Top Alternatives to FastStone Image Viewer

IrfanView is a fast, compact, and innovative FREEWARE image viewer and editor for Windows. It supports numerous graphic formats and offers advanced features for batch processing, conversion, and basic image editing.

XnView is a versatile and free multimedia viewer, browser, and converter that supports over 500 image formats. It offers powerful batch processing capabilities for tasks like conversion, renaming, and resizing, making it an essential tool for managing large photo collections.

XnView MP is a powerful cross-platform media browser, viewer, and converter. It's the enhanced version of the classic XnView, offering a rich set of features for organizing, processing, and converting image files across various operating systems.

PhotoScape is a versatile and user-friendly photo editing software designed for beginners and enthusiasts alike. It offers a wide range of tools for organizing, fixing, and enhancing your digital photos with ease. From batch editing and animated GIFs to screen capturing and RAW conversion, PhotoScape provides a comprehensive suite for your everyday photo needs.

ACDSee is a powerful suite of software for Windows, macOS, and iOS, offering robust image organization, viewing, and editing capabilities. It provides a comprehensive workflow for photographers, from importing and managing large image libraries to detailed editing and sharing.

Preview is the native image and PDF viewer for macOS. It offers essential tools for viewing, annotating, and basic editing of these file types directly within the Apple ecosystem. Designed for efficiency and low resource use, Preview provides a seamless and integrated experience for handling common document and image formats on Mac computers.

gThumb is a versatile image viewer and organizer for the GNOME desktop environment. It offers a comprehensive suite of tools for browsing, managing, and performing basic edits on your photo collection. Beyond simple viewing, gThumb facilitates organizing images with tags, finding duplicates, and executing batch operations like renaming and format conversion, making it a practical choice for digital photo management.

JPEGView is a lean, fast, and highly configurable image viewer for Windows, designed for efficient viewing and basic processing of JPEG, BMP, PNG, and other popular image formats. It excels in performance and offers real-time image processing capabilities.

Nomacs is a fast and lightweight free, open-source image viewer offering a wide array of features for diverse image formats, including RAW and PSD. It provides essential editing tools, batch processing capabilities, and extensibility via plugins, making it more than just a simple viewer.

Gwenview is a robust and user-friendly image viewer for desktop environments, primarily known for its integration with the KDE ecosystem. It offers a clean interface and essential tools for browsing, viewing, and performing basic edits on a wide range of image formats.

Powerful photo editor and organizer with AI features, supporting RAW processing, layers, and non-destructive editing. Streamline your workflow from import to sharing with built-in tools and cloud integration.

Imagine is a versatile and lightweight image and animation viewer for Windows, offering robust support for popular formats, including GIF. It includes a range of tools for screen capture, basic image editing, batch processing, and creating animated GIFs.

Geeqie is a blazingly fast and extremely customizable Gtk+ based image viewer designed for Unix-like operating systems. It excels at efficient photo browsing, organization, and basic editing, making it an ideal tool for photographers and anyone dealing with large image collections.

Eye of GNOME (EOG) is the default and official image viewer for the GNOME desktop environment, known for its simplicity, speed, and tight integration within the GNOME ecosystem. It provides essential image viewing capabilities with a clean interface.

ImageGlass is a lightweight, versatile image viewing application designed as a modern, fast, and user-friendly alternative to the default Windows Photo Viewer. It supports a wide range of image formats and offers essential viewing tools alongside advanced features through its extensible architecture.

Mylio helps you organize, protect, and access your photos and videos across all your devices without relying solely on cloud storage. It leverages a unique approach to keep your entire library synchronized and accessible, offering powerful organization, editing, and sharing tools.

Phototheca is a free photo organizing software designed for Windows users. It simplifies managing large photo libraries with features like automatic organization, duplicate detection, facial recognition, and support for various file formats, including RAW. It's ideal for both casual users and photographers looking for an efficient way to view, sort, and edit their digital images.

Adobe Bridge is a powerful digital asset management application that helps you organize, browse, locate, and preview your creative assets quickly and efficiently. It is a complete solution for managing photos, videos, and other media files, offering robust features for metadata management, batch processing, and seamless integration with other Adobe Creative Cloud applications.

FastStone MaxView is a compact, fast, and innovative image viewer that supports all major graphic formats. It allows fullscreen viewing, zooming, and various display options without the clutter of a traditional interface.

PhotoQt is a fast, simple, and elegant open-source image viewer built with C++/Qt. It offers a clean interface, essential image viewing features, and basic editing capabilities, making it a great choice for quickly browsing and managing your image collection across different operating systems.

Universal Viewer is a portable file viewer capable of displaying a wide array of file formats, including documents, images, media, and raw files, without requiring the associated native applications.

Image Eye is a lightning-fast, lightweight image viewer designed for effortless browsing and quick access to your photo collection. It prioritizes speed and simplicity, offering essential viewing and basic manipulation tools.

Viu 2 is a discontinued, lightweight image viewing and browsing software designed for efficient management and basic editing of image collections. It offers a minimalistic interface and supports various batch processing operations.

ImBatch is a robust and free batch image processing tool for Windows. It allows users to apply multiple image editing tasks simultaneously to large collections of photos, streamlining workflows and saving significant time.