Description
An image viewer that allows you to browse images in folders and
compressed files like a book. Powerful customization is available.
- Supported image format (bmp, jpg, gif, tiff, png, ico, WIC
image)
- Compressed file support (zip, rar, 7z, lzh, cbr, cbz, cb7, …)
- Recursive compressed file support
- PDF support
- Video play support
- Touch operation supported
- Mouse gesture supported
- Key customization, gesture setting
- Movement, rotation, scaling by dragging
- Loupe mode
- Facing mode
- Full screen mode
- Slide show
- Susie plugin support
- Image drop from web browser
- Command extension by scripts
System Requirements
- Windows 10 64bit or higher
About ZIP Version
Portable package.
- No installation required, just extract the Zip and run
“NeeView.exe”.
- User data such as configuration files are stored in the “Profile”
folder.
- Uninstallation is simply a matter of deleting the file.
Note
Explorer-related settings use the registry. These settings do not
disappear even if the application is deleted, so please turn them off in
the settings before deleting.
Portal Site
Create your issue on GitHub.
Or comment on our blog.
License
MIT License
Copyright (c) 2016-2025 Ito Mitsuhiro (nee)
Permission is hereby granted, free of charge, to any person obtaining
a copy of this software and associated documentation files (the
“Software”), to deal in the Software without restriction, including
without limitation the rights to use, copy, modify, merge, publish,
distribute, sublicense, and/or sell copies of the Software, and to
permit persons to whom the Software is furnished to do so, subject to
the following conditions:
The above copyright notice and this permission notice shall be
included in all copies or substantial portions of the Software.
THE SOFTWARE IS PROVIDED “AS IS”, WITHOUT WARRANTY OF ANY KIND,
EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
Third-Party Licenses
7-Zip
DLL: 7z.dll
SevenZipSharp
DLL: SevenZipSharpNE.dll
Material design icons
ICON: ic_help_24px, etc…
WPFDragAndDropSample
Code-in:
PDFium
DLL: pdfium.dll
PdfiumViewer
DLL: PdfiumViewer.dll
MagicScaler
DLL: PhotoSauce.MagicScaler.dll
.NET corefx
DLL: System.Buffers.dll, etc…
- Copyright (c) .NET Foundation and Contributors
- URL: .NET
- License: MIT
License
Icon Fonts
ICON: pushpin, etc…
VirtualizingWrapPanel
SharpVectors
DLL: SharpVectors.*.dll
ProcessJobObject
Code-in:
- Copyright (c) Microsoft Corporation. All rights reserved.
- URL: VSTest
- License: MIT
License
Microsoft.Xaml.Behaviors.Wpf
DLL: Microsoft.Xaml.Behaviors.dll
Jint
DLL: Jint.dll
DLL: Esprima.dll
DLL: MetadataExtractor.dll
DLL: XmpCore.dll
- Copyright (c) 2009, Adobe Systems Incorporated All rights
reserved.
- Copyright 2015-2017, Yakov Danila, Nathanael Jones, Drew Noakes
- URL: xmp-core-dotnet
- License: BSD
3-Clause License
DLL: MediaInfo.dll
Vlc.DotNet
AnimatedImage
DLL: AnimatedImage.dll, AnimatedImage.Wpf.dll
NetBeauty 2
VirtualizingWrapPanel
DLL: VirtualizingWrapPanel.dll
kanaxs C# 拡張版 1.0.2
Changelog
44.1
(2025-08-30)
Fixed
- Fixed an issue where some images displayed color distortion when
using SusiePlugin. (#1796)
- Fixed an issue where shuffle order was not restored when restoring
books. (#1801)
- Mitigate issues that may cause import failures. (#1802)
44.0
(2025-08-15)
Added
- Language: Russian added.
- System: Added “Search depth for generating book thumbnail” setting.
(Settings > Book)
- System: Added “Number of recent books” setting. (Settings >
History)
- AppSettings: Added app setting to create a temporary folder in the
profile. For details, refer to the App
Configuration File.
- Command: “Next playlist” and “Prev playlist” commands added.
Switches between playlists.
- Command: Added the ability to specify the destination bookmark
folder in the “Toggle bookmark” command parameters.
- Command: Added “Register bookmark” command. Calls up the Bookmark
Registration dialog.
- Command: Added “Select Archiver” command. Selects the archiver that
opens the current book.
- Command: Commandize “Recently books.”
- Settings: Added a reset button to each settings page.
- Book: Password support for archives. Only valid when using
7z.dll.
- View: Added “Start with movement locked” setting. (Settings >
View operation)
- View: Added setting to display only icons while loading books.
(Settings > Notification > Show Now Loading)
- Panels: Added top and bottom margin size settings for when side
panels overlap with menus, etc. (Settings > Panels)
- Panels: Added setting to enable/disable detailed pop-ups for panel
items. (Settings > Panels)
- Panels: Added plural form to relative date specification for search
keywords (e.g., -5days). Singular form (e.g., -5day) can still be used
as before.
- Bookshelf: Added the option to select Quick Access from the context
menu of the Home button.
- History: Thumbnail display of history, group display support.
- PageList: Group display support for page list.
- Playlist: Support for thumbnail display in playlist.
- Script: Add nv.OpenFileDialog() and nv.OpenFolderDialog().
- Script: Added WindowAccessor. Allows you to get/set window size,
etc.
- Script: Corresponds to the page end event OnPageEnd.nvjs.
Changed
- System: When restoring the bookshelf at startup, selected items are
now also restored.
- System: When both books and bookshelves are specified for
restoration at startup, the restoration information for each is
respected.
- System: Synchronization of saved data is now performed by file
monitoring rather than interprocess communication.
- System: Susie Plug-in Server has been AOT-ized. Installation of .NET
Runtime x86 is no longer required.
- System: The thumbnails cache retention period can now be edited
directly. (Settings > Thumbnail)
- System: Changed the “Use natural sort” setting to “Name order type”
to enable sorting by “Character code order.” (Settings >
General)
- Susie: Only valid Susie plugins are loaded.
- Settings: Organize the order of pages in the settings menu.
- Settings: New context menu editing based on drag-and-drop
editing.
- Settings: Display point size in font size settings.
- Printing: Printing settings are now saved. However, printer settings
are not saved and are only maintained while the app is running.
- Book: Changed the “Sort pages by file first” setting to “Folder sort
order.” (Settings > Book)
- Book: Restored the order of pages when the order is set to
“Shuffle.”
- View: Enabled cursor movement without restrictions while using the
loupe.
- View: In hover scroll, the initial position is now immediately
reflected when switching pages.
- AddressBar: Address is now displayed as a breadcrumb bar.
- AddressBar: Changed so that the bookmark registration dialog box is
displayed when the bookmark button on the address bar is clicked.
- Menu: Removed “Bookmark” from the menu and added “Book.”
- Panels: Added the ability to set automatic hiding of side panels
separately for the left and right panels.
- Panels: If there are no icons in the sidebar, hide it.
- Panels: Suppress continuous display of tooltips.
- Panels: Added display of drag insertion position in list.
- Panels: When searching for “/bookmark,” exclude bookmark
folders.
- Bookshelf: Display addresses as breadcrumb bar.
- Bookshelf: Changed the “Sort without types” setting in the bookshelf
to “Folder sort order” and made it possible to specify the sort position
of folders. (Settings > Bookshelf)
- Bookshelf: Restored the order of books when the order is set to
“Shuffle.”
- Bookshelf: Quick access adapted to hierarchy.
- Bookshelf: Added the location of each item to the tooltips for
bookshelf search results.
- History: Direct editing of retention period and number of entries
now possible. (Settings > History)
- History: When closing the app, the history is saved regardless of
the number of page changes.
- Bookmark: You can now change the names of bookmarks. The actual file
names will remain unchanged.
- Bookmarks: Manual sorting is now possible only when the sorting
order is set to “Entry.”
- Playlist: Supports manual sorting.
- Slideshow: Minimum transition time limited to 0.1 seconds.
- Script: Made it possible to change Name in BookItemAccessor.
Fixed
- System: Fixed a bug where the bookshelf would sometimes be restored
to the root folder of the bookmarks when starting up.
- System: Fixed an issue where window size might not be adjusted
properly.
- Susie: Fixed a bug where short path names were not used for
archives.
- Printing: Fixed a bug where margin settings were not reflected in
the preview.
- Panels: Fixed a bug where the drag display and drag content
sometimes differed.
- Bookshelf: Fixed a bug where the bookshelf item selection was
deselected when deleting a ZIP file page.
- Script: Fixed a bug where script command arguments were not
passed.
Please see here
for the previous change log.