Browse free open source Image Viewers and projects for Windows below. Use the toggles on the left to filter open source Image Viewers by OS, license, language, programming language, and project status.

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  • 1
    SageThumbs

    SageThumbs

    Powerful Windows shell extension allowing to preview images.

    SageThumbs is a powerful shell extension allowing to preview enormous amount of image formats directly in Windows Explorer by using Pierre-e Gougelet's GFL library (XnView's author). Please read carefully the following information: As SageThumbs is a Windows Explorer context menu extension, there is no an executable file that you should launch to bring it up. To use it, just open any folder with image files in Windows Explorer, and then right-click a file you want to preview. You'll see the thumbnail immediately in the context menu. System Requirements: * Windows XP/2003/Vista/2008/7/2012/8/8.1 32/64-bit * About 5 Mb of disk space + additional space for cache
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    Downloads: 4,167 This Week
    Last Update:
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  • 2
    GPXSee

    GPXSee

    GPS log file viewer and analyzer

    GPS log file viewer and analyzer with support for GPX, TCX, KML, FIT, IGC, NMEA, SLF, SML, LOC, GPI, GeoJSON and OziExplorer files.
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    Downloads: 2,207 This Week
    Last Update:
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  • 3
    JPEGView - Image Viewer and Editor

    JPEGView - Image Viewer and Editor

    Lean and fast image viewer with minimal GUI

    JPEGView is a lean, fast and highly configurable viewer/editor for JPEG, BMP, PNG, WEBP, TGA, GIF and TIFF images with a minimal GUI. Basic on-the-fly image processing is provided - allowing adjusting typical parameters as sharpness, color balance, rotation, perspective, contrast and local under-/overexposure.
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    Downloads: 1,180 This Week
    Last Update:
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  • 4
    MComix

    MComix

    GTK+ comic book viewer.

    MComix is a user-friendly, customizable image viewer. It is specifically designed to handle comic books (both Western comics and manga) and supports a variety of container formats (including CBR, CBZ, CB7, CBT, LHA and PDF). MComix is a fork of Comix.
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    Downloads: 588 This Week
    Last Update:
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  • 5
    mrViewer

    mrViewer

    Flipbook, Image Viewer and Audio-Video Player

    This project is no longer active. It has been replaced by mrv2 at: www.sourceforge.net/p/mrv2 A video player, interactive image viewer, and flipbook for use in VFX, 3D computer graphics and professional illustration.
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    Downloads: 81 This Week
    Last Update:
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  • 6
    Gallery

    Gallery

    Intuitive web based photo gallery

    A slick, intuitive web based photo gallery. Gallery is easy to install, configure and use. Gallery photo management includes automatic thumbnails, resizing, rotation, and more. Authenticated users and privileged albums make this great for communities
    Downloads: 45 This Week
    Last Update:
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  • 7
    Kokua viewer

    Kokua viewer

    Kokua is a V3 based open source metaverse viewer project.

    Kokua is an open source metaverse viewer project based on the Second Life Viewer source. Disclaimer: This software is not provided or supported by Linden Lab, the makers of Second Life. The goal of Kokua is to greatly improve the usability of the Viewer through community involvement, thoughtful design, modern development methods, and a pro-change atmosphere.
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    Downloads: 223 This Week
    Last Update:
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  • 8
    DiffImg

    DiffImg

    Simple image comparison tool

    DiffImg is a simple image comparison tool which take two images with the same size as input. Some statitics are computed and the positions where pixel differ are displayed as a color mask.
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    Downloads: 42 This Week
    Last Update:
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  • 9
    PicView

    PicView

    Fast, free and customizable picture viewer

    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. Additional features includes viewing EXIF metadata, image compression, batch resizing, viewing images within archives and comic books, image effects, image galleries, and more. Enjoy a clean, free, and fast experience with no annoying pop-ups, and zero tracking. It works out of the box — or you can customize it to your needs. Available in portable and installable versions.
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    Downloads: 144 This Week
    Last Update:
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  • 10
    Imprudence viewer

    Imprudence viewer

    Imprudence is an open source metaverse viewer project.

    Imprudence is an open source metaverse viewer project based on the Second Life Viewer source. The goal of Imprudence is to greatly improve the usability of the Viewer through community involvement, thoughtful design, modern development methods, and a pro-change atmosphere.
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    Downloads: 80 This Week
    Last Update:
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  • 11
    Album Shaper strives to be the most friendly, easy to use, cross platform application for organizing, annotating, framing, enhancing, stylizing, and sharing your digital photos.
    Downloads: 18 This Week
    Last Update:
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  • 12
    JSmol

    JSmol

    JavaScript-Based Molecular Viewer From Jmol

    JSmol is the extension of the Java-based molecular visualization applet Jmol (jmol.sourceforge.net) as an HTML5 JavaScript-only web app. It can be used in conjunction with the Java applet to provide an alternative to Java when the platform does not support that (iPhone/iPad) or does not support applets (Android). Used in conjunction with the Jmol JavaScript Object (http://wiki.jmol.org/index.php/Jmol_Javascript_Object), JSmol seamlessly offers alternatives to Java on these non-Applet platforms. JSmol can read all the files that Jmol reads. You can do all the scripting that Jmol does. You can create all the buttons and links and such that you are used to creating for Jmol. All of the rendering capability of the Jmol applet is there. JSmol has both a console and a popup menu. JSmol is integrated fully with JSME and JSpecView. A "lite" version of JSmol provides minimal functionality (balls and sticks only) for extremely small-bandwith apps. Released 1/12/2013
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    Downloads: 14 This Week
    Last Update:
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  • 13
    nomacs Image Lounge

    nomacs Image Lounge

    nomacs is a fast and small image viewer

    nomacs is a free image viewer for windows, linux, and mac systems, which is licensed under the GNU Public License v3. nomacs is small, fast and able to handle the most common image formats including RAW images. NOTE: nomacs has moved: http://download.nomacs.org
    Downloads: 9 This Week
    Last Update:
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  • 14
    Kokua

    Kokua

    Kokua is a V3 based open source metaverse viewer project.

    Kokua is an open source metaverse viewer project based on the Second Life Viewer source. Disclaimer: This software is not provided or supported by Linden Lab, the makers of Second Life. The goal of Kokua is to greatly improve the usability of the Viewer through community involvement, thoughtful design, modern development methods, and a pro-change atmosphere.
    Downloads: 33 This Week
    Last Update:
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  • 15
    Media downloader
    Mediadownloader is an opensource software that lets you search, watch and download items with Google Image and YouTube. It grabs video streams while browsing with firefox (only linux). Videos can be converted automatically using ffmpeg.
    Downloads: 3 This Week
    Last Update:
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  • 16
    Photo Kiosk software suited for Mini-labs.Has intuitively simple and singular interface. Need a regular PC to run and can be fully customized (logos, appearance, languages, etc) for photo shop own style.
    Downloads: 4 This Week
    Last Update:
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  • 17
    LinPHA is an easy to use, multilingual, flexible photo/image archive/album/gallery written in PHP. It uses a SQL database to store information about your pictures. It comes with a HTML based installer, so you don't need experience in setting up SQL
    Downloads: 2 This Week
    Last Update:
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  • 18

    LDView

    Real-time 3D viewer for LDraw LEGO models with OpenGL acceleration.

    LDView is a 3D viewer for LDraw LEGO models with a focus on quality rendering with good performance. It also contains many features geared specifically toward LDraw part authoring.
    Downloads: 4 This Week
    Last Update:
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  • 19
    An IDE for people interested in Machine Vision/Image Processing. Written in Java, using JAI. It allows users to view image data and also provides a drag and drop environment that users can create/execute graphs of JAI operators.
    Downloads: 4 This Week
    Last Update:
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  • 20
    Karsten SlideShow is a playlist-based slide show program for picture and movie files on Windows. It offers flexible, item-related control over the presentation sequence, and runs shows in a window, the screen saver, or the desktop wallpaper.
    Downloads: 1 This Week
    Last Update:
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  • 21
    FreeImagePy is a FreeImage library python wrapper. It export the FreeImage library functions, so a python developer can simple use it into python programs. It need a compiled FreeImage library and ctypes for work.
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    Downloads: 3 This Week
    Last Update:
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  • 22
    A slide show for JPG, GIF, BMP, PNG, TIF, & WMF files; maximizes images without distortion. Folders can be selected at run time, or in advance with arguments or a .picshow file. File name, date of picture, and comment can optionally be shown with image.
    Downloads: 1 This Week
    Last Update:
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  • 23
    Yet Another PHP Image Gallery is a simple script that uses de GD library and designed for keeping on a web personal photo or image albums. Visitors tracking, user comments, no SQL required, web based admin tool, easy template system, multilingual.
    Downloads: 2 This Week
    Last Update:
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  • 24
    CycleAtlas is a cycling diary based on a custom road atlas. It can be used to store or to plan new rides. Functions includes generation of planimetry, profiles and route time tables of rides. A map editor is included, in order to create a custom road map
    Downloads: 0 This Week
    Last Update:
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  • 25
    DarkMaps is a program that reads images and builds a 3D map from them.
    Downloads: 0 This Week
    Last Update:
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