Features

PreviewQt is a file previewer that strifes to be lightweight, very fast, and simple. It supports a wide range of files and formats:

More than 140 image formats
All of the common video formats
Photo spheres and 360 degree panoramas (that use equirectangular projections)
Motion photos, Micro videos, and Apple live photos
PDF documents including page navigation
Archives (zip, tar.gz, rar, 7-zip) with the ability to explore its content
Comic Books (cbz, cbt, cbr, cb7) including page navigation
E-books (epub) including navigation and remembering where you left off

It is also possible to set up an external application for the categories of files. With a shortcut or button it is possible to pass a previewed file on to the provided external application for further processing.