It supports a wide range of image formats, including various RAW image formats, and also provides slideshow with different settings to choose from. For starters, the interface is fairly simple and clean, with basic controls available right up front. HoneyView takes a simplistic approach compared to some of the other image viewer apps in this article, making it more like an alternative to the Microsoft Photo Viewer. Moreover, you also get dedicated settings for different features, which you can change to have a personalized experience. Furthermore, the developer claims the app to offer support for over 500 image formats, which is quite impressive. You get a range of different image viewing modes such as thumbnail, full screen, filmstrip, etc just like ImageGlass, alongside the ability to perform a range of different operations like crop, resize, apply filters, change brightness/contrast, and more.Īmong other things, XnView also provides you metadata support, the ability to perform batch operations, and create slideshows and thumbnail galleries. Besides being a mere image viewer, the app also offers you the option to browse and convert images on your Windows machine. If you are looking for an image viewer that offers a one-stop solution for different image-operation needs, XnView offers you just that. The app comes with different view options, along with the option to view image properties and run slideshows, with different customizing options. What’s more, ImageGlass offers quick thumbnail preview, slideshow, image conversion into 10 different formats, and gives you the option to change different app settings as per your liking. For instance, you get auto-zoom, scale to fit, scale to fill, etc as some of the zoom modes, and window fit, frameless, fullscreen, and slideshow, as different window modes. It claims to support over 70 different image formats (including GIF) and provides various zoom and window modes. The app offers a clean and lightweight interface that loads instantly and is fairly easy-to-use. Being open-source means that, in addition to using the app as it is, you also get to enjoy the benefits of being able to modify it as per your requirements. ImageGlass is one of the open-source image viewer apps for Windows.

Open source image viewer