Always back up your original save string in a text file before editing. If the import fails, you can revert to your previous progress.
A save editor is a third-party web tool or script that decodes your Cookie Clicker save string (a long block of Base64 text) into human-readable JSON data. It allows you to modify values directly, such as: cookie clicker save editor 2.031
Now go forth. Bake cookies. Break the universe. And always check your version number before you paste. Always back up your original save string in