In Mr. Mine, go to Settings -> Save -> Export. Copy the long string to your clipboard.
Find a reputable (or at least functional) editor online. If none exist, you can use a generic Base64 decoder (like base64decode.org ) and edit the JSON manually. mr.mine save editor
Paste your string. The tool will display editable fields. Change "money" from 1000 to 1000000000000 . Change "diamonds" to 99999 . Find a reputable (or at least functional) editor online
When you click "Export Save" in the game’s settings, you receive a long string of seemingly random characters. This is encrypted, but it is encoded —typically in Base64, sometimes with additional compression (like LZ-string). The structure looks like this: The tool will display editable fields
Click "Generate" or "Encode." Copy the new string.
When decoded, this reveals a plain JavaScript object (JSON):
eyJpZCI6IjEyMzQ1IiwibW9uZXkiOjEwMDAwLCJkZXB0aCI6NTAwLCJpbnZlbnRvcnkiOnsiaXJvbiI6MjAwfX0=
