- best windows free image viewer software utillity program

* FastStone Image Viewer
https://www.faststone.org/
- 단점 :  webp로 변환 안됨
    - 자동으로 여러창 띄우기 안됨, 수동으로 실행해야 가능
- 장점 : 가장 빠름

* XnView MP  <== 추천
https://www.xnview.com/en/xnviewmp/
    - 이미지 리스트에서 복사(잘라내기, Ctrl+X)키 누르면, WSL 에러 발생
werfault.exe msrdc.exe WSLDVCPlugin.dll_unloaded clipboard crash error
        - 해결방법 : /blog/2652

* XnView Classic 
https://www.xnview.com/en/xnview/
- 단점 : webp 지원 안함(보는 것도 안됨)

//-------------------------------------
< 이미지 파일 관리 기능이 없는 뷰어 >

  * Honeyview (꿀뷰)
https://www.bandisoft.com/honeyview/
- 단점 : 파일 관리 기능 없음
- 장점 : webp 변환 가능

* IrfanView
https://www.irfanview.com/
- 단점 : 파일 관리 기능 없음

* ImageGlass
https://imageglass.org/

* nomacs 
https://nomacs.org/

//-------------------------------------
< Pass >
* ACDSee Free
https://www.acdsee.com/en/products/acdsee-free/
- 광고, 로그인

* WidsMob Viewer Pro - 유료
https://www.widsmob.com/viewer-pro

* digiKam
https://www.digikam.org/
- 불필요한 기능만

* Pictureflect Photo Viewer
https://pictureflect.com/
- Microsoft Store 이용

* Apowersoft Photo Viewer
https://www.apowersoft.com/photo-viewer
- 기능부족, 오래됨(2018년)