Pick a clip in the file list, choose a profile, and the conversion runs as a background job you can pause, watch or cancel. The originals are only removed if you ask, and only after the new file verifies. Everything here is switched on by you rather than by us.
Ships — you switch it on
Choose the profile, not the flags. The job goes on the board with progress, a rate and an ETA.
Off unless you turn it on, verified before anything goes, and what goes goes to the Trash.
Duration, streams and codecs in the preview, without opening a player.
It needs FFmpeg. The add-on manages that for you rather than assuming it is on your PATH.
An add-on is not sold on its own — a bundle is, and holding the same add-on through two bundles is never charged twice. See the bundles.
A fresh install hides anything below the default bar on this add-on’s Minimum readiness slider in Settings › Features. These are in the app today.
Download File Manager, then pick the bundle that grants it.