ImageGlass is a fast, lightweight, and open-source image viewer designed for Windows. It provides a clean, modern interface and supports over 90 image formats, including modern types like HEIC, AVIF, and RAW.
In This Article
Quick Start Guide
Quick Start: Setting ImageGlass as Default Viewer
- Open ImageGlass Settings (Alt+S).
- Navigate to the ‘General’ tab.
- Click the ‘Set default photo viewer’ button.
- Follow the Windows prompts to associate ImageGlass with your preferred image file types.
What’s the benefit: Setting ImageGlass as the default viewer is important. It ensures you can open all supported image formats instantly. This is possible with its fast, lightweight engine.
Quick Start: Batch Converting Images
- Open an image in ImageGlass.
- Go to the Main Menu > Tools > Convert Image.
- Add all the images you wish to convert to the list.
- Select the desired output format (e.g., JPEG, PNG, WEBP) and destination folder.
- Click ‘Convert’ to process the entire batch.
What’s the benefit: The batch conversion tool allows you to quickly change the format of multiple files, which is essential for web optimization or compatibility.
Download
ImageGlass 9.4.1.15 for Windows 64-bit
ImageGlass 9.4.1.15 Portable for Windows 64-bit
Get ImageGlass from Microsoft Store
Easily install new themes and icon packs
What You Need
- Os: Windows 10/11 64-bit, version 1809 (build 17763) or later
Technical Specifications
| Software Name | ImageGlass |
|---|---|
| Version | 9.4.1.15 |
| License | Free (Open Source, GPL v3) for Classic version |
| File Size | 62.4MB |
| OS Support | Windows 10/11 64-bit |
| Language | Multi-language (via language packs) |
| Developer | Dương Diệu Pháp |
| Homepage | https://imageglass.org/ |
| Last Updated | Jan 02, 2026 |
Notable Features
- Extensive Format Support: View over 90 image formats, including JXL, AVIF, WEBP, SVG, HEIC, and various camera RAW files, ensuring broad compatibility without extra plugins.
- Basic Image Editing and Conversion: Perform essential tasks like rotating, flipping, cropping, and resizing images. It also includes a built-in tool for converting images to up to 10 different formats.
- Customization and Integration: Personalize the viewing experience with themes, custom layouts, and language packs. Seamlessly integrate third-party image editing tools for advanced tasks.
- Color Picker and Metadata Viewer: Utilize the built-in Color Picker tool to sample and convert colors to various formats, and view detailed EXIF metadata for photos.
New in This Version in Version 9.4.1.15
- Updated Magick.NET to v14.10.1.
- Fixed a crash issue on Windows 10 LTSC 2021 Compatibility.
- Corrected a typo for the image interpolation method from “Antisotropic” to “Anisotropic”.
For complete changelog, visit the official release notes.
Getting Started
Questions & Answers
Is the ImageGlass download free for commercial use?
Yes, the ImageGlass Classic version is free for both personal and commercial use under the GPL v3 license. The version available on the Microsoft Store is a paid option.
What is the minimum OS required for ImageGlass?
ImageGlass requires a 64-bit version of Windows 10 or Windows 11, specifically version 1809 (build 17763) or later.
Does ImageGlass support RAW camera files?
Yes, ImageGlass supports a wide variety of image formats, including many camera RAW formats, HEIC, and WEBP.
Other Options
| Feature | ImageGlass | IrfanView | XnView MP |
|---|---|---|---|
| Price | ✅ Free (Open Source, GPL v3) | ✅ Freeware (Non-commercial) / Paid (Commercial) | ✅ Free (Private/Educational) / Affordable Licenses (Commercial) |
| Platform | Windows (64-bit only) | Windows (XP to 11) | Windows, macOS, Linux |
| Open Source | ✅ Yes | ❌ No | ❌ No |
| Format Support | 90+ formats | Many (via plugins) | 500+ formats |
| Batch Processing | Basic (Conversion, resizing) | Advanced (Conversion, renaming, multithreading) | Powerful (Convert, Rename, Metadata Editing) |
| Built-in Editor | Basic (Rotate, Flip, Crop, Color Picker) | Yes (Paint tools, effects, red eye reduction) | Yes (Filters, effects, color adjustments) |
| Key Strength | Modern, minimal UI and native support for modern formats | Extremely lightweight and fast, extensive plugin ecosystem | Superior cross-platform support and digital asset management features |
| Our Pick | Best overall | Best for users needing the smallest footprint and maximum speed on older Windows versions. | Best for cross-platform users and those needing advanced photo management/batch tools. |
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