Simple HTML/JS that allows you to compare two different cookie files, checks presence in both files, flags when then differ
Files are all in the www directory
Upload them to web-server and open the page.
Get the cookie file string for a site by opening the DevTools console in your browser and issuing the following command
document.cookie
You can then copy and paste to this tool.
Hit Analyse and it will compare the two, flagging differences and linking to the cookie entry on https://cookiepedia.co.uk