is a web-based tool designed to modify save files generated by games using the Easy Save 3 (ES3) plugin for the Unity engine . ES3 is a popular asset among developers for saving complex data types, but its default format is often encrypted or encoded, making manual editing difficult without a specialized interface. Key Features and Purpose
: Most Unity games using Easy Save 3 store files in %AppData%\LocalLow\[Developer]\[GameName]\ . Look for files with the .es3 extension. Decrypt the File : Upload your .es3 file to the ES3 Editor. Es3 Save Editor Online
save files using AES-128 to prevent cheating. This tool allows you to upload these files, apply a known password, and convert them into a "human-readable" JSON format for editing. Web Interface Es3 Save Editor Online is a web-based tool
However, game developers are fighting back. Some modern titles now encrypt ES3 files or store them in binary blobs within a SQLite database. For those, a standard will not work—you would need a game-specific tool. Backup your original save before making any changes
After editing, click "Export" or "Download Edited File." The site will generate a new .es3 file. Save it to your Downloads folder.
In a modern game, this would trigger a “quest failed” pop-up or an auto-save rewind. In Morrowind , it triggers a 40-hour spiral of regret. The online editor offers a graceful undo. Accidentally sold the Moon-and-Star ring? Open the editor, find the item ID, add it back to your inventory. Killed an essential NPC for the Main Quest? Locate their “alive” flag and flip it from 0 to 1.
Desktop save editors often clash with cloud saves (Steam Cloud, Epic Cloud). The online tool is non-intrusive; you simply download the modified file and let your cloud service overwrite the old version naturally.