Ask HN: What are the most useful Firefox addons?

"Tree Style Tab" is very useful if you like to have a lot of tabs open at the same time:

https://addons.mozilla.org/en-US/firefox/addon/tree-style-ta...

Using these ATM:

https://addons.mozilla.org/en-US/firefox/addon/read-it-later...

https://addons.mozilla.org/en-US/firefox/addon/google-no-tra...

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

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

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

https://addons.mozilla.org/en-US/firefox/addon/copy-urls-exp...

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

I found this a few days ago: https://addons.mozilla.org/en-US/firefox/addon/select-like-a...

It allows you to select text that's part of a link by just clicking and dragging, just like all other text.

Other addons I use are: uBlock (https://github.com/gorhill/uBlock#firefox)

imagus (https://addons.mozilla.org/en-us/firefox/addon/imagus/)

self-destructing cookies (https://addons.mozilla.org/en-US/firefox/addon/self-destruct...)

clean links (https://addons.mozilla.org/en-us/firefox/addon/clean-links/)

Increases my productivity greatly

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

This is what I run. I prefer that companies I've never heard of do not collect data about me and give it to whomever wants it for just a few cents.

Adblock Edge: Blocks all ads including "acceptable ads" https://addons.mozilla.org/en-US/firefox/addon/adblock-edge/

Better Privacy: Manage "super cookies" https://addons.mozilla.org/en-us/firefox/addon/betterprivacy...

Cookie Monster: Control who can set cookies. https://addons.mozilla.org/en-us/firefox/addon/cookie-monste...

NoScript: Blocks all scripts except for whitelisted domains https://addons.mozilla.org/en-us/firefox/addon/noscript/

RefControl: Modifies HTTP Referer on a per-site basis. https://addons.mozilla.org/en-us/firefox/addon/refcontrol/

RequestPolicy: Blocks all cross-site requests except whitelisted requests. https://requestpolicycontinued.github.io/

UAControl: Modifies User Agent on a per-site basis. https://addons.mozilla.org/en-us/firefox/addon/uacontrol/

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These are just to make my Internet experience more enjoyable/productive.

Classic Theme Restorer: Brings back navigation buttons, makes tabs square, and more. https://addons.mozilla.org/en-us/firefox/addon/classicthemer...

Firebug: Inspect and change HTML, CSS, and more. https://addons.mozilla.org/en-us/firefox/addon/firebug/

HN Utility Suite: collapse discussions. https://addons.mozilla.org/en-us/firefox/addon/hn-utility-su...

Image Block: If tethering on a limited connection. https://addons.mozilla.org/en-us/firefox/addon/image-block/

New Tab Tools: Makes new tab page nicer. https://addons.mozilla.org/en-us/firefox/addon/new-tab-tools...

Screengrab! (fix version): Take screenshot of whole webpage. https://addons.mozilla.org/en-us/firefox/addon/screengrab-fi...

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

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

Lastpass: https://addons.mozilla.org/en-us/firefox/addon/lastpass-pass...

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

TooManyTabs: https://addons.mozilla.org/en-US/firefox/addon/toomanytabs-s...

Pocket: https://addons.mozilla.org/EN-us/firefox/addon/read-it-later...

uBlock: https://addons.mozilla.org/EN-us/firefox/addon/ublock/?src=s...

Cryptocat: https://addons.mozilla.org/EN-us/firefox/addon/cryptocat/

Blur(DoNotTrackMe): https://addons.mozilla.org/EN-us/firefox/addon/donottrackplu...

Disconnect: https://addons.mozilla.org/EN-us/firefox/addon/disconnect/

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

Tree Style Tab: https://addons.mozilla.org/en-US/firefox/addon/tree-style-ta...

Web of Trust: https://addons.mozilla.org/en-US/firefox/addon/wot-safe-brow...

HTTPS Everywhere: https://www.eff.org/files/https-everywhere-latest.xpi

Greasemonkey: https://addons.mozilla.org/EN-us/firefox/addon/greasemonkey/

Privacy Badger: https://addons.mozilla.org/en-US/firefox/addon/privacy-badge...

ublock https://github.com/gorhill/uBlock/releases

pentadactyl http://5digits.org/nightlies

greasemonkey http://www.greasespot.net/

pentadactyl has a bit of learning curve to use it well. But after having using it for many years, it is the only addon that is keeping me away from chrome. No other vim style addon for chrome or firefox has come close, for me.

ScrapBook : It allows you to save web pages offline, mark-up (highlight, annotate, make text-box callouts), indexes the whole collection + has tags. It unfortunately doesn't do sync yet, but provides an Import feature that is good enough in conjunction with rsync / Unison.

Scrapbook has been a serious "problem" for me: I could never make the switch from firefox to chrome, even in the intermediate years when a majority of folks had ditched FF for Chrome; I needed my scrapbook.

Link with screenshots, manual: http://www.xuldev.org/scrapbook/