This is arguably the most famous web-based editor. It allows users to paste their save file directly into the browser.
Cookie Clicker replaces certain characters to make the save web-safe (like replacing %3D with = ). If the text looks completely unreadable after decoding, run it through a URL Decode tool first, then decode the Base64.
Why players edit saves
If you want to restore a save or move it to a different browser, go to "Options," click Import Save , and paste your string into the box. 2. Manual Save Editing (The Pro Way)
Mi4wMzZ8fDE2MjU0Mzk2MDAwMDB8MDExMTEwMDAwfDE7MTs0LDM7MSwxOzAsMDswLDA7fDkyMDtwcm9kdWN0aW9uIDE5NDI=
Paste the remaining string into a Base64 decoder tool (or use a Python script/command line tool).