Quality is very well acceptable, it also depends of the quality of the video file ofcourse.
But most of all - it´s definately worth it, since it´s completely free. Just wait for next release, they´ve probably improved the transcoding by then.
Watercooled 5950X | AORUS Master X570 | Asus RTX 3090 TUF Gaming OC | 64Gb RAM | 1Tb 970 Evo Plus + 2Tb 660p | etc etc