When comparing FastStone Image Viewer vs Windows Photo Viewer, 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 Windows Photo Viewer is ranked 15th.
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.
It load instantly
Pro Preinstalled for win 7/8
If you are win 7/8 user, then it already preinstalled
Con Sometimes really sluggish
Showing the wait cursor for multiple seconds like executing large operations in the GUI thread.
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 Can't view photos that have a filename over 30 characters
Con Doesn't support GIF
GIF image won't load.
Con Not Cross Platform
Exclusive for Windows 7/8 user.
Windows Photo Viewer is deprecated in Windows 10 in favor of Microsoft Photos . It's inherited from Windows 7 or 8 if you upgraded the system to Windows 10. It's not in it if you installed Windows 10 from scratch.