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
libwebp
DLL: libwebp.dll, libsharpyuv.dll, libwebpdemux.dll
kanaxs C# 拡張版 1.0.2
Changelog
45.0
(2026-02-16)
Important changes
Important
Installer version: The installation type has been
changed to Per-User.
The installation type has been changed to per-user, and administrator
privileges are no longer required for installation.
The previous per-machine installation cannot coexist and must be
uninstalled first. If an older version is already installed, a dialog
box prompting you to uninstall will be displayed and the installation
process will be aborted. User data will remain even after
uninstallation, so it will be carried over, but we recommend backing it
up by exporting it just in case.
Context menu registration to Explorer is done in the settings window,
just like the ZIP version.
Added
- Language: Added Spanish (#1820)
- System: Automatically update broken links such as bookmarks to the
same NTFS local drive. This also applies to changes made when the app is
not running. (#1784)
- Views: Added WebP animation support (#1798)
- View: Added hover scroll sensitivity setting (Settings > Mouse
Settings > Hover Scroll Sensitivity) (#1804)
- View: Added a setting to keep the main view window on top
(Preferences > Main view > MainView window stays on top when
possible) (#1706)
- View: Add time priority setting to slideshow (Settings >
Slideshow > Prioritize time) (#1843)
- View: Added a setting to set the magnification of the loupe to the
original size (Settings > Loupe > Magnification is based on the
original size) (#1347)
- Address bar: Add a settings button to the address bar (#1788)
- Address bar: Added setting to show bookmark dialog in address bar
(Settings > Menu bar) (#1824)
- Settings: Added file association settings. Icons can also be
changed. Only available in the ZIP and installer versions. (Settings
> Explorer) (#1697, #1717)
- Bookshelf: Added “Automatically synchronize the folder tree” to
Bookshelf settings (Settings > Bookshelf) (#1295)
- Bookshelf: Added a preferred image filename setting for book
thumbnails. By default, it is set to “folder.jpg” (Settings > Book
> Preferred image filename for book thumbnail) (#1853)
- Bookshelf: Allows individual book thumbnails to be specified
(Bookshelf item context menu) (#389)
- Bookshelf: Bookshelf sorting and thumbnail settings are now saved in
Folders.json.
Changed
- System: Changed to .NET 10 based. (#1839)
- System: Prevent duplicate entries in history etc. due to differences
in case of UNC paths (#1778)
- System: Changed the path of the thumbnail cache for symbolic links
to the path of the symbolic link itself (#1803)
- Books: Change page exclusion patterns to regular expressions (#1844)
- Books: Fix to not reopen a book when opening a page of the same book
in a playlist (#1775)
- Book: Support for deleting and renaming pages in playlist books (#1805)
- View: Optimized resize filter application timing (#1799)
- View: Reduced playback delay when moving video position (#1774)
- View: Apply EXIF Orientation to RAW images (#1813)
- Filmstrip: Changed the centering of the filmstrip to always center
the view (#1845)
- Panel: Number of items and search box display for each panel can now
be configured from the respective detail menus (#1835)
- Bookmarks: Added confirmation dialog when deleting invalid bookmarks
(#1854, #1857)
- Playlist: Added confirmation dialog when deleting disabled playlist
items (#1854, #1857)
- History: For books with only one page, the history is now registered
when you try to move beyond the page (#1776)
- Settings: Preset options are now card-like (#1789)
- Settings: Added “Page read order” to welcome dialog
Fixed
- System: Fixed a bug where the menu shortcut display did not change
when switching commands with the slider direction (#1828)
- Book: Fixed a bug where deleted pages could reappear (#1807)
- Book: Fixed a bug that prevented symbolic link images from being
displayed in the playlist book.
- Views: WebP with alpha now displays correctly (#1822)
- View: Prevent the main view window from momentarily appearing in
front when restored (#1815)
- View: Fixed bug where Unsharp Mask slider operation was not
reflected immediately (#1830)
- View: Fixed a bug in detecting semi-transparent images (#1825)
- View: Fixed a bug where resize filters were not working for some
image formats (#1809)
- View: Fixed a bug (#1821) where a
white line would sometimes appear on the edge when changing from full
screen to maximized window.
- Panel: Fixed HOME/END key behavior when panel thumbnails are
displayed (#1817)
- Bookshelf: Fixed an issue where the quick list in the Home button
menu might not display fully (#1869)
- Bookmarks: Fixed a bug where renaming in the bookmark panel was
sometimes not possible. Renaming in the bookmark panel no longer opens a
book (#1811)
- PageList: Fixed a bug where page list thumbnails sometimes did not
load (#1816)
- PageList: Fixed an issue where folders and compressed files were not
distinguished (#1868)
- History: Fixed a bug where history information was not updated when
opening a book from history (#1818)
Please see here
for the previous change log.