For those looking to modify save data created with Unity's Easy Save 3 (ES3) asset, there are several dedicated online tools and methods available to edit these files directly in your browser. Since ES3 data is primarily stored as JSON-formatted text, it is highly accessible for manual modification. Top Online ES3 Save Editors
ES3 is a popular Unity asset used by developers to save game states. These files typically end in .es3 and are stored in a format that looks like JSON but contains specific metadata that Unity needs to read the variables correctly. Because they aren't standard text files, opening them in Notepad often results in a mess of code that is easy to break. How an Online ES3 Save Editor Works es3 save editor online work
playerLevel is an integer.