Always make a backup of your original save file before uploading it to any editor.

Here is a functional "Do-It-Yourself" Online ES3 Save Editor tool.

Tip: Look for files named SaveFile.es3 or files ending in .txt and .json . 🔑 Step 2: Identify the Encryption Settings

asset in the Unity Engine. These editors allow players to bypass standard gameplay loops by altering variables such as in-game currency, inventory items, or character levels. The Mechanics of Online ES3 Editors

Traditional save files are often stored in plain JSON, XML, or binary formats. ES3 is unique because it uses a customized, highly optimized JSON wrapper or binary format designed specifically for Unity's complex data types (like Vector3, Quaternions, and custom structs).

Since ES3 files are structurally JSON-based, you can use advanced online JSON editors if a dedicated ES3 web tool is unavailable.

ES3 files are typically binary or encoded JSON. While some implementations use raw JSON, many use Easy Save's proprietary binary format. The code below assumes the common scenario where the save data is stored as JSON (which ES3 supports) or provides the logic to parse string-based save files.

: Many games use a specific encryption key. For example, Supermarket Together uses g#asojrtg@omos)^yq . You must enter the correct password for the tool to decrypt the contents.

Because of these diverse configurations, standard save editors will often corrupt the file. A dedicated ES3 online editor decodes the specific serialization patterns used by the Easy Save 3 framework. Does an ES3 Save Editor Online Work?