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

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238
votes
13answers
66k views

How can I simulate a slow connection, or limit the bandwidth that Firefox can use?

Is there a way I can simulate various connection speeds from within Firefox? I need to be able to check http://localhost with varying speeds. I know there are standalone applications that can do ...
2
votes
4answers
143 views

How to install deprecated Firefox addon?

Is there a way to install a deprecated addon in Firefox? I remember doing it in Firefox 3 - can't remember how I did it exactly :(
0
votes
1answer
49 views

Are Firefox addons a security risk and if so, how can I block Firefox addons for certain websites?

For example I don’t want any addons being active when I do online banking. Is there an option in Firefox or an addon which allows for deactivating addons for a list of websites?
1
vote
1answer
1k 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 ( ...
2
votes
2answers
1k views

Firefox extension to that add rename feature to download dialog

Is there a Firefox extension that add a rename feature (for example a textbox) to Firefox's Download Dialog ?
1
vote
0answers
40 views

How to examine source code of Firefox extension before installing it?

Is there a convenient way to examine the source code for a Firefox extension before installing it? (There is a Chrome extension that offers this functionality, though I have not used it, and cannot ...
1
vote
1answer
84 views

How to redock the Firebug panel, Windows 7 64 bit

I did not know where I should ask this question. I somehow undocked firebug 1.11.4 but cannot redock it and it is so hard to use as a floating panel. I have googled this and found I am not the only ...
1
vote
1answer
116 views

where is the Firefox DownThemAll userdata stored?

I want to export the list of file-names and corresponding information like URLs of the files I have downloaded using DownThemAll (DTA). But as far as I know, it doesn't have this feature. So I want ...
6
votes
2answers
2k 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 ...
4
votes
2answers
985 views

Can't enable or disable extensions in Firefox

I try to enable or disable extensions in Firefox. It says "Restart Firefox to complete your changes". I press the restart button and it restarts. When it comes back up, the extension is unchanged. ...
0
votes
1answer
3k views

Firefox won't play Youtube videos anymore

I use Firefox as default browser on my Mac. For some reason I can't play Youtube videos anymore. Facebook videos work, and Youtube videos play fine in Safari. If I restart with all addons disabled, it ...
8
votes
7answers
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 ...
-1
votes
1answer
27 views

Firefox Plugin to highlight text and send to another person

I downloaded a Firefox plugin a few months ago which allowed me to highlight text on a web page. It would also generate a unique copy of the marked-up page and store it somewhere in the cloud. A URL ...
2
votes
2answers
756 views

Need a Firefox-addon to save a selected text as `.txt` file

Need a Firefox-addon to save a selected text as *.txt file. Is there a Firefox plugin for that? Operating system is Windows XP.
3
votes
5answers
743 views

Software to export firefox addons

I'd like a program which could zip up all of my addons in firefox so i can just move it to a new computer and walah install the same extensions/addons with one click. i know this is already developed ...
2
votes
3answers
2k views

Browser where I can add my own custom CSS or Javascript

Is there a way to load my own custom CSS or Javascript while using a browser? When I'm accessing a website or developing a website I want to load my own custom scripts from my computer. I know this ...
0
votes
1answer
83 views

Overlaying custom badge for each profile on Firefox icon on OS X

I am using profilist to switch between profiles without docking an additional icon, and I would like to be able to distinguish the icons by overlaying a custom badge on each of them, but I cannot find ...
1
vote
1answer
158 views

How can I make a specific image stop loading in Firefox?

I don't want to prevent all images from loading or stop loading everything, I just want to stop loading an individual image after I've seen that it's probably not something I care about so I can use ...
2
votes
1answer
933 views

Firefox addon “keyconfig” seems to be unique… But why isn't it in Firefox's repository?

I recently tried out an addon called "keyconfig", and it is ideal for what I want. It re-binds Firefox's shortcut-keys. I've not found any other way to do this. This addon has a public forum of ...
1
vote
1answer
29 views

How to use a common find text box for all tabs in Firefox?

Recent versions of Firefox have introduced a separate find box for each tab. Is there any config variable in about:config or any addon to disable tab level search in Firefox or use a common find text ...
1
vote
1answer
80 views

How to allow only specific domains to receive Firefox HTTP referers?

Until then to hide the http-referrer, I put the Firefox variable network.http.sendRefererHeader (in about:config) to 0. But when I want to log in edX this site ask me for my referrer. That’s why I ...
4
votes
1answer
489 views

Remove Firefox's Web Console

Firefox's built-in web console is conflicting with Firebug and stealing the JavaScript logs. How can I disable/remove this built-in web console?
5
votes
4answers
3k views

Firefox 29 + Tree Style Tabs + Tab Mix Plus: Open new tab with double click

After updating to FF29, I can't open a new tab when clicking on the empty area below the tabs. Edit: This is confirmed to be a change made by FF29, no addons have anything to do with it. See answer ...
9
votes
3answers
1k views

How do streaming videos download works?

I use Firefox and the Video DownloadHelper plugin to download videos from YouTube, etc. How do these plugins and sites automatically obtain download links for these videos?
2
votes
1answer
680 views

Can't I use the old Firefox Sync?

I recently formatted my computer and then installed the latest Firefox : 29.0.1 and now when I tried to access Firefox Sync, it asked me to make a new account. Last time I checked, all I had was a ...
1
vote
1answer
78 views

Is it possible to get the old dark Firefox developer console back?

The Firefox console used to be dark themed like this. Now it is white. Any idea how to get the old console back? I have Classic Theme Restorer, but couldn't find it there.
2
votes
2answers
823 views

CookieCuller on Chrome

What's the equivalent of the Firefox add-on CookieCuller for Google Chrome?
0
votes
1answer
324 views

Firefox Australis status bar not showing

Just restarted my Firefox and voila... "Australis" is installed (never clicked "yes I want this"), but oh well, get on with the progress, right? I am fine with progress, but there is no status bar ...
1
vote
2answers
105 views

Firefox extension for tab history navigation

I'm using a tree-style tab bar with many tabs open, and often jump between them. Is there a way or add-on that allows me to switch to the tab I was on before? Note that I do not mean to jump to the ...
3
votes
2answers
918 views

Firefox: DOM Inspector - Highlight element like chrome/firebug

In Firefox when you hover over a DOM element using the inspector it's marked by a transparent box with a dashed border. In chrome and firebug the DOM element is highlighted, showing the content ...
2
votes
1answer
704 views

How to create a desktop shortcut for the SQLite Manager firefox plugin?

I frequently use the SQLite Manager plugin of Firefox for playing around with a light weight database file I've. The problem with this is, whenever I have to open the SQLite Manager, I need to first ...
0
votes
1answer
30 views

Plugins for Firefox and Chrome for switching context?

I wuld like to have a plugin which would help me to change context I'm working with. Suppose I have two tasks I'm working on and I want to easily retain and restore groups of open tabs. Anyone knows ...
0
votes
1answer
83 views

Firefox/Chrome extension for setting multiple cookies at once from a string?

For developing reasons I sometimes need to setup a cookie from a string and test it in a browser. I usually use firebug or Cookie Manager+ on firefox, but I have to set each value one at a time, does ...
1
vote
0answers
92 views

Google chrome / firefox change modal/javascript based popups into internal tab messages

I'm looking for an extension (or an option) for both google chrome, firefox that has ability to convert authentication modal dialog boxes (for example SharePoint) where it blocks the whole browser ...
1
vote
2answers
346 views

How do I remap keys in caret mode and textarea mode in vimperator?

I use vimperator with my operating system set to an alternate keyboard layout. It's pretty easy to remap things in insert and normal mode with inoremap and nnoremap in my .vimperatorrc, but I can't ...
0
votes
2answers
218 views

Firefox plugin to update document after file saved

I like how CSS edit has a live preview which updates after you edit a CSS file. I've been doing similar with Firebug and tweaking CSS however that is only temporary. I usually edit files in Textmate ...
4
votes
1answer
267 views

Is there a way to maximize Youtube/flash videos to the size of window?

I have a single monitor on my home computer. Often when I'm using it, I'll put a video on the left half and whatever I'm working on on the right using W7's snap. I'd like the video to be the width of ...
1
vote
1answer
150 views

Is it possible to achieve the Opera 12 interface with Firefox or Chrome?

Maybe not Chrome, but I read somewhere that it's possible with Firefox and extensions (Someone said that in a comment). Does anyone know what extensions do I need for that? Basically I'm trying to get ...
3
votes
1answer
163 views

How do I prevent a web page from directly embedding data from other external sites?

I browse with Firefox and 50% of the time, I am behind a proxy. The proxy firewall blocks certain sites including Facebook, Pinterest, and Twitter. I am unable to obtain a complete list of blocked ...
2
votes
2answers
51 views

How to know which firefox addon is adding advertisement to all pages?

Recently I am noticing advertisement on every page I visit in Firefox. ( In chrome everything works fine ). Even in Stackoverflow/stackexchange I see advertisement ( Hover over text to see the advt) ...
1
vote
1answer
700 views

Is there an equivalent of the “MediaPlayerConnectivity” Firefox extension for Chrome?

The MediaPlayerConnectivity extension allows an easy way to play DivX and other streaming videos in external applications (like VLC). Is there something like this for Chrome? I want to play videos ...
1
vote
1answer
437 views

How do I clone a Firefox profile in windows?

I've copied %appdata%/mozilla/firefox/profiles/myprofile1 into %appdata%/mozilla/firefox/profiles/myotherprofile2 but if I do a text search inside the files of either profile directory you can see ...
0
votes
1answer
98 views

How can I replace one Youtube URL pattern with another via FoxReplace?

Youtube changed its layout again. Now to get to a user’s uploads page you have to click on their nickname, then on the “Videos” tab, and then filter by uploads-only from a dropdwon menu. If you also ...
7
votes
1answer
1k views

Adblock Plus - disabled by default and enable per site

I have Adblock Plus disabled by default at the moment, and I would like to block ads on some sites. Is this possible with Adblock, or do I need another addon?
15
votes
9answers
5k views

How to save a bookmark in Firefox with POST data?

I would like to save as a Firefox bookmark a page which is not accessible using GET. The only way to retrieve the page is to send some POST data. For example, I would like to bookmark a Chronopost ...
3
votes
1answer
137 views

How do I stop Adblock Plus from intercepting Crtl+Shift+V in Firefox?

Normally, Crtl+Shift+V means "paste text without formatting". When I install Adblock Plus or Adblock Edge in Firefox, it intercepts this keystroke to show some of its UI. There is no configuration ...
0
votes
2answers
27 views

How can I make Firefox annotate links which point to files such as PDFs, which won't be opened in Firefox?

I want Firefox to scan every page, and for every <a href="URI">Text</a> element, I want Text to be replaced with Text [PDF] if URI point to a PDF file (similar to Google Scholar results). ...
0
votes
2answers
166 views

Tool for sending mouse movement/click signals to a browser tab periodically [closed]

I'm running a flash application in the browser. The problem is, the application halts if there is no mouse action in 5 minutes. I need an extension or userscript which periodically sends mouse ...
41
votes
6answers
94k views

What is the “Google Update” Firefox add-on?

Browsing through Firefox's Add-ons list, I've discovered that there is one named Google Update, which I don't remember installing. How did it get on Firefox's list of installed Add-ons, or plugins, ...
1
vote
1answer
61 views

Is it any Firefox extensions that will let you run a tab with chromes engine?(Like IETab) [closed]

There is an extension for Firefox and Google chrome that let's you run tabs on Internet Explorer's render engine, so it will be displayed just like if you opened it in IE. Is there any similar ...