9 votes

Firefox add-on that suspends inactive tabs, to use less memory

There are several options: Auto Tab Discard (Compatible with Firefox Quantum) Use native tab discard method to automatically reduce memory usage of inactive tabs. One Tab (Compatible with Firefox ...
kenorb's user avatar
  • 3,123
8 votes
Accepted

Firefox extension to hide some elements permanently

Check out the uBlock Origin ad blocker add-on. You can choose to block addons using the element picker tool, or just right click the element > Block element and then adjust the sliders and follow ...
Yahx's user avatar
  • 98
7 votes

Alternative to Ghostery (tracker-blocker) add-on for Firefox?

First, Ghostery is made by Ghostery Inc. an ad company. I'm sure their research is respectful but it is good to know about it at least. I would try Privacy Badger made by EFF. The way it works is ...
sur's user avatar
  • 171
6 votes
Accepted

Firefox add-on to store custom CSS on specific websites

There is another add-on called Stylus which is a Stylish fork for Firefox, Chrome and Opera without analytics. I wanted to update the answer to this question, because as of August 2017, Stylish has ...
Pie222's user avatar
  • 71
5 votes
Accepted

Mozilla Firefox extension for night reading?

You may also want to try Owl, a light add-on built specifically for this purpose, and very much Dark Reader for Chrome. (Disclaimer: I also happen to be the developer of this [and other] add-ons)
CptFoobar's user avatar
5 votes
Accepted

Is there a dark mode browser extension that works in an opt-in way?

Dark Reader It's available for both Firefox and Chrome Use Invert listed only if you wish Dark Reader to work only on listed websites. https://darkreader.org/help/en/#site-list
riQQ's user avatar
  • 198
4 votes
Accepted

Firefox addon to block attempts to make text unselectable?

https://addons.mozilla.org/firefox/addon/righttoclick/ Stops javascript annoyances such as forbidden right click, forbidden text selection or disabled features like copy/save images from web-pages. ...
stop zionism's user avatar
4 votes

Firefox bookmark manager with two panes

At this time, there is the Bookmarks Commander github repo here for Mozilla Firefox for Google Chrome
user348246's user avatar
4 votes

Equivalent to NoScript for Firefox Quantum

You could try uMatrix which offers all that NoScript has, but even more granular. That means a little learning (dealing with uMatrix is a bit different), but also more flexibility. To give you an idea,...
Izzy's user avatar
  • 18.8k
4 votes
Accepted

Firefox add-on that suspends inactive tabs, to use less memory

Tab Suspender (memory saver) seems to be a pretty good alternative.
Yisroel Tech's user avatar
  • 1,572
4 votes
Accepted

Download Router extension for Firefox web browser

You can safely dump Chrome... allow me to introduce you to Firefox's Save In... extension. The summary on AMO is well written: Adds a context menu to save media {image, video, audio, link, ...
End Anti-Semitic Hate's user avatar
4 votes
Accepted

Firefox or Chrome extension that clicks on webpage links with the keyboard (no mouse involved)

The Vimium C Web Extension by Dahan Gong has been updated more recently than other similar extensions (it was just updated 4 days ago). Description from Mozilla's Firefox Add-ons Site (AMO): ...
End Anti-Semitic Hate's user avatar
4 votes

Separating work and personal tabs in Firefox

The standard solution from Firefox to isolate work and home tabs is to use first party isolation which separates cookies and local storage for different set of tabs. But that doesn't seems to be what ...
Riduidel's user avatar
  • 279
3 votes

Firefox extension to use multiple Stack Exchange accounts

As of Firefox 57 AKA Firefox Quantum, installing the Firefox Multi-Account Containers extension (developed by Mozilla) will allow you to use multiple accounts for Stack Exchange and other websites, ...
galacticninja's user avatar
3 votes

Mozilla Firefox extension for night reading?

You can install Dark Reader for Firefox. It makes exact the same dark themes as Dark Reader for Chrome.
Alexander Shutau's user avatar
3 votes
Accepted

Firefox add-on to hide a window on a selected day

Better than an add-on, I suggest you use Firefox's built-in "Profile" feature. Use one profile for workdays, and one profile for weekend. First, configure Firefox to reopen last session's tabs. Then ...
Nicolas Raoul's user avatar
  • 19.5k
3 votes

Is there a Firefox utility that can convert webpages to PDF?

You can use the FireFox add-in WebToPDF which will generate a PDF from a webpage. Just right click on page and generate PDF for webpage. It will also include any invisible areas.
Manish Patel's user avatar
3 votes

Firefox extension to copy the title and URL of the page to the clipboard

As my answer with CoLT is only valid for Firefox < v57 (and CoLT won't be maintained anymore), a good replacement is Format Link: excellent support by the dev. Again, no Ctrl-C directly on the ...
Izzy's user avatar
  • 18.8k
3 votes
Accepted

Task Switcher for Windows & Browser Tabs

I have a setup that does this that I use every day. I see the problem as MRU or spatial are not going to work once the windows+tabs get above around 10. At that point you need symbolic. The real ...
Brian C.'s user avatar
  • 146
3 votes

Pause YouTube video without having to switch to its Firefox tab

Play/Pause is a minimalistic Firefox extension that just adds a Play/Pause button to YouTube video tabs. License: MIT Source code: https://github.com/DanielKamkha/PlayPauseFirefox
Nicolas Raoul's user avatar
  • 19.5k
3 votes

Firefox extension to remove " - Wikipedia, the free encyclopedia" from page title

The Greasemonkey Firefox addon would enable you to do that. Greasemonkey lets you run "UserScripts" to be run on the page source, in order to modify it.1 1:Further details can be found at the ...
Izzy's user avatar
  • 18.8k
3 votes

Virtual PDF printer to print from Firefox

This one has always worked good for me http://www.pdfforge.org/pdfcreator
cybernard's user avatar
  • 1,726
3 votes
Accepted

looking for you tube video downloder app

Not sure about flash videos as they may contain active content but a great tool is youtube-dl which runs under python it also can require one of FFMPEG/AVCONV for some operations. Windows ...
Steve Barnes's user avatar
  • 31.6k
3 votes
Accepted

Flashgot alternative for Firefox quantum

I downloaded this https://slgobinath.github.io/uget-chrome-wrapper/ wget https://raw.githubusercontent.com/slgobinath/uget-chrome-wrapper/master/build/linux/install_uget_chrome_wrapper.sh sudo sh ...
Lynob's user avatar
  • 2,138
3 votes
Accepted

Grammar checker extension for Firefox

You should check out Grammarly they have plugins for FireFox, Chrome, Outlook and Word. They also have free and paid plans.
Dave B's user avatar
  • 176
2 votes

Tab stacking/groups plugin for Firefox, that is similar to Opera's?

Tree Style Tab is another option. The default changes the tab bar to the left but you can reset it to the top in the options of the addon.
opticyclic's user avatar
2 votes

Firefox extension to copy the title and URL of the page to the clipboard

All of the above recommendations are dead... I tried this one out just now, and it works excellently: Copy Selected Tabs to Clipboard (P.S.: Yes, I did use it to generate that markdown link. ;) I ...
Andrew's user avatar
  • 121
2 votes

Firefox: Alternative to Googlebar for other search engines?

In case anyone is still in need for some support in locale searching: I am using "SearchWP" for many years now. It was last updated in 2016 but that does not matter. It is a neat little add-on which ...
user3471872's user avatar
2 votes

Open source Firefox add-on to take screenshot of whole page

You can also press : or Shift+F2 to open the Graphic Command Line then type in screenshot filename to take a screenshot. To take a whole page, use :screenshot filename -fullpage. You can also visit ...
Ooker's user avatar
  • 840
2 votes

Alternative to Pocket (online bookmark storing)

Currently the best alternative to Pocket (formerly "Read it Later") is Wallabag. Features: runs on your own server completely free as in free beer cleans your webpages and stores them in a local ...
StefanS's user avatar
  • 335

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