It offers multiple formats, including (human-readable) and Binary (compressed and hard to read) Moodkie. 2. How ES3 Save Editor Work Works (The Structure)
Here is a guide on how to use the two most popular tools for editing ES3 saves. es3 save editor work
You will need the specific "Encryption Key" used by the developer, which is usually buried in the game's DLL files. Without this, manual editing is nearly impossible. Changes Don't Appear In-Game You will need the specific "Encryption Key" used
Once the editor has successfully decrypted the file, the process becomes much simpler. The decrypted data is a JSON string. A good editor will then parse this JSON string into a more user-friendly format. Many tools, such as the R.E.P.O-Save-Editor , convert the data into a structured tree view or a series of input fields, allowing you to change values like health , money , or level with a simple click. More technically inclined users can export the data to a raw .json file, make manual changes in a text editor, and then re-import it. This flexibility is a common feature of advanced editors. The decrypted data is a JSON string
Modifying saves carries a high risk of corruption. Good editors automatically clone your original save file before injecting changes.
Technical users often use packages like es3-modifier on GitHub to automate the decryption and modification process for specific games, such as Phasmophobia .