FastStone Image Viewer is not available for Mac but there are plenty of alternatives that runs on macOS with similar functionality. The best Mac Image Viewer alternative is XnView MP. It's not free, so if you're looking for a free alternative, you could try XnView MP or nomacs. If that doesn't suit you, our users have ranked more than 100 alternatives to FastStone Image Viewer and many of them are Image Viewers available for Mac so hopefully you can find a suitable replacement. Other interesting Mac Image Viewer alternatives to FastStone Image Viewer are qView, PicView, ACDSee Photo Studio and Photon Studio.
Comprehensive photo management software for viewing, batch converting, editing and resizing images and creating thumbnail sheets.
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.
Editing option are not great
PhotoScape is a fun and easy photo editing software that enables you to fix and enhance photos.
Fast and lightweight Qt-based image viewer with support for Windows, macOS, and Linux. Features include multiple format support, customizable interface, GIF playback, high-resolution display compatibility, and efficient navigation through keyboard shortcuts.
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.
Offers organization, viewing, and editing tools for digital images, supports over 700 RAW formats, enables metadata embedding and syncing, dynamic category and keyword filters, workflow optimizations, non-destructive edits, detailed image preview, and sharing options.
Photon Studio grabs the latest photo taken with Photon Camera on your iPhone, and allows you to easily display it on your iPad, Apple Silicon Mac, or another iPhone connected to an external monitor.
Desktop app for photo sorting on Windows & Mac, managing JPG+RAW files. Sort photos into folders using keys, providing easy navigation and clean interface without deletion, ensuring a focused experience with flexible viewing, safe storage, and no fluff.
Advanced digital asset manager offering creative asset organization, metadata editing, and integration with Adobe products. Supports multiple formats, raw editing, and file export, allowing task simplification, collaboration, and creative project management.
Photos is a digital photograph manipulation application developed by Apple, intended to be less complex than its predecessor iPhoto .
Waterfall-style image viewer for macOS, offering a smooth and immersive browsing experience.
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Because, XnView have many functions and it's a multi platform application.