Core KeeperCore Keeper Save Editor – edit your save in your browser
Edit your save directly in your browser with the Core Keeper Save Editor: load the “<number>.json” character file from your “saves” folder or start with an empty character, edit inventory, skills, talents, avatar, and character stats, then export the file. Free, with no sign-up or installation—your file never leaves your browser.
Built by Justin Schuessler
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Appearance
Health
100 / 100
Coins
0
Souls unlocked
No
Technical details
Completed tutorials
Features
What you can edit in the Core Keeper Save Editor
The editor displays your save with readable item names and changes only the fields you edit.
Edit inventory
Add an item to one of the 130 slots, change its quantity or durability, clear slots, and lock or unlock occupied slots. Quantities are limited to the item's valid in-game range.
Skills & Talents
Set the levels of all 12 skills with -/+ or the number field, and allocate talent points with +/-, limited to earned points and talent paths available in the game.
Character stats
Change the name, coins, health, and maximum health, and toggle soul status, intro status, and completed tutorials.
Hardcore to Standard
Switch the character type between Standard, Hardcore, and Casual—for example, to turn a Hardcore character into a Standard character.
Avatar appearance
Cycle through gender, skin tone, hairstyle, hair color, eyes, eye color, top color, and pants color with the arrow buttons, or generate a random character.
Discoveries
Mark objects and biomes as discovered or undiscovered, mark soul powers as collected or uncollected, and enable or disable soul powers.
How it works
How to use the Core Keeper Save Editor
No installation, no account: load a file, edit it, and export it again.
Step 1
Create a Backup copy
Open your Core Keeper character's “saves” folder and copy the “<number>.json” file to a safe location before making changes.
Step 2
Upload save file
Click “Upload save file” and select the “<number>.json” file (max. 8 MB). It's read only in your browser. Without a file, you edit the empty character the editor starts with.
Step 3
Customize character
Change your avatar's name, health, coins, character type, and appearance in the Character tab.
Step 4
Set skills & talents
In the “Skills & Talents” tab, choose a skill, set its level with -/+ or the number field, and allocate points in the talent tree with +/-.
Step 5
Edit inventory and discoveries
Click a slot in the Inventory tab to add an item, change its quantity, or clear the slot. In the Discoveries tab, mark objects, biomes, and soul powers.
Step 6
Export and replace
Click “Export as file” and put the downloaded .json file in your “saves” folder in place of the original.
Save location
Where is your Core Keeper save file located?
Core Keeper stores each character in the “saves” subfolder of its data folder. On Windows, you can find it here, for example:
Save location on Windows
%USERPROFILE%\AppData\LocalLow\Pugstorm\Core Keeper\Steam\<Steam-ID>\savesOne file per character
Each character has its own “<number>.json” file in the “saves” folder. Upload that file to the editor.
Not the world file
The editor only edits character files. Use the World Map Viewer to read your world's “*.mapparts.gzip” file instead.
Go to the Core Keeper World Map ViewerKeep a copy
Keep a copy of the original file before replacing it with the exported file. That way, you can always restore your old save.
Discover more
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Enter a Core Keeper world seed and instantly preview the terrain and biomes in authentic game colors—without owning or exploring the world.
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FAQ
Frequently asked questions about Core Keeper Save Editor
Quick answers about the Core Keeper Save Editor.
Yes. The Save Editor is free and requires no account or installation. Just open it in your browser and get started.
No. Reading, editing, and exporting happen entirely in your browser. No server request transfers or stores your file, and exporting downloads it locally.
Each character has its own “<number>.json” file in the “saves” subfolder, e.g. “%USERPROFILE%\AppData\LocalLow\Pugstorm\Core Keeper\Steam\<Steam-ID>\saves” on Windows. The “*.mapparts.gzip” file is your world, not your character file.
Yes. In the Character tab, set the character type under “Technical Details” to Standard, Hardcore, or Casual. Then export the file and put it back in the “saves” folder.
Yes. Click a slot in the Inventory tab to add an item, change its quantity or durability, or clear the slot. Quantities are limited to the item's valid in-game range. Use the lock icon to lock or unlock occupied slots.
Yes. Choose one of the 12 skills, set its level with -/+ or directly in the number field, and allocate talent points with +/-. Talent points are limited to points actually earned and talent paths available in the game.
No. The Save Editor only edits character files. You can view the world map from the “*.mapparts.gzip” file in the Core Keeper World Map Viewer. Go to the Core Keeper World Map Viewer
The editor changes only the fields you edit, and exports an unchanged file identically. Since the tool is still in beta, always keep a copy of the original file before replacing it in the “saves” folder.
Any more questions?
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