .dmg (x64) (until v1.1.1)
• Linux .AppImage (x64) (until v1.1.1)

Contributions go far beyond pull requests and commits to program. Although we would love to give you an opportunity of putting your stamp upon the QuickViewer, we also are thrilled to receive a great variety of other contributions, including:

• Documentation updates, enhancements, designs, or bugfixes
• Spelling or grammar corrections
• Addition of another language translations, especially of your native ones—this is very easy
• README.md corrections or redesign
• Adding units, or functional tests
• Trialling GitHub issues—especially determining whether an issue is still persists or is reproducible
• Blogging, chatting, tweeting

We contracted with OpenCollective to allow this project to accept donations. Your one-off, or ongoing, money contributions will help us improve QuickViewer's capabilities and make it easier to use on each computer.

https://opencollective.com/quickviewer

If you want, you can remove all attached bars and display images alone. Hidden bars are displayed automatically upon hover top or bottom of program window respectively.

• Execute the application and drag and drop image folder/archive into the window.
• Create shortcut and drag and drop image folder/archive on it.

• Next Page (press 'Right Arrow Key', 'Mouse wheel down', 'Mouse forward button', or click left edge of the window)
• Previous Page (press 'Left Arrow Key', 'Mouse wheel up', 'Mouse back button', or click right edge of the window)
• Fullscreen (press 'F11 Key', click Mouse wheel, or 'Esc Key' (to windowed only))
• Auto load the view (restore last book when application is executed)
• Fitting (fit images to the size of the window)
• Double page spread view (show two images simultaneously)
  • Bound to the right side (e.g. Japanese Style)
• Pages' pre-loading (since v0.2.0)
• Exif Information (since v0.3.0)
• Open location of the current image with Windows Explorer
• Put the current image into your mailer
• Shader Program Filters (since v0.5.1):
  • Nearest Neighbor
  • Bilinear
  • Bicubic by GPU (obsolete since v0.9.3)
  • Lanczos (obsolete since v0.9.3)
  • Bicubic by CPU
  • Lanczos3 by CPU (since 1.0.9)
  • Lanczos4 by CPU (since 1.0.9)
• Catalog (since v0.6.0)
  • Database for your digital books, can manage thousands of volumes: quick view and search
• File Associations (since v0.8.3)
• Retouching (change Brightness, Contrast, Gamma value) (since 1.0.8).

You can perform screen operations with the main menu, toolbar, mouse button, wheel, keyboard, and so on.

• Operating System
  • Windows Vista, 7 or newer
  • Windows Sever 2008 or newer
  • Linux Distributions (Ubuntu, Kubuntu, Fedora, etc.)
• CPU
  • minimum Dual Core (the more the better; with internal or external GPU)
  • strongly recommended an x64 architecture
• RAM
  • more than 1GB of free memory.

• Portuguese/Hindu/Bengali/Malay speakers
• Mac/Linux software developers.

Public Project Issues: https://github.com/kanryu/quickviewer/issues

Please report issues along with configuration details of your QuickViewer's working installation at [email protected].

Your feedback is always welcome at KATO Kanryu <[email protected]>.

https://github.com/kanryu/quickviewer

To build from the source code, visit: HowToBuild.md.

This program is distributed in hopes to be useful and to be used, but WITHOUT ANY WARRANTY—without even implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See GNU General Public License for more details.

https://github.com/kanryu/quickviewer/blob/master/LICENSE