One popular claim is the “MK11 Unlocker by H1” or “Thethiny’s Unlocker” – but these are for unlocking (skins, gear) from the Krypt and Towers, not DLC characters. Confusion between DLC unlockers and save editors is rampant.
Searching for a usually refers to tools or mods designed to bypass the game's official storefront to access paid content like characters (Spawn, Joker, etc.) or skins for free. i mk11 dlc unlocker upd top
For those not using mods, certain skins and items are tied to specific game modes rather than paid DLC: One popular claim is the “MK11 Unlocker by
Warning: This is for educational purposes only. Proceed at your own risk. gear) from the Krypt and Towers
: The weekly leaderboard grants rewards (like Mileena's MK3 outfits) to the top 5% or 10% of players.