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

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2
votes
1answer
49 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 ...
13
votes
2answers
7k views

Google Chrome extensions in Firefox

Chrome has a significantly more restricted extension API than Firefox; it mainly just consists of content scripts (with background pages) and a couple of hooks for context menus and popups and such. ...
2
votes
1answer
2k 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
34 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 ...
5
votes
2answers
117 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 ...
11
votes
3answers
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
1answer
17 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 ...
1
vote
3answers
7k 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 ...
0
votes
0answers
10 views

Owasp-mantra freezes when I use Tamper Data

In Mantra-Firefox, when I select Tamper Data, then Start Tamper, then Tamper, it freezes . I'm grateful for any help.
0
votes
0answers
22 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
28 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
16 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
48 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 ...
3
votes
1answer
250 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
32 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 ...
0
votes
3answers
141 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' ...
2
votes
2answers
800 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
24 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 ...
0
votes
0answers
31 views

I need to setup an automatic firefox proxy for some urls not for every page I visit? (Define rules to enable proxy based on request link address)

I'm using latest version of firefox (38.0.5 currently) and I need to use proxy configurations only for some urls not for every page. I searched and after googling I found an addon for firefox named ...
0
votes
0answers
15 views

How to trace cause of Firefox segfaults?

Firefox has been segfaulting on me a lot lately. The console output isn't helpful and I have not been able to notice a pattern or relate it to any actions I take. I presume one of the many addons I ...
2
votes
0answers
102 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
239 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
4k 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
0answers
351 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" ...
1
vote
1answer
33 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 ...
29
votes
3answers
17k 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
113 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
226 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
49 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
32 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 ...
0
votes
0answers
15 views

Pentadactyl tabopen all matching links

I'd like to open a whole mess of links, each in there separate tabs. I've got a pattern (here's its as simple as @ to identify all the links. So, i could type F@ and see all the links I want to open ...
242
votes
3answers
74k 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
49 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 ...
0
votes
0answers
68 views

Rikaisama to Anki real-time import: Error, current note type does not contain the following field: 'Meaning'

In Rikaisama, when I press the Real-Time Import key, I get this error: Even though Anki is open on this deck which definitely has a Meaning field: What am I doing wrong?
5
votes
3answers
1k views

How do I individually mute audio per tab in Chrome or Firefox?

Is there a browser add-on (Chrome/Firefox) to individually mute audio per page/tab? This would be great when listening to music while browsing sites that play audio without asking for user prompt ...
5
votes
4answers
543 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
44 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 ...
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 ...
0
votes
0answers
39 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
289 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
339 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 ...
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
0answers
10 views

How to combine JSLint and Firefox Addons-SDK inside Bracktets?

How to combine JSLint and Firefox Addons-SDK inside Bracktets? I get the error: 'require' was used before it was defined. And other such errors.
0
votes
1answer
29 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
0answers
18 views

“Universal print” for firefox sends only first tab to printer

I want to print few tbs into pdf file\s. I downloaded Universal Print for firefox and then i would print with "Cups-pdf" or "pdfWriter" applications for Mac. It used to work, but today it prints ...
2
votes
1answer
1k 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.
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 ...
0
votes
0answers
44 views

Java Application Error while code signing for signing control in firefox

While code signing for Firefox crypto control, I was prompted with below error. Its a Java Script Application. psigntoolext_signArchiveFile(): xpsigntoolext_extractArchiveFile() failed - ex : ...
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
49 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 ...