To Fix Kimchi That's Too Salty Just Add One Ingredient - Tasting Table
Briefly

Over-salted kimchi can be salvaged easily by adding radish, which absorbs excess salt while introducing a satisfying crunch and peppery flavor.
Allowing kimchi to ferment longer enhances the flavor of the cabbage and might help achieve the right balance, though it won't remove the salt.
In case of over-salted kimchi, utilizing it to flavor a kimchi stew or incorporating it with rice can offer a delicious solution.
Radishes of various types can be used to dilute over-salted kimchi, and they work by absorbing excess salt and adding texture.
Read at Tasting Table
[
|
]