One of its main advantages is the video conversion speed which is really fast.
It supports a good bunch of formats but what we have to stand out is the quantity of available presets which allow you to choose the device and the program wil set the best settings for it.
It is good both for novices and advanced users because you can diecide to do fast conversions without modifying anything or to change parameters to make the converision suit your needs.
When you use GOM, you realise why it isn't for free and sometimes it's worth paying a bit.
Watermark in output.