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

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3
votes
3answers
364 views

How to test which addon makes Firefox unstable?

I have installed a lot of addons and recently I find that Firefox keeps increasing memory usage and sometimes hangs after 30 minutes running. It's hard to test them one by one. Is there a better way ...
2
votes
1answer
187 views

Force caret / focus somewhere in the current viewport while browsing the page

Note: this is strictly Firefox question, as I have way too many addons to switch. However, if you know if I can do it in the other browser, your posts are welcome as well. I am trying to switch to ...
1
vote
2answers
1k views

Turn off tabbed browsing: Chrome/Firefox - Is it possible? [duplicate]

Is it possible somehow to revert back to the old browsing habits, i.e. no tabs in Chrome or Firefox? I stumbled the web but I cannot find the answer to this question.
5
votes
1answer
488 views

Custom names for tabs in Firefox?

I want to have custom names for some tabs in latest firefox. I have lots of tabs open and some of them represent different build of the same application. It means that I can see the same favicon and ...
0
votes
1answer
323 views

CentOS 5.6: Setup global extensions in Firefox 10.0.1

I have setup Firefox to run off a server for a group of people, so that it runs for them without a local install. Now, I wish to also setup a few extensions globally, which would be available to all ...
0
votes
0answers
50 views

Firefox Plugin or proxy for extended caching

I regularily use a site that is quite slow and sometimes unreliable. Unfortunately it disallows caching in the browser. Is there a firefox plugin that allows me to cache the content anyway? Ideally, ...
1
vote
3answers
728 views

How to save firefox addons for offline installation

I wish to save firefox addons & extenstions and install it offline, Is it possible to save the addons and install it later offline?
4
votes
1answer
1k views

Disable stylish on certain sites in firefox

I use dark theme in the Firefox, however sometimes I visit several sites that don't need such theme. I want to see them in original style. I found the way to enable specific features per site with : ...
-4
votes
1answer
66 views

Is there a browser add-on that imposes a cooldown period for websites? [duplicate]

I'd like to prevent myself from opening a given site (e.g. facebook.com) too soon after the last time it was opened. Is there a browser add-on (ideally - for Firefox) that does that? Or I should write ...
1
vote
1answer
110 views

Extension to turn off certain page element?

Does anyone know of a browser extension that allows you to disable an HTML element by id or class on a given web page? I prefer to use Chrome, but a Safari or Firefox solution would be great too. ...
17
votes
2answers
8k views

Is there a way to indicate what Firefox tab is making sounds?

I know that this is a very old issue, but it is still relevant as there has not been a solution to it in over 3 years now. But what I am essentially asking for is a Firefox equivalent to the Chrome ...
1
vote
2answers
447 views

How to save Bandwidth used on Firefox

My ISP is charging me per GB for download. I need some solution to save Web pages on firefox and when I open page again, FF load it from cache offline.
0
votes
0answers
38 views

Is there any Firefox addon that use local installed tts engine to speak texts?

I used to use Speak It but it seems to have been dead for a long time so I am looking for an alternative which also use local installed tts to speak texts on Firefox.
0
votes
1answer
590 views

How to hide McAfee site advisor icon from firefox?

My work machine comes with McAfee siteadvisor installed and it places the most inconvenient icon in firefox This makes it very difficult to add new tabs or navigate to the tabs right under the ...
1
vote
1answer
2k views

Send a custom HTTP header to one certain host only

Is there a way (Firefox add-on or about:config setting) to send a custom HTTP header for requests to a certain host? Example: Send the header Foobar: true if (and only if) I request a resource from ...
0
votes
0answers
20 views

Is there a way to disable a Firefox extension with AutoHotkey?

I would love to be able to do that with Vimium. That would be a big productivity booster.
1
vote
1answer
124 views

How unsafe are browser extensions/add-ons/plug-ins?

Chrome and Firefox have a lot of extensions, some of which are very useful. When you install them, they say they need access to all of the user's web page data.: (1) Is this a threat to online ...
1
vote
3answers
11k views

Using the Firefox addon “Modify Headers” to change Referrer

Hey there, I want to quickly and easily change my referrer to test something... In the past I know there was nifty little Proxy programs that allowed you to enter whatever you wanted as your HTTP ...
-3
votes
1answer
525 views

Is there a plugin that lets you switch firefox versions [closed]

Is there a plugin, that lets you switch firefox browser mode, the way you can do in IE? I want to see how my CSS renders in older ff versions. (To be exact, I want to see, how it renders on ff for ...
0
votes
2answers
473 views

How to display size in kilo bytes of webpage?

I am developing mobile application in browser and I desperately need to know the total webpage size. Is there a extension in chrome or firefox that tell you how much KB has the webpage consumed?
1
vote
0answers
130 views

Is there a way to automatically synchronise the Speed Dial Firefox add-on at browser start-up?

I am an avid user of the Speed Dial add-on for the Mozilla Firefox browser. I use it on a number of GNU/Linux systems which all have access to a GNU/Linux file server. Here is my question: Is there a ...
1
vote
3answers
5k views

where does Speed Dial firefox extension store user bookmarks'?

I've lost my URLs in Speed Dial. However I have found what appears to be a backup file (extension .speedial). How can I restore my URLs from this file? Where does Speed Dial store its user ...
3
votes
2answers
832 views

How do I set the computer to auto shutdown or standby / sleep after all downloads finish?

The 'Auto Shutdown computer after all downloads finish' extension that I used for Firefox 3.6 - Auto Shutdown 3.6.2D by InBasic , does not work with Firefox 4 or higher, even if I tweaked it to force ...
0
votes
0answers
155 views

How to save down currently displayed HTML page - Firefox?

I have a webpage that I need to save down. I load the page with AutoPager. But saving large pages loaded with AutoPager just won't work. (see my Q) What I see on the page would be perfect (in HTML, ...
0
votes
0answers
58 views

Cannot save down page that's been loaded by AutoPager

I have a rule in AutoPage for a custom site. The rule works perfectly, I get my pages loaded. However, after they load, I just can't save the webpage. The download manager in the top-right corner ...
0
votes
1answer
44 views

newsfox forbids me add new feed

Google Reader is going to die and I am trying to be adapted to newsfox, what annoys me is that sometimes when I add a new feed it tells me that 'xxx' already reads this feed. Actually I did ...
4
votes
1answer
95 views

Firefox Portable: addons are marked as “not compatible”

I'm using Firefox Portable from portableapps.com, the program is stored in my Dropbox folder. Everything works OK, except for a few addons, namely: LastPass and URL Alias. When I finished to work ...
1
vote
1answer
596 views

Hoverzoom alternative for Firefox

I used to use Hoverzoom on Chrome. I moved to Firefox recently and I'm looking for a similar alternative. Is there a Firefox version / port of Hoverzoom? If not, is there a similar extension?
1
vote
1answer
83 views

Possible to only have 1 English dictionary instead of 30 in Firefox?

When I right click on a text field in firefox 22 and select "Language" from the pop-up menu, I have ~30 English dictionary variations. I have not installed them since this is the default firefox ...
0
votes
1answer
296 views

Access HTTPS from different port

While web browsing, how do you redirect HTTPS URLs to a port other than the standard 443? Due to Windows XP's inability to handle name-based hosting with SSL, I'm forced to remap port 443 to a unique ...
1
vote
1answer
1k views

Why does Firefox plugin check report Shockwave Flash as outdated?

I have a Debian x86_64 system with Firefox installed from Mozilla's tar.gz. On the addons page (hit CONTROL+SHIFT+A then go to the Plugins tab) there is a link: "Check to see if your plugins are up ...
1
vote
1answer
82 views

Make firefox to not ask to remember password

I have LastPass installed in Firefox which works fine, still Firefox asks me to remember password on many websites. How do I disable this feature? I want Firefox to not prompt for password because ...
6
votes
2answers
3k 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 ...
1
vote
0answers
332 views

Firefox - A vertical tab addon that works with All in One Sidebar

I have All in One Sidebar (AISO) installed and am loving it. now, I was thinking of installing an addon that would display my tabs in the sidebar in a vertical way. Also, this sidebar should ...
0
votes
1answer
330 views

Move all open Firefox tabs into a bookmark folder

I have about 50 tabs open and would like to create a folder in the bookmarks and bookmark all those tabs at once and add them to that folder. Is this possible with a trick? or maybe an add-on?
0
votes
0answers
380 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 ...
1
vote
1answer
1k views

Force Firefox to use HTTPS for every connection [duplicate]

Is there an addon to force good 'ol firefox to append an 's' at the end of the http on the url bar, so all connections could be https? I know not every server has SSL, but in case they do, is there a ...
1
vote
1answer
656 views

How to configure firefox built-in pdf viewer

I want to configure my pdf.js in Firefox. Specifically, I want to set the default zoom from auto to something else, say 150%. I found a pdfjs.database in about:config, which has a "zoom":"auto" in ...
3
votes
1answer
3k views

How to enable extension when running Firefox for the first time?

I need to run Firefox each time in a new profile directory with my extension enabled. What I do is the following: Create temporary directory for storing profile (/tmp/profile.123) Create extensions ...
1
vote
1answer
153 views

How to make Firefox open all links in private tabs except those whitelisted?

In the last Firefox versions the possibility to open private tabs was introduced. Is there some way to open any link by default in a private tab except links from a whitelist? My goal is to prevent ...
15
votes
2answers
894 views

How do I prevent pages I visit from overriding selected Firefox shortcut keys?

In Firefox, how can I prevent pages from overriding Firefox built-in keyboard shortcuts through Javascript on a per-key basis? Preferably on a per-site basis, too? The most frustrating override is the ...
3
votes
2answers
737 views

Move FF “Find Toolbar” to top

Is there a way to move the "Find Toolbar" in Firefox from the bottom to the top of the window?
2
votes
1answer
175 views

Show if I have visited a website before

Looking for an app or extension that would tell me if I have visited a website before. I am not looking for a historical website tracker in a searchable form like you would use to track where your ...
1
vote
2answers
3k views

Need software to save videos from 4tube.com - to watch the videos smoothly

Isn't there a programs that will capture screen writes at the hardware level? I have tried several Firefox add-ons, and several stand-alone programs, and none of them will save videos from this site. ...
-2
votes
1answer
122 views

Firefox check for latest graphics card drivers? [closed]

I was wondering whether it's possible for Firefox to check the status of the graphics card drivers - in them being up to date or not. If currently not possible is this planned to be included, ...
4
votes
3answers
2k views

What is killing my computer? 16GB RAM system is not utilising its full potential

The story begins with the release of Firebug. I love it as a tool, but Firebug + Firefox are the killer combination. Let me start by introducing two system reports: 1) CPU 2) RAM usage. I've been ...
1
vote
0answers
92 views

Fennec: Javascript at end of page load

I'm looking for resources (or even better an template-addon) on how to run a simple Javascript 'Hello World' when a specific page has finished loading in Firefox mobile on Android (Fennec). Basically ...
1
vote
1answer
98 views

Is there a print-friendly/mobile page redirector for Firefox?

When clicking through search results, you often end up on a print-friendly page or a mobile page rather than the full page you were after. Using an add-on like Redirector, one can write rules to ...
2
votes
1answer
101 views

How do I download Firefox's new “No restart” add-ons?

I want to download the Firefox's new "No Restart" plugins without having to install them. Does anyone know a way to do this?
1
vote
1answer
328 views

Remove icon from bookmark in firefox toolbar in userChrome.css

I am trying to remove the icon of one specific bookmark in the bookmarks toolbar of Firefox (20.0). That is, the dotted box just to the left of "Read Later" in the following image: I have my ...