I use this method, pretty easy
Never found any limit issues with it.
https://desonovel.blogspot.com/2021/01/tutorial-using-textractor-with-deepl.html?m=1
http://bbs.mikocon. com/forum.php?mod=viewthread&tid=27739&highlight=%E3%82%A4%E3%83%AD%E3%83%A8%E3%83%AA%E3%83%89%E3%83%AA
u need to register first
lot of other VNs there