libGDX.autosave / .autosave1JSON

Slay the Spire Save Editor

Edit your Slay the Spire save file online. Modify gold, HP, deck, relics, potions, and map progress in your current run.

Edit Slay the Spire Save Generic Editor

Files encrypted in transit

Server-side parsing

Auto-detect format

About Slay the Spire Saves

Slay the Spire uses JSON-based autosave files stored in the LocalLow folder. These files contain your current run state — gold, HP, deck composition, collected relics, available potions, and floor progress. Our editor provides full JSON tree access to modify any of these values mid-run.

What You Can Edit

Gold

Current HP and max HP

Deck cards and upgrades

Relics collected

Potions

Current floor / act

Ascension level

Card rewards

Map seed

How to Edit Slay the Spire Saves — Step by Step

Navigate to %LocalAppData%/../LocalLow/MegaCrit/Slay the Spire/saves/

Find IRONCLAD.autosave (or your character's autosave file) and back it up

Upload the autosave file — it will be parsed as JSON

Browse the JSON tree to find gold, HP, deck, relics, and other run data

Edit values and download the modified save

Replace the file and continue your run in-game

Save File Locations

🪟

Windows

%UserProfile%\AppData\LocalLow\MegaCrit\Slay the Spire\saves\

🍎

macOS

~/Library/Application Support/MegaCrit/Slay the Spire/saves/

🐧

Linux

~/.config/unity3d/MegaCrit/Slay the Spire/saves/

☁️

Steam Cloud

Steam Cloud sync supported

Each character has an autosave file (IRONCLAD.autosave, SILENT.autosave, etc.). preferences is the global settings file.

File format: JSON | Extension: .autosave / .autosave1

Platform Compatibility

🖥️

Supported

🎮

PS4

Not Supported

🎮

PS5

Not Supported

🎮

Xbox

Not Supported

🕹️

Switch

Not Supported

⚠️ Console saves are encrypted. Switch homebrew can dump saves, but PS4/Xbox saves are not directly accessible.

How SaveEditor Handles Slay the Spire Files

Auto-Detect

Automatically identifies JSON format from file content

Smart Editing

Game-specific labels, categories, and quick-edit presets

Re-encode

Downloads in the original format — compression and encoding preserved

Frequently Asked Questions

Where are Slay the Spire saves?

%LocalAppData%/../LocalLow/MegaCrit/Slay the Spire/saves/ — each character has its own autosave file.

Can I add relics to my run?

Yes! The autosave JSON contains a relics array. You can add relic IDs to give yourself any relic mid-run.

Can I modify my deck?

The deck is stored as an array of card IDs in the JSON. You can add, remove, or upgrade cards freely.

Will editing reset my run?

No, the autosave captures your exact run state. Editing and replacing it will continue the run with your modifications.

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