Ask HN: What are your favorite browser extensions/add-ons for Firefox or chrome?

69 points by atulatul ↗ HN
What are your favorite/preferred browser extensions/ add-ons?Firefox, Chrome. Primarily productivity focused. But other areas are fine, too. Also mention specific customizations of these, if any. Moderators, please edit suitably, as this is my first post here.

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NoScript, uBlock, Cookies Autodelete, Stylus.

And Firebug, merged into Firefox now.

My list is similar, though formerly I'd have said Cookie Controller.

I'm sad to be losing that, but I've been trying Cookies Autodelete on one of my machines and it seems a decent alternative. I look forward to seeing it mature a bit more.

ublock origin and ghostery
React Developer Tools, CORS, and the Keeper Vault along my browser menu for Chrome 63 :)
OneTab. It has serious issues, but I haven't found a replacement. Solves the problem of having so many tabs open. And solves my information addiction - usually after I OneTab it I tend not to care about it anymore (even though that wasn't my goal).
Vimium + Visual mode, OneTab, Free Download Manager Chrome extension, Infinite Scroll for Google™, Nimbus Screenshot & Screen Video Recorder...and New Tab Draft is the best because it's the draft writing tool that I have to use every day.
Most of my (Firefox) add-ons are privacy oriented. Besides from NoScript, Decentraleyes and Privacy Badger I also use AgentX to change the user-agent per site; simple, no bloat, and just works.

https://addons.mozilla.org/en-US/firefox/addon/agentx/

For anyone reading this, the user-agent switcher is not something to be over looked. If a drive-by-exploit is written for firefox and you are switched to IE... hey maybe they now try to apply an IE exploit and of course it won't work. Basically it is an extra layer to prevent browser specific exploits from being delivered.
It's also worth noting that uMatrix can spoof user agents, it doesn't take a second addon. (In the Privacy tab on the settings dashboard).
Privacy Badger: https://www.eff.org/privacybadger

I use it instead of an adblocker, because it gives the effect I actually want from an adblocker: it stops people tracking me, without stopping responsible sites from making money from my visits by serving me adverts.

It's also able to allow requests without forwarding cookies, with some sane CDN defaults, so you can load third-party assets without allowing more-than-minimal tracking.

"Terms didn't read" is useful extension
Pentadactyl - an very powerful, vim-like extension which is now permanently broken by Firefox 57

It is now impossible to make any extension that powerful on Firefox, due to design decisions by Firefox to limit the power of extension developers.