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

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3
votes
4answers
1k views

Have an add-on for Firefox like NoScript, but for cookies (that make possible to whitelist while surfing the web)?

I have NoScript installed on Firefox, that blocks every script on pages. I have to manually allow any scripts that are run on my browser. I would like to have a similar add-on like NoScript, but for ...
1
vote
1answer
71 views

When launching firefox, it does not show in applications but is showing in processes

I am running a Windows 7 x64 system. Over the last few weeks Firefox Version 40.0 will only launch the first time. After exiting, the next time I launch it it will not show anything on the screen. ...
29
votes
3answers
20k views

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

I am essentially asking for a Firefox equivalent to the Chrome extension called MuteTab - a way to identify which tabs are making sounds and then mute them accordingly. Is there a such extension for ...
0
votes
1answer
31 views

Customise Firefox

Is there any way to remove all the buttons(including tab close and browser close min max buttons), Bars(title , tab, menu, ect. ) in firefox but with out going to fullscreen. Yet there should be a way ...
7
votes
1answer
6k views

How to force install an unverified firefox extension in 41.0b1+?

The latest update to Firefox (41.0b1) aggressively blocks the installation of unverified extensions, namely HTTPS Everywhere and Privacy Badger. How might I be able to force these extensions to ...
0
votes
0answers
36 views

Rearranging add-ons buttons on Firefox toolbar

I'm trying to customize my Firefox window - I want some of the add-ons buttons to appear on the upper toolbar (right to the search bar), some on the left of the back/forward arrows and some of them on ...
1
vote
1answer
69 views

How do I set Firefox to go to the previous tab rather than the next, when a tab is closed?

(This might be similar to How do I get Firefox to return to the previous tab when closing a tab? [at least if I'm interpreting that one right], but the accepted and only answer there - adding a big ...
3
votes
1answer
983 views

Firefox extension for one-click SSL override?

When I visit a site with an invalid SSL certificate, I get a message saying "This connection is untrusted". If I want to visit it nevertheless, I have to click "I understand the risks", uncheck "...
0
votes
1answer
347 views

Firefox - any way to override Server Name Indication for troubleshooting?

I use firefox extensively to access and troubleshoot a myriad of webapps, many of them running on apache virtualhost'ed environments. One problem I've been having is that on SSL-enabled servers I can'...
0
votes
1answer
62 views

Is there a way to add some padding to Chrome or Firefox between the top of the actual window and the top of the tabs?

I'm using Chrome on a VM (I can also use FF) and there is a toolbar that has a tendency to get stuck at the top of the page (it won't retreat back into hiding like it's supposed to) and that makes ...
1
vote
1answer
609 views

How to enable Firebug alpha on Firefox Nightly?

I use Firefox Nightly and the alpha release of Firebug 3.0. Until today, I've never had a problem with that Firebug extension. Today, however, when updating Nightly, I was notified that Firebug had ...
5
votes
3answers
416 views

How can I auto-select the spellcheck language in Firefox?

Firefox spell-checker is puzzling me. I'd like to auto-select the language, but searching google I've only found this relevant link which suggests this old unmantained addon which just doesn't work (...
0
votes
0answers
21 views

FireFox Crashes Often, Mostly When Using A Search Engine

I already use Bing but FF39.0 crashes daily (not responsive) usually when I've submitted a search. It crashes, then the "Oops" and I have to restart. This isn't the best thing to hapen when I am ...
24
votes
3answers
2k 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 ...
2
votes
1answer
74 views

Distribute Firefox add-on internally

We (company) are developing a Firefox addon intended to ease the work performed on a department. The addon was developed to communicate specifically with our software. I wanted to know if there's a ...
2
votes
1answer
3k views

How can I retrieve POST data in Firefox without use of an addon?

This is a bit of an emergency. I've written a very large article without saving my progress (I know, not the brightest), and when I submitted it, I ended up being redirected to an error. If I hit ...
0
votes
1answer
166 views

How to make Firefox 39 display the page title of the active tab in the window title bar?

After upgrading to Firefox 39, the title of the page in the currently active tab is no longer displayed in the browser window's title bar. (In fact, there is no real title bar at all, even after ...
15
votes
2answers
3k views

Is there a way to search the text of my browsing history in Firefox?

I often find myself in the situation where I know I saw something in a web page recently, but don't remember where. I would therefore like to be able to do a full-text search of the contents of my ...
1
vote
3answers
10k 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 bookmarks?...
0
votes
0answers
64 views

Live HTTP headers give a 400 error

In Mantra-Firefox, I have a problem in the Live HTTP Header. When I click in Replay and Replay, with no changes in headers it, retrieve a Bad Request error. I'm grateful for any answer.
1
vote
0answers
49 views

Access US-based web sites without using VPN? [closed]

A site I'd like to read is off-limit to non-US IP's. Since it's the only site I read that is thusly restricted, setting up a VPN just for this seems overkill. So I was wondering if there's some ...
0
votes
0answers
49 views

firefox plugin/addon/hack to allow chromes' omnibar TAB search?

In chrome when you type a website name, say youtube.com then press TAB you can then easily search the said website for keywords without loading the site first. gonna save you some time. i found and ...
0
votes
0answers
99 views

Latest Flash Player 18 Doesn't Upmix The Stereo Sound to 5.1 Surround Anymore

Old version of flash player and firefox was upmixing stereo sound to 5.1 on youtube and other online players. I did an update today and it is not anymore. What can I do to get it done as before? Bass ...
4
votes
1answer
275 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
1answer
52 views

Any modified Firefox plugin is auto-deleted upon starting Firefox - How do I stop that?

When I rename an .xpi to a .zip, unzip it, delete the original .xpi, re-zip the directory, and rename it to .xpi, Firefox deletes this "touched" file upon restart (nothing really changed, other than ...
2
votes
2answers
870 views

Pentadactyl/Vimperator: howto copy image to clipboard

My question is about the Firefox add-on Pentadactyl (the question is also relevant to it's parent project Vimperator). In Pentadactyl, there is a way to save an image: ;s At this point, you select ...
0
votes
1answer
34 views

Why there is no external addon/extension for internet explorer?

Why there was no extenal[third party] addons/extensions for internet explorer?is it there any technical reason behind it or it was just a microsoft glitch to prevent opensource stuff? what were the ...
2
votes
0answers
176 views

Firefox not opening pdf files

I've been using pdf.js in Firefox for some time (Firefox 38.0.5 currently and Windows 7) and pdf.js was ok. However lately, I noticed that pdf.js isn't being opened anymore and instead nothing ...
1
vote
1answer
432 views

not able to screenshot full webpage in SharePoint 2013 using Firefox

Does anyone know why I would not be able to do a full screenshot of a SharePoint 2013 webpage using firefox? I have tried Nimbus and Awesome screenshots plugins as well as the command line option: ...
4
votes
3answers
5k 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
90 views

Normal Command Prompt / Console in Visual Studio

Is there any way to add a normal command prompt to Visual Studio? I realise the Command Window is the Visual Studio IDE command window. I would like to have the command prompt "CMD" as a window ...
0
votes
1answer
197 views

Where Do Not Track Me / Blur saves its login info?

I'm using Do Not Track Me / Blur with Firefox. It has a setting where it saves the username and login info automatically for the sites you visit (the "remember login accounts" option, see below): ...
0
votes
1answer
471 views

S3Fox Exception: Too Many Arguments

I'm running the S3Fox add-on in FireFox 38.0.1 Getting this error when I try to download a file from Amazon S3 to my local PC: [Exception... "Not enough arguments [nsIWebBrowserPersist.saveURI]" ...
1
vote
1answer
95 views

KeePass, KeeFox - default password for ULR

Imagine you have multiple password for one URL. For example, two accounts on one web forum. Seems like KeePass (or KeeFox - extension for Mozilla Firefox) types last saved password. Now how to tell ...
1
vote
1answer
119 views

command to press a key after delay ubuntu

I'm trying to make firefox automatically fullscreen on startup. I've tried a couple extensions that all crash firefox. Firefox also automatically starts on system startup. I think the easiest ...
241
votes
3answers
89k views

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

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 ...
0
votes
1answer
100 views

How to make install Chrome extension for Firefox

I read with great relief that I can add strikethrough formatting to Gmail with the add-on described here—the description says it works with Chrome and Firefox. But the link in that post takes me to ...
5
votes
4answers
643 views

Firefox addon for managing text width

While reading, I prefer that the text width is "reasonably" small and centered in the middle of the window (just to make an example, pick a blog post layout or the layout of SuperUser itself, which I ...
0
votes
1answer
269 views

How to send Http Delete Request with json content inside it

I am using Firefox addon HttpRequester to send HTPP Delete Request with json content inside it but after generating the request, it is completely ignoring the content data passed in the request. So ...
0
votes
0answers
64 views

Is there a way for Firefox to preload a website?

Is it possible to have Firefox preload a tab for say Google Search but keep it hidden unless I try to go there? My network is pretty slow and this would save me much time as I use Google often.
-1
votes
1answer
1k views

Use Firefox to open an external program and pass the URL as a parameter, ie click to stream with MPC

I'm looking for an add-on or another way to have Firefox (or Chrome or anything else really) open an external program when clicking on certain links and send the URL I clicked to that program. I know ...
0
votes
0answers
2k views

Connecting to OpenVPN Server via Chrome/Firefox Browser

I'm planning on running a OpenVPN Service on my Raspberry Pi to encrypt only Browser Data from Chrome or Firefox and therefore I'll be setting up the RPi as a OpenVPN Server. I plan on following http:/...
4
votes
3answers
1k 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
43 views

How to remap Firefox to always use Cmd key for new tab

I'm trying to migrate from Chrome to Firefox under OS X and this issue is extremely annoying. In Chrome pressing the Cmd key is a universal for "do this in a new tab" command. It works for addresses, ...
0
votes
1answer
1k views

How to reload javascript modules for Firefox extension development?

Currently, when I develop a Firefox extension that uses JavaScript Modules (JSM), then I have to disable the extension -> restart Firefox -> enable the extension -> restart Firefox in order to execute ...
11
votes
8answers
2k views

Next Firefox version: how to *easily* check extension/add-on compatibility?

Question: I currently use Firefox 3.6. Before I install the next version of Firefox (Firefox 4 at this time), is there an easy way to check which of all my installed extensions/add-ons are ...
0
votes
1answer
65 views

Is there a way to mock earlier versions of Firefox?

I'd like to develop a website that is compatible with firefox 10, but I'd rather use a more up to date browser (firefox 30+). Is there a way to view web pages as though you're using an older browser (...
0
votes
0answers
18 views

Logging out of pages on screen lock?

I want to log out of web sites such as GMail, Twitter, etc when I lock my PC. How can I achieve that? I'm using Firefox on Windows 7. I've searched the Firefox extensions and haven't found anything.
4
votes
2answers
826 views

How to back up and restore firefox tree style tabs?

I use the popular Tree Style Tab firefox extension. How can I back up all open tabs and later restore them, yielding the same tab tree? The backup could be saved to the bookmarks database, or to a ...
0
votes
1answer
73 views

How to export a single Firefox extension(antivirus) as an installable xpi file?

I want to know how can i export my antivirus extension as an xpi file ?? i used FEBE add-on,but it was unable to backup the extension . I search all the net but no helpful way.