Depending on your needs, you can find different versions of the viewer on various platforms. Universal Viewer — Download - UVviewsoft

It can handle over 400 formats, including images (RAW from 400+ cameras), multimedia (170+ formats), PDFs, eBooks, and Microsoft Office files.

Once installed, it can be integrated into the Windows Explorer right-click menu for instant file access.

The software efficiently opens text files larger than 4GB, making it ideal for sifting through massive log files.