A simple-to-use lightweight image/photo viewer for Windows PC!

ImageGlass

ImageGlass

  -  33.6 MB  -  Open Source
  • Latest Version

    ImageGlass 10.0.4.819 LATEST

  • Review by

    Sophia Jones

  • Operating System

    Windows 10 (64-bit) / Windows 11

  • User Rating

    Click to vote
  • Author / Product

    Duong Dieu Phap / External Link

  • Filename

    ImageGlass_10.0.4.819_win-x64.msi

ImageGlass (64-bit) is a free and open-source image viewer designed for Windows users seeking a lightweight yet feature-rich alternative to the default Windows Photo Viewer.

ImageGlass Screenshot 1

Developed with speed and simplicity in mind, ImageGlass provides a fluid image browsing experience and supports over 80 image formats.

Its minimalist design and customizable UI make it a favorite among users who need a snappy viewer without the bloat of editing tools or unnecessary features.

It’s especially popular with photographers, graphic designers, and anyone who deals with large sets of images regularly.

Main Features

Wide Format Support: It supports 80+ image formats, including PNG, JPEG, BMP, GIF, TIFF, ICO, SVG, WEBP, HEIC, and RAW files.

Customizable UI: Choose from various themes and layouts. You can move or hide interface elements based on your workflow preferences.

Image Conversion: Quickly convert images between popular formats like JPG, PNG, BMP, and TIFF.

Slideshow Mode: Enables users to view entire folders in a slideshow presentation with optional delay timing.

Clipboard Support: Copy, paste, and drag-drop images easily within the app or into other programs.

Zoom and Rotate: Fast zooming, panning, rotating, and flipping images.

Extension System: Developers can extend ImageGlass through plugins or scripts, offering advanced customization for power users.

Language Packs: Supports multiple languages and easy localization.

User Interface

The app prides itself on a clean, intuitive interface. Upon opening the software, users are greeted with a simple viewer window displaying the image and a compact toolbar above it.

ImageGlass Screenshot 2

All essential controls—zoom, rotate, slideshow, full-screen, and conversion—are placed for quick access. Navigation buttons allow you to scroll through an entire folder seamlessly.

There's no clutter, and UI themes are available for those who prefer a dark mode or minimalist layout.

Installation and Setup
  • Download the 64-bit installer from the official website, FileHorse.com or Microsoft Store.
  • Launch the installer and follow the simple installation wizard.
  • Choose whether to make it your default image viewer.
  • Optional: Download additional themes or language packs from the official website.
The entire installation process takes under two minutes, and no bloatware or additional software is bundled in.

How to Use

Open Images: Drag and drop an image onto the app window, or use File > Open to browse.

Navigate Folders: Use arrow keys or toolbar buttons to move between images in the folder.

Zoom and Rotate: Use scroll wheel to zoom in/out, and toolbar buttons or keyboard shortcuts to rotate.

ImageGlass Screenshot 3

Switch Themes: Go to Settings > Theme to change the look and feel.

Convert Images: Click the image converter icon or go to Tools > Convert Image.

View Metadata: Access file properties and metadata under Tools > Image Info.

FAQs

Can ImageGlass open RAW files?
Yes, it supports various RAW image formats such as CR2, NEF, and ARW with the proper Windows codecs installed.

Is there any editing functionality in ImageGlass?
No. ImageGlass is an image viewer, not an editor. It focuses solely on viewing and basic manipulation like rotation and conversion.

Can I set ImageGlass as the default image viewer?
Yes. During installation or through the app settings, you can assign ImageGlass as the default image viewer for supported formats.

Is ImageGlass available for platforms other than Windows?
Currently, this software is only available for Windows operating systems. There are no official macOS or Linux versions.

Does ImageGlass support animated GIFs or WEBP?
Yes. The program plays animated formats like GIF and WEBP natively, with playback controls available.

Alternatives

IrfanView – Lightweight and fast with more editing features, but a dated UI.

XnView MP – Supports even more formats and batch processing.

FastStone Image Viewer – Good all-in-one viewer with editing and slideshow options.

Microsoft Photos – Default viewer in Windows 10/11, but slower and less format-friendly.

Pricing

The app is completely FREE and open-source. It is licensed under the GNU General Public License (GPL), and donations are accepted via the official website to support development.

System Requirements
  • OS: Windows 11 or Windows 10 (64-bit)
  • RAM: 2 GB or higher
  • CPU: 1 GHz or faster processor
  • Disk Space: ~50 MB for installation
  • Display: 1024x768 resolution or higher
PROS
  • Free and open-source
  • Supports 80+ image formats
  • Fast and lightweight
  • Customizable interface
  • No ads or bloatware
CONS
  • No image editing tools
  • Windows-only
  • Limited plugin ecosystem
  • Advanced features may require third-party codecs
Conclusion

ImageGlass (64-bit) is an excellent image viewer for Windows users looking for speed, simplicity, and wide format support. It strips away unnecessary complexity and delivers a smooth, hassle-free experience for browsing images.

While it lacks editing tools, it excels as a pure viewer, and its extensibility, theming, and responsive performance make it a top choice among power users and casual viewers alike.

Note: Requires .NET Framework.

Also Available: ImageGlass (32-bit)

Why is this app published on FileHorse? (More info)
  • ImageGlass 10.0.4.819 Screenshots

    The images below have been resized. Click on them to view the screenshots in full size.

    ImageGlass 10.0.4.819 Screenshot 1
  • ImageGlass 10.0.4.819 Screenshot 2
  • ImageGlass 10.0.4.819 Screenshot 3
  • ImageGlass 10.0.4.819 Screenshot 4
  • ImageGlass 10.0.4.819 Screenshot 5

What's new in this version:

New:
core: Introduce Classic and Pro edition:
core: Added trust-based License management:
- Access via main menu > Help, or app Settings
- Option to export license file for Pro Store release
- core: Pro edition only ⭐
- Main Menu > Tools: Added HDR Tone Mapper tool
- Settings > Mouse: Added support for custom mouse click actions
- Settings > Image: Added File watcher options
- Settings > Viewer: Added Free Panning and Panning Margin option
- igconfig.json: Added support for settings lock using igconfig.admin.json
- igconfig.json: Added support for features lock using LockedFeatures setting

core: Added Settings > Image > Browsing modes:
- Turbo (default): Super-fast advancing images in the list
- Sequential: Only advance image after the previous one is fully rendered
- core: Added option to clear thumbnails cache in Gallery setting
- core: Added option to see what is sent to server during Update check in Settings > General
- core: Added support for creating custom action with App APIs
- core: Added support for portable mode with a marker file .igportable located in startup folder
- Not avaiable for Pro Store and MSIX package because the install folder is read-only
- win: Added new extension icon pack
- Not available for Store release due to sandbox limitations

Improved:
- core: Improved the default tone curve for HDR tone mapping
- core: Improved plugin support
- ImageGlass.SDK: Added support for encoding codec plugins
- Settings > Plugins: Allowed users to choose which file types to open and save with plugin
- Settings > File type associations: Displayed plugin name used for decoding or encoding
- Save file picker dialog: Displayed plugin name used for encoding
- Export frames: Used current plugin decoder to extract image frames
- Displayed error when a plugin fails to install
- core: Added support for rendering multi-frame / animated image formats with variable frame size
- core: Improved mipmap tiles loading asynchronously
- core: Reduced gallery I/O and improve responsiveness
- core: Auto-scaled down the image if its dimension is bigger than what could render
- core: Double-click to zoom: constrain image within viewport

win: Improved Default photo viewer setting:
- MSIX: Auto-register supported file types
- ZIP: Auto-detect scope (per-user or per-machine) when register/unregister the supported file types
- Not available for Pro Store release due to sandbox limitations

Fixed:
- core: Half-pixel rendering issue when the viewport-minus-image size difference was an odd number of device pixels
- core: Photo was reloaded when dragging app window to different monitor
- core: VRAM leaked when panning large images
- core: Could not see app window if the window bounds value from config file too small
- core: Child window was always behind app main window in top most
- core: Thumbnails generator ignored plugin decoder
- core: Could not change language of Toolbar and main menu
- core: Crashed when setting slideshow interval to 0
- core: Browsing always displays images of hidden folders
- core: Show app icon setting didn't work
- core: Gallery state restored incorrectly when toggling Full screen mode
- mac/linux: Slideshow notification sound didn't work
- win: Moving sibling folder didn't restore explorer shell order
- win: Could not open Share dialog
- win: Keyboard shortcuts are intercepted by Chinese IME
- win: Thumbnail size and scaling incorrectly when EnableGalleryShellThumbnail=true
- linux: Single-instance did not work
- linux: Could not open output dir after exporting frames
- misc: Dead Crowdin invite link in CONTRIBUTING