gThumb Alternatives for Windows

A versatile and powerful photo viewer, image management, image resize developed by XnSoft. The XnView MP image viewer is a free software for macOS, Linux and Windows. The software consist of a photo viewer and a photo editor. With the photo viewer you can view browse photos in thumbnail, fullscreen and filmstrip view and compare images and manage EXIF, IPTC, XMP meta data. The photo editor can be used to resize, rotate and crop photos or adjust brightness, contrast and color while applying filters and effects to images. 

IrfanView is a commercial image viewer and editor that can be used to orginize and convert images for Microsoft Windows. The application can handle video and audio files, while providing basic image editing capabilities. IrfanView is free for non-commercial use, while commercial use requires payment.

FastStone Image Viewer is a free image browser, converter and editor that supports common graphic formats such as BMP, JPEG, JPEG 2000, GIF, PNG, PCX, TIFF, WMF, ICO, TGA and raw files. FastStone Image Viewer is available for Microsoft Windows.

Windows Photo Viewer is an image viewer developed by Microsoft that was included with the Windows NT family of operating systems. Windows Photo Viewer was first iintroduced with Windows XP and Windows Server 2003 under its former name. It was temporarily replaced with Windows Photo Gallery in Windows Vista, but was resurfaced in Windows 7.

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ACDSee Photo Studio is an image organizer, viewer, and photo editing application for iOS, macOS and Windows. ACDSee provides all necessary tools for professional photo editing and unrivalled file management capabilities for finding, sorting, moving, organizing, and sharing. Everything you need to master your photography workflow is provided by ACDSee Photo Studio, and available out-of-the-box.

With Phototheca you can simplify the management of your digital assets, be it photos or videos. Phototheca is an media viewer and management tool used by professionals and hobbyists alike. Phototheca offers a plethora of features including photo editing tools, password protected safe-boxes, metadata support, instant search, and much more.