- uBlock Origin
- Cookie AutoDelete
- "I Don't Care About Cookies" (It auto-OKs cookie consent banners)
- Archive.org's Wayback Machine (A must have in this era of link rot)
Optional:
- Tablist (easily lets me copy out all the URLs of open tabs for 'later')
- User Agent Switcher (Needed less these days, but useful for exploring the DOM of mobile versions of sites)
Additionally, I have written a launcher for Chrome that creates shortcuts for Chrome with the --user-data-dir parameter[1] to enable me to have 100% isolated browser identities. I create and tear these down on regular basis. I started doing this, when I realised that multiple Incognito mode sessions running simultaneously actually share the same cookies and local storage.
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[1] https://chromium.googlesource.com/chromium/src/+/HEAD/docs/u...