Subnautica Save Editor
Edit Subnautica save files online. Modify inventory, blueprints, base buildings, and player stats.
About Subnautica Saves
Subnautica stores save data as multiple JSON files within a save slot folder. Key files include gameinfo.json, CellsCache, and various serialized state files that contain your inventory, base data, and world state.
What You Can Edit
How to Edit Subnautica Saves — Step by Step
Find saves at %AppData%/../LocalLow/Unknown Worlds/Subnautica/SavedGames/
Upload individual JSON files from your save slot
Edit any values in the parsed JSON tree
Download and replace
Save File Locations
%UserProfile%\AppData\LocalLow\Unknown Worlds\Subnautica\SavedGames\slot0000\
~/Library/Application Support/unity.Unknown Worlds.Subnautica/SavedGames/slot0000/
~/.config/unity3d/Unknown Worlds/Subnautica/SavedGames/slot0000/
Steam Cloud sync supported
Each save slot is a folder (slot0000, slot0001, etc.) containing multiple JSON files.
Platform Compatibility
PC
SupportedPS4
Not SupportedPS5
Not SupportedXbox
Not SupportedSwitch
Not Supported⚠️ Console saves use platform-encrypted storage and cannot be directly extracted for editing.
How SaveEditor Handles Subnautica Files
Frequently Asked Questions
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