Telerik.FiddlerPDFView v1.1.0.3
This add-on adds a PDF inspector to Fiddler that generates previews of PDF files.
PS> winget install --id Telerik.FiddlerPDFView -e
Telerik.Fiddler.Classic
The Original and Free Web Debugging Proxy Tool Exclusively for Windows
HeSoft.HeSoftMediaViewer
This utility allows you to batch view local picture, video, and audio files, which can display all of them simultaneously so that you can view and play them. It can significantly improve efficiency when previewing numerous media files quickly.
NitroSoftware.NitroPro.NLS
Create, edit, sign, and secure PDF files and digital documents. This is the Nitro Licensing System (NLS) version.
CubeSoft.CubePDF
CubePDF is a Windows virtual printer that allows you to convert to PDF when you need it from any application, including Web browsers, Microsoft Word, Excel, PowerPoint (PPT), bitmap files (PNG, JPEG, BMP), etc.