Browsers clear cache. Hard drives fail. Cloud saves desync. If you have 400+ hours invested and your save vanishes, the editor allows you to rebuild your progress manually. You can set your "Cookies baked (all time)" to exactly what you remember, restore your permanent upgrade slots, and resurrect your garden.
Unlike generic cheat engines or browser console hacks, the dedicated save editor for 2.031 is a web-based tool specifically updated to parse, modify, and generate save files compatible with this exact game version. It reads your plain-text save string and lets you tweak virtually every numeric and boolean value in your bakery. cookie clicker save editor 2.031
After testing a dozen tools, here are the top 3 reliable options (as of the current web): Browsers clear cache