With Cookiebro you can manage/filter/block browser cookies that can be used to track you online. Cookiebro can remove unwanted cookies regardless of their origin (websites or WebExtension requests).

Features:
- Configurable automatic deletion of unwanted cookies periodically (even every minute)
- Cookie whitelist - define which domains can set cookies
- Cookie blacklist - define domains from which cookies are dropped and not saved at all
- Blacklist / Block single cookies (wildcards supported): domain/cookieName
- Whitelist single cookies (wildcards supported): domain/cookieName
- Easy to use interface - click the extension icon to add a site or domain wildcard to the whitelist
- Drop unwanted cookies with two clicks at any time
- Optionally protect session cookies to prevent accidental logout from currently open sites
- Optionally drop HTTP Response header ETag and Link from blacklisted sites to prevent tracking
- Automatically (optional) delete indexedDB and localStorage caches from websites at browser startup
- Automatically (optional) delete pluginData to get rid of e.g. Flash Cookies (LSO) at browser startup
- Automatically (optional) delete unwanted cookies at browser startup
- View, Edit, Create, Delete single cookies with a tree-based Cookie Editor
- Search cookies in Cookie Editor
- Export existing cookies or a single cookie to a file as JSON
- Import cookies from a file as JSON
- Supports First Party Isolation (privacy.firstparty.isolate about:config setting) (FF 59+)
- Supports Firefox Multi-Account Containers
- Supports whitelisting individual cookies (right-click cookie in Cookie Editor)
- Cookie Log shows the last 200 cookie events (set/block) and lets you easily whitelist/blacklist domains and cookies and delete them
- Optionally allow also blacklisted sites to set session cookies
- "Clear domain data" popup action can also remove: sessionStorage, cacheStorage, Service Workers and localStorage on-demand