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QuickViewer Project

Introducing the application, manual, distribution

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QuickViewer is a graphic image viewer for comfortable browsing of many images.

This software performs reading of image data in advance. And drawing the imported image data on the screen with OpenGL. You can browse images with much smoother response than ever before.

QuickViewer is a free software lisenced under GPLv3.

in English / in Japanese


How to use

  1. Launch the application and display the window
  2. Select a menu on the main menu which choose a folder from the dialog, or Drag Drop a folder contains image files from Windows Explorer to the window
  3. A image loaded on the screen is displayed. Browse the images with the “←” or “→” button on the toolbar, the mouse wheel up/down, the forward button of the mouse, or the left and right edge click of the window


The latest version is release_version.

You can download from Release Builded Binary (Windows x86/x64)

You can also clone the latest source code from this repository.

External Reviews

Thanks for reviewers! :)


Normal Viewing(One Page View)

Normal Viewing

If Spread Viewing is off, the window shows one image.

Spread Viewing(Two Page View)

Spread Viewing

If Spread Viewing is on, the window shows two images on side by side.

JPEG EXIF Information

EXIF Information

It draws JPEG images with auto rotation which contained in EXIF Information. You can see images as long as taken picture with digital camera.

You can checkout EXIF Information of the current JPEG image which you have taken picture by a digital camera. Click right button on the image view, to be shown a context menu, select ‘Exif Information’ menu.

Checkout the location of the image file

You can checkout with Windows Explorer for the current image file. Click right button on the image view, to be shown a context menu, select ‘Open Explorer’ menu.


via v0.6.0, QuickViewer can make catalogs for your digital books and comics. click ShowCatalog and drop a folder which contains images

Manage Catalog

Then you can find your books in the Catalog. (the sample books from

Show Catalog

The Catalog can contain thousands of your books, but in spite of being instantly listed, you can search by text entry or by clicking on a tag.

The Catalog can also be displayed with the main window.

Embedded Catalog

Screen operations

You can do screen operations with the main menu, tool bar, mouse button, wheel, keyboard and so on.

Operation  Device Input Remarks
Next Page Keyboard Right Key(→)  
  Keyboard Space Key  
          Mouse Wheel Downword rotation  
          Mouse Forward Button   
Prev Page Keyboard Left Key(←)  
  Keyboard BackSpace Key  
          Mouse Wheel Upword rotation  
          Mouse Back Button  
First Page Keyboard Home Key  
Last Page Keyboard End Key  
Next Volume Keyboard Page Down Key open a folder/archive of neighbor
Prev Volume Keyboard Page Up Key open a folder/archive of neighbor
Fullscreen Keyboard F11 Key  
          Mouse Wheel Clicked as Center Button
          Keyboard ESC Key Fullscreen mode only
Exit App Keyboard ESC Key not Fullscreen mode only
Scale Up Keyboard Ten keys(+) do nothing with Fitting
Scale Down Keyboard Ten keys(-) do nothing with Fitting
Fitting Keyboard F12 Key  
  Keyboard Ten keys(-)  
Image to trash box Keyboard Delete Key Move the Image of current page to trash box
Copy Image Keyboard Ctrl+C Key Copy Image of current page

System Requirement

The final element.