Questions related to extensions or plugins that enable, disable or extend the functionality of Mozilla Firefox

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0
votes
1answer
19 views

Deny websites to verify installed extensions in Firefox

When I visit websites they automatically detect which Browser I'm using and which extensions are installed on the browser (besides a bunch of other information). How do i deny websites access to this ...
4
votes
1answer
106 views

How do I make YouTube on Firefox cache the video so it doesn't need to buffer the next time I play it?

Okay just to be clear, I know how to disable YouTube's new DASH playback so that's not what I'm asking for. What I'm trying to do is make videos on YouTube be cached so that if I ever want to watch ...
4
votes
3answers
4k views

Does uBlock Origin make Ghostery redundant?

I have uBlock Origin installed in my browser, as well as AdBlock. Does having uBlock Origin mean there is no point to running Ghostery? Will Ghostery find and suppress any scripts that uBlock Origin ...
1
vote
1answer
19 views

running java applet in firefox

I am trying to get a java applet running on firefox however I can not get firefox to recognize the java plugin. I have both 64bit versions of Java and firefox however the plugin will still not show ...
0
votes
0answers
26 views

Firefox: Save a webpage as plain text with one key combination (no dialog box!)

my question is what is the most straightforward way one can save a web-page (in Firefox) as plain text file using a single key combination (like Ctrl+S or something similar), without hitting any "Save ...
-1
votes
0answers
19 views

downloading folders the easy way

I am trying to download files from a link https://files.secureserver.net/0fHCh0CLd6Az63 is there a way by which I can download the folders rather than manually going and clicking download option each ...
10
votes
8answers
2k views

faster alternative to firefox tab groups

I had about 200 tabs open in about 15 tab groups. Needless to say, Firefox wasn't lightning fast (even with the "don't load tabs until selected" option checked). The solution that dramatically ...
0
votes
0answers
33 views

Inactive Firefox uses too much CPU (10% .. 30%)

On Ubuntu 14.04, I have a Firefox 46 with 30 tabs open. The Firefox window is minimized, I've been working with other programs in the last 3 hours. In top I can see that Firefox still uses between 10% ...
0
votes
1answer
27 views

Disable navigation bar permanently

I'm looking for a way to start Firefox (I gonna use v38+ - Windows and Linux) loading a predefined URL and with its navigation bar disabled/hidden without any option to bring navigation bar back using ...
0
votes
1answer
33 views

Install Firefox addon in chroot environment

My goal is to install some Firefox addon inside some chroot environment. I see 2 options here: either run firefox with X from within the chroot and install the addons or put all the files where they ...
1
vote
0answers
20 views

How to prevent a Firefox parental add-on from being bypassed by editing files in the profile directory or creating a new profile?

FoxFilter is an add-on for Firefox that is supposed to provide parental control. However, I found the add-on to be easily bypassable in at least three ways: By running the Firefox profile manager ...
6
votes
4answers
2k views

Delete cookies in Firefox after specific interval of time

Is there any Firefox addon which will delete my all cookies after specific interval of time. I do not want to block any site's cookie; I just want all the cookies to be deleted after every 30 seconds ...
2
votes
3answers
3k views

View menu bar & bookmarks toolbar in Firefox 4 full-screen mode?

In Firefox 3.6, I was using the Autohide extension to enable the menu bar and bookmarks toolbar in full screen mode. But Autohide is not compatible with Firefox 4, and even its home page appears to ...
1
vote
1answer
192 views

Firefox : override website's JavaScript to a local machine JavaScript

There is a userContent.css available in Firefox to customize / override a website's CSS to a new one, but what about the JavaScript? How can I override a particular website's JavaScript or some part ...
1
vote
2answers
213 views

Is there a firefox add-on/chrome extension that will enlarge Gmail compose area?

Is there a firefox add-on/chrome extension that will enlarge Gmail compose area? When I'm on my laptop, half of the Gmail compose window is occupied the TO:, CC:, and the subject, so there is only ...
0
votes
0answers
23 views

How to get to the addons in Firefox via keyboard only?

To get to the addons on my Firefox's toolbar, I have to point and click on their icons to open their menus or dialog boxes I'm trying to find a keyboard-only way to get to them. I tried Tab-...
0
votes
1answer
739 views

Free Download Manager won't download YouTube videos in MP4

Free Download Manager used to be able to download HD MP4 YouTube videos, but every time I try to download a video I only get FLV files. I've set the videos to 1080p but they are downloaded as FLV (no ...
3
votes
2answers
43 views

Toggle images in Firefox on a per-tab basis?

Is there any way in Firefox to enable/disable loading of images (and ideally also scripts) per tab, and have links opened in new tabs inherit the setting? It seems like it should be simple, but all I ...
5
votes
2answers
2k views

How to remove User-Agent for Firefox

How to remove User-Agent for Firefox The goal is to remove this header from all web requests, in case you don't want sites to know which OS are you using.
1
vote
0answers
35 views

Lock Firefox Settings and Changes / Addons and about:

I would like to lock my Firefox. The quest is: don't let anyone or anything change something on my Firefox. I would like to block any changes (add-ons, settings, prefs). I created: as.js with: ...
0
votes
1answer
1k views

How to access the Firefox history remotely

I want to monitor the Firefox history of a PC from another remotely. Is there any add on or something else which exports and uploads / syncs Firefox history to an FTP server so that I can access it ...
1
vote
4answers
459 views

Using Firefox Pocket addon with Pentadactyl

I'm using Pentadactyl, a Firefox plugin which emulates vim-style keybindings and browsing. I've recently been interested in using Pocket with 'Automatically make all saved pages available offline' ...
0
votes
1answer
106 views

How to force to restart firefox in a clean way?

Many times when I upgrade the system under Linux, firefox pops up a window suggesting to restart the program in order to make effective all the changes. When I ignore that windows because of an ...
0
votes
1answer
31 views

Can a website track what extensions a browser is running?

I'm trying to find a way to track what extensions someone is using in their browser, but am unable to find any mention of this being possible. On the plus side, I don't see anything that says it's ...
0
votes
1answer
15 views

How to force Firefox suggest a specific link when typing a character?

For example, when I want to go to www.getpocket.com, my mind only remember the product name (Pocket), not the actually URL. When I typing poc, the first suggestion is the link that I want to go, but I ...
5
votes
4answers
3k views

How to see a list of all installed Firefox extensions and export it?

I was wondering if there is a functionality or maybe another addon for Firefox were I can export all my addons into a simple list - preferably txt or html. I mean only the names because I start to ...
6
votes
6answers
11k views

How to disable Flash plugin on Firefox, but with a whitelist? I mean *really* disable it

The background Ok, this is a toughie. I'm a Firefox user, and I don't like Flash ads. They slow down my netbook, they slow down my Macbook, they sometimes play sound or obscure part of the page, all ...
2
votes
3answers
6k views

How to install libav manually for Video Download Helper on Windows 7?

I'm trying to get the Firefox Extension "Video Download Helper" (VDH) to convert and record videos. The suggested way of doing this is to install a precompiled version of libav called "Convert Helper" ...
4
votes
1answer
119 views

Different color backgrounds for firefox windows

I'd like to organize my firefox windows so that each window has a group of related tabs. e.g.One for email, one for research, one for task tracking (using our web based task tracking tool) So that I ...
6
votes
1answer
3k views

Google Chrome like omnibar in Mozilla Firefox

How to make Firefox's awesomebar (addressbar) to work like in Chrome? I mean especially search (words search, not URLs) auto complete from search history. This addon ( addons.mozilla.org/en-US/...
16
votes
6answers
3k views

Chrome or Firefox extension that fixes Google search links [closed]

Is there any extension for a browser that allows you to change the structure of links in Google search, so that it doesn't look like this: http://www.google.com.ph/url?sa=t&source=web&cd=1&...
1
vote
1answer
40 views

How do I whitelist sites on a browser running the Bluhell Firewall add-on?

I am running a browser (Waterfox, a Firefox clone optimized for 64-bit Windows OS) with the Bluhell Firewall installed. I cannot find any obvious way to whitelist sites (such as stackoverflow.com :-). ...
1
vote
2answers
93 views

What is the recommended way (if any) to install the KeeFox Add-On on Mac?

I use KeePassX 2.0 on Mac OS 10.10.5 and Firefox 43.0.4. I would like to use the KeeFox add-on, but on the Mozilla page "Not available for your platform" shows up. Nevertheless I think I saw ...
0
votes
0answers
17 views

Pentadactyl - How do I use extended hints to open multiple links?

When using ;F to open multiple hints, the help file only mentions that the hints are delimited with (carriage return/enter). It looks as though I can filter by links containing a partial match. How ...
3
votes
3answers
251 views

What is the best solution to manage all my website authentication details?

Almost every single website requires authentication. Whether it's for my work, hobby, socialising, tech support or whatever, they all require me to enter my email address and choose a username and ...
0
votes
0answers
16 views

Firefox security policy or addon to deny ajax

I really do not like how some webpages abuse AJAX requests polling the servers every other second for some page update. It eats bandwidth, and generally sucks. While I am not concerned with bandwidth ...
14
votes
6answers
13k views

Disable/enable the proxy on a tab by tab basis in Firefox

Is it possible to disable/enable the proxy connection on a tab-by-tab basis in Firefox? I can access the internet with the proxy enabled, and I can access our internal servers with the proxy disabled,...
0
votes
0answers
18 views

Share FireFox's Session Manager sessions

I use FireFox at home and at work. I'm able to use DropBox on both. I wanted to share a FireFox's Session Manager session on them, so that pages I leave open at home will be available next day at ...
1
vote
0answers
17 views

Force Firefox to run as non-Admin?

Some of my programs running as Administrator launch Firefox via a link they need to open. The problem is, this opens up Firefox as Administrator as well. If I need to open a link from another program ...
6
votes
2answers
3k views

Unblocking at element-level in uBlock Origin

There's one crucial feature from ABP that I haven't found in my (one week of) uBlock0 usage - the “Open blockable items” feature that allows me to allow and disallow at the level of page elements. ...
0
votes
2answers
76 views

How to Remove Private browsing from firefox V44

Is there a way to remove the entire option or just to disable private browsing in firefox V44.0(linux). I serched in google and sould only find answers or older version of firefox. I also tried "...
1
vote
1answer
40 views

How can I open the settings of a Firefox extension in a new tab?

I change the customization settings of one of my Firefox extensions quite frequently. After a while it starts to get old going to the extensions list and finding a particular extension in my list of ...
4
votes
1answer
237 views

Firefox ignores setting for new-tabs default page after update to V41

I use the Super Start add-on with Firefox (it's a "speed dial" and organizer for URLs). I have it set as the home page and the default content for new tabs. Since Firefox was updated to version 41.0,...
0
votes
1answer
42 views

Firefox extension to speed up the playing of youtube videos

I can speed up HTML5 Youtube videos by hand by clicking on the rounded shape (setting of a video) then set it from "Normal" to ex.: 1.5x. Question: How can I set a default play speed to 1.5, so I ...
0
votes
0answers
19 views

Why doesn't `*.syscarewarning.info` work on adblockplus?

I've added a custom filter (*.syscarewarning.info), for example, to adblockplus. It appears to match the syntax guide: https://adblockplus.org/en/filters. Unfortunately, it doesn't work (WARNING ...
7
votes
3answers
5k views

How can I spell check web pages from the browser?

How can I spell check web pages when browsing them? I've added the After the Deadline Chrome extension, but it only seems to work on forms and not whole web pages. I'm happy to use Firefox if that ...
4
votes
2answers
18k views

How do I copy the contents of a dropdown list to paste into a text document?

I'm looking for a tool that surely must exist somewhere... There's a dropdown list on a webpage with numerous values in it. I simply want to copy these values into the Windows clipboard and paste ...
0
votes
2answers
93 views

How to configure shift + left click to be 'copy link' in Firefox

I want to copy some links into clipboard manager; the standard right click -> copy link is not convenient.
0
votes
0answers
16 views

Firefox external onfly interaction

Background: I'm trying to make a set of scripts to allow myself edit stylish themes in external editor (vi in my case). In order to do that I store styles.css as external file, edit it and upload with ...