Hello Games Engine.hgJSON

No Man's Sky Save Editor

Edit your No Man's Sky save file online. Modify units, nanites, inventory, ship stats, freighter data, and base building resources.

Edit No Man's Sky Save Generic Editor

Files encrypted in transit

Server-side parsing

Auto-detect format

About No Man's Sky Saves

No Man's Sky stores save data in JSON-based .hg files within %AppData%/HelloGames/NMS/. Because these are structured JSON, our editor provides full tree navigation — you can directly browse and edit units, nanites, inventory slots, multi-tool stats, ship configurations, and discovery data.

What You Can Edit

Units (currency)

Nanite Clusters

Quicksilver

Inventory slots and contents

Ship stats and type

Multi-tool upgrades

Freighter inventory

Base building resources

Discovered systems and planets

Exosuit technology modules

How to Edit No Man's Sky Saves — Step by Step

Navigate to %AppData%/HelloGames/NMS/st_<SteamID>/

Find save files (save.hg, save2.hg, etc.) and make a backup

Upload the .hg file — it will be parsed as JSON automatically

Browse the JSON tree to find Units, Nanites, inventory arrays, and other data

Edit values directly in the tree view

Download and replace the original save file

Save File Locations

🪟

Windows

%AppData%\HelloGames\NMS\st_<SteamID>\save.hg

🍎

macOS

~/Library/Application Support/HelloGames/NMS/st_<SteamID>/save.hg

🐧

Linux

~/.local/share/Steam/steamapps/compatdata/275850/pfx/drive_c/users/steamuser/AppData/Roaming/HelloGames/NMS/st_<SteamID>/save.hg

☁️

Steam Cloud

Steam Cloud sync — disable before editing saves

save.hg is slot 1, save2.hg is slot 2, etc. GOG version uses a different directory name.

File format: JSON | Extension: .hg

Platform Compatibility

🖥️

Supported

🎮

PS4

Not Supported

🎮

PS5

Not Supported

🎮

Xbox

Not Supported

🕹️

Switch

Not Supported

⚠️ PS4/PS5/Xbox/Switch saves are platform-encrypted. Cross-save features don't expose raw files for editing.

How SaveEditor Handles No Man's Sky 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 No Man's Sky saves?

%AppData%/HelloGames/NMS/st_<YourSteamID>/ on Windows. Look for save.hg files.

Can I add units and nanites?

Yes! The save is JSON-based, so you can directly navigate to the currency values and set them to any amount.

Can I edit my ship?

Ship data including class, type, inventory slots, and installed technology is all stored in the JSON save and fully editable.

Will editing break multiplayer?

Edited saves work in multiplayer, but extreme modifications (impossible inventory sizes, etc.) may cause issues. Use reasonable values.

Ready to edit your No Man's Sky save?

Upload your save file and start editing in seconds. No sign-up required. 100% free.

Edit No Man's Sky Save Now