When comparing FastStone Image Viewer vs Microsoft Photos, the Slant community recommends FastStone Image Viewer for most people. In the question“What are the best image viewers for Windows?” FastStone Image Viewer is ranked 1st while Microsoft Photos is ranked 16th.
Ranked in these QuestionsQuestion Ranking
Pro Really fast
Pro Great for comparing and sorting multiple images
Pro Lots of features for simple editing
Pro Best keyboard controls
Pro Editing photo levels
Pro Built-in folder browser
Can browse folders, images and videos, all with thumbnails.
Pro Has dark mode
As well as Gray mode. Good for your eyes.
Pro Pre-installed on Windows 10
For Windows 10 users, it comes preinstalled.
Con Free version is not valid for business usage
Only good for private use, small business licensing is very expensive.
Con Broken SVG Support
SVG images do not show at all.
Con Sometimes really sluggish
Showing the wait cursor for multiple seconds like executing large operations in the GUI thread.
Con Can't view photos that have a filename over 30 characters
Con Bloated as Windows 10
Windows Photo Viewer takes almost 30 seconds to open in a high end computer. That's embarrassing.
Con Runs very slow
And sometimes cause a timeout.
Con Integration with Microsoft services = No privacy
For example, it uses AI-powered facial recognition features and integrations with Cortana.
Con Auto improves RAW files that can't be turned off
And it is TERRIBLE!!!!
Con It lacks of tools for designers
The other image viewers have much more tools than this app...
Con Not cross platform
Exclusive for Windows 10.
Con Written in C# and XAML
Windows 10 UWP software tend to perform worse than software written in C++.