Open Source Image Viewers for Windows

All apps in Open Source Image Viewers for Windows category. Use the filters below to narrow down your search. 
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  1. nomacs icon
     241 likes

    nomacs is a free, open source image viewer, which supports multiple platforms. You can use it for viewing all common image formats including RAW and psd images.

    Cost / License

    Application types

    Platforms

    • Mac
    • Windows
    • Linux
    • FreeBSD
    • Flathub
    nomacs screenshot 1
    nomacs screenshot 1
    nomacs screenshot 2
    +1
    nomacs screenshot 3
    96 alternatives
    4.6
    Excellent28 reviews
  2. PhotoPrism icon
     116 likes

    PhotoPrism® is an AI-Powered Photos App for the Decentralized Web. It makes use of the latest technologies to tag and find pictures automatically without getting in your way. You can run it at home, on a private server, or in the cloud.

    Cost / License

    • Freemium
    • Open Source

    Platforms

    • Mac
    • Windows
    • Linux
    • DigitalOcean
    • Self-Hosted
    • FreeBSD
    • Raspberry Pi
    • Docker
    Whether you're using a phone, tablet, or desktop computer, our intuitive PWA provides a native app-like experience.
    Five high-resolution World Maps and our privacy-preserving geocoding service help bring back memories of your favorite trips and let you explore the world.
    Metadata can be extracted and merged from Exif, XMP, and proprietary sources such as Google Photos.
    +6
    Our intuitive PWA provides a native app-like experience and can be easily installed on your home screen.
    122 alternatives
    4.6
    Excellent10 reviews
  3. qView icon
     80 likes

    Efficient image viewer with cross-platform support, offering a minimal, fast interface suitable for Windows, macOS, and Linux users.

    Cost / License

    Application type

    Platforms

    • Mac
    • Windows
    • Linux
    • Flathub
    qView screenshot 1
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    +1
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    110 alternatives
    4.3
    Very Good21 reviews
  4. QuickLook icon
     81 likes

    The Quick Look feature from Mac OS X, which allows users to preview file contents quickly by pressing the Space key, is missed. Windows doesn't have this feature. While alternatives like WinQuickLook and Seer exist, the decision was made to create a new version because the...

    Cost / License

    Application type

    Platforms

    • Windows
    Preview of a shapefile (.shp) using the shapefile viewer plugin https://github.com/birderyu/QuickLook.Plugin.ShapefileViewer
    Preview of a PDF file
    Preview of a .docx file using the office plugin at https://github.com/QL-Win/QuickLook.Plugin.OfficeViewer
    +16
    Preview of an excel .xlsx file using the office plugin at https://github.com/QL-Win/QuickLook.Plugin.OfficeViewer
    20 alternatives
    5.0
    Excellent11 reviews
  5. PicView icon
     48 likes

    PicView is a fast, free and fully customizable picture viewer for macOS and Windows 10/11. It supports virtually all image file types, including (animated) WEBP, (animated) GIF, SVG, AVIF, HEIC, PSD and many others.

    Cost / License

    • Free
    • Open Source

    Application types

    Platforms

    • Windows
    • Mac
    Minimalist dark theme
    An overview of the UI
    Change between dark or light theme and hide the UI
    +4
    View an image information window which will update as you browse through images. Set EXIF rating, optimize image and rename/move files.
    63 alternatives
    4.1
    Very Good12 reviews
  6. JPEGView icon
     145 likes

    Lightweight Simple Image Viewer with Slide show feature, Resize and Lossless-cut, Color correction, Rename, Multi-language and more...

    Cost / License

    • Free
    • Open Source

    Application types

    Platforms

    • Windows
    • PortableApps.com
    Very simple. Only a title bar other than the picture.
    JPEGView screenshot 1
    138 alternatives
    4.4
    Very Good17 reviews
  7. qimgv icon
     41 likes

    Qt5 image viewer with optional video support. Ability to quickly copy / move images to different folders. Can open some extra formats (JPEG-XL, AVIF, APNG, HEIF/HEIC, RAW) via third-party image plugins.

    Cost / License

    Application types

    Platforms

    • Windows
    • Linux
    qimgv screenshot 1
    qimgv screenshot 1
    qimgv screenshot 2
    +1
    qimgv screenshot 3
    113 alternatives
    4.7
    Excellent13 reviews
  8. Hydrus icon
     52 likes

    A personal booru-style media tagger that can import files and tags from your hard drive and popular websites. Content can be shared with other users via user-run servers.

    Cost / License

    • Free
    • Open Source

    Application type

    Platforms

    • Mac
    • Windows
    • Linux
    • Wine
    • Flathub
    • Flatpak
    Hydrus screenshot 1
    Hydrus screenshot 1
    Hydrus screenshot 2
    +8
    Hydrus screenshot 3
    19 alternatives
  9. SageThumbs icon
     61 likes

    SageThumbs is a Windows Explorer context menu extension allowing Windows users to preview enormous amounts of image formats directly within Windows Explorer.

    Cost / License

    Application type

    Alerts

    • Discontinued

    Platforms

    • Windows
    • Windows Explorer
    SageThumbs screenshot 1
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    18 alternatives
  10. BeeRef icon
     23 likes

    BeeRef lets you quickly arrange your reference images and view them while you create. Its minimal interface is designed not to get in the way of your creative process.

    Cost / License

    Application type

    Platforms

    • Mac
    • Windows
    • Linux
    BeeRef screenshot 1
    9 alternatives
  11. Allusion icon
     21 likes

    Designed to complement PureRef, Allusion is a Visual Library for reference images, with watched folders, image tagging, and advanced search features. Allusion helps you organise your images and keep them under your control.

    Cost / License

    Application types

    Alerts

    • Discontinued

    Platforms

    • Mac
    • Windows
    • Linux
    Allusion screenshot 1
    Allusion screenshot 1
    Allusion screenshot 2
    5 alternatives
  12. NeeView icon
     24 likes

    NeeView is a Free and Open Source, modern and powerful image viewer and a manga/comic reader that has high quality scaling options and many different customization options.

    Cost / License

    • Free
    • Open Source (MIT)

    Platforms

    • Windows
    Main Program Window
    Settings Window
    Hotkey Customization (Gestures-Mouse-Touch)
    55 alternatives
  13. Image Max URL icon
     7 likes

    A browser extension and userscript that finds larger or original versions of images for thousands of supported websites

    Cost / License

    Application type

    Platforms

    • Mac
    • Windows
    • Linux
    • Online
    • Google Chrome
    • Greasy Fork
    • Opera
    • Firefox
    Image Max URL screenshot 1
    9 alternatives
  14. Fly Photos icon
     3 likes

    Fly Photos is a blazing-fast, ultra-lightweight photo viewer for Windows that revives the beloved user experience of the discontinued Google Picasa Photo Viewer . Designed as an ideal replacement, it offers immediate loading of large images — including raw files over 100?

    Cost / License

    • Free
    • Open Source

    Application type

    Platforms

    • Windows
    Fly Photos screenshot from the official GitHub repo as of 9th October 2025
    Old Fly Photos screenshot
    Dashboard
    56 alternatives
  15. QuickViewer icon
     20 likes

    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.

    Cost / License

    Alerts

    • Discontinued

    Platforms

    • Windows
    • Linux
    QuickViewer screenshot 1
    QuickViewer screenshot 1
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    +3
    QuickViewer screenshot 3
    111 alternatives
  16. Chafa icon
     4 likes

    Chafa is a command-line utility that converts image data, including animated GIFs, into graphics formats or ANSI/Unicode character art suitable for display in a terminal. It has broad feature support, allowing it to be used on devices ranging from historical teleprinters to...

    Cost / License

    Application type

    Platforms

    • Windows
    • Linux
    Chafa screenshot 1
    Chafa screenshot 1
    Chafa screenshot 2
    +1
    Chafa screenshot 3
    4 alternatives
  17. Hover Zoom+ icon
     8 likes

    Hover your mouse over any image on the supported websites and the extension will automatically enlarge the image to its full size, making sure that it still fits into the browser window.

    Cost / License

    • Free
    • Open Source (MIT)

    Application type

    Platforms

    • Mac
    • Windows
    • Linux
    • Google Chrome
    • Firefox
    Hover Zoom+ screenshot 1
    Hover Zoom+ screenshot 1
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    +1
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    13 alternatives
  18. Oculante icon
     4 likes

    A no-nonsense hardware-accelerated image viewer. Oculante's vision is to be a fast, unobtrusive, portable image viewer with wide image format support, offering image analysis and basic editing tools.

    Cost / License

    • Free
    • Open Source (MIT)

    Application types

    Platforms

    • Linux
    • Mac
    • Windows
    • Flathub
    • Flatpak
    • FreeBSD
    • BSD
    • NetBSD
    Oculante screenshot 1
    Oculante screenshot 1
    61 alternatives
  19. Vipsdisp icon
     3 likes

    Vipsdisp can display huge (many, many gigabyte) images quickly and without using much memory. As well as the usual PNG, JPG, TIF, PDF, SVG, WEBP, JP2, JXL and GIF, it supports many scientific and technical image formats, including SVS, MRXS, OpenEXR, FITS, Matlab, NIfTI...

    Cost / License

    • Free
    • Open Source (MIT)

    Application type

    Platforms

    • Windows
    • Linux
    • Flathub
    • Flatpak
    • Mac
    • Homebrew
    Even very large images open quickly
    Visualization tools let you explore technical images
    Save as lets you change image formats, and supports features like image pyramids
    +1
    Animated images with alpha channels are also supported
    53 alternatives
  20. “Smart SVG Viewer” is a free, fast and convenient SVG image viewer with Thumbnail Gallery and Transparency Grid. It is a must-have tool for UI/UX design, Web design, and Graphic design.

    Cost / License

    • Free
    • Open Source

    Application type

    Platforms

    • Windows
    Smart SVG Viewer screenshot 1
    33 alternatives