Is there any good free software like Meitu to view pictures on the Mac system?

Browsing pictures on mac has always been a headache. By default, previews are included. If you only open one picture, he can only look at one picture and can't automatically look at the next one. He must select all the pictures to open. The user experience is very poor and inconvenient. I recommend that you install a free picture viewing software called Viewer. Yes The app can be opened by double-clicking directly, which is very compact. It can not only view almost all image file formats, but also view PDF. It can also support gesture scaling or rotation. The most important thing is that it can view the pictures of the same folder or even subfolders in a folder continuously, without having to select them all before opening them. It is very convenient and can meet the daily needs of browsing pictures.