Convert ROLF to MP4

Converting ROLF files directly to MPEG-4 Videos (.rolf to .mp4 conversion) is not possible, since ROLF is a non-existing format.

Perhaps this is just a typo, and you are actually searching for ways how to convert League of Legends Replay Files to MPEG-4 Videos. In that case, please refer to the ROFL to MP4 conversion entry.

Simply put, it is impossible to convert ROLF to MP4 directly.
Thus, there is no so-called rolf to mp4 converter or a free online .rolf to .mp4 converter to be found.