Wondershare Uniconverter Portable V15.6.0.18 -x... — Best

What it does: Portable Mode lets you run Wondershare UniConverter directly from a USB drive or external SSD without installing anything on the host computer. Just plug in your drive, launch the app, and you get the full suite of conversion, compression, editing, and burning tools—perfect for working on other people’s PCs, shared workstations, or when you travel.