Questions tagged [firefox]

An open-source web browser developed by Mozilla. If relevant to the question, also include the tag of your operating system.

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1answer
17 views

In Firefox, how can I copy a tab's URL if I have already deleted the URL?

Suppose I have opened https://www.example.com in a Firefox tab. Then I deleted the URL from the address bar (e.g. using Backspace). Is there a way to get back the URL without reloading the webpage? I ...
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14 views

Sometimes tabs take long to open, with the firefox loading animation appearing for a long time

Sometimes tabs take long to open. I keep seeing the loading animation firefox has for the tab but it takes long to disappear. This can sometimes be for 3, 5, 10 or 30 minutes. Disabling or enabling ...
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10 views

How to I disable browsers from registering as Windows 10 media playback sources?

I have one native music streaming application which I keep open almost always and use media controls (play/pause, skip, etc). This app registers with Windows 10 as a media player - awesome. Frequently ...
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1answer
34 views

Platter-based hard drive clicking only when performing a certain type of disk write

I have a 2.5" platter-based hard drive that makes a clicking sound only when performing a specific function. Otherwise, it is very quiet. The function is when I download a large file (over 500MB)...
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2answers
36 views

DNS resolution delay for entries in /etc/hosts

For the purposes of doing web development, I have several domain names specified in my /etc/hosts. These represent several different websites that are being run locally. 127.0.0.1 site1.local 127.0....
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1answer
35 views

Don't let websites overwrite clipboard in Firefox without explicitly giving permission

Apparently websites can overwrite the clipboard using the JavaScript Clipboard API without any notification to the user — as discussed in this Reddit thread — which is a little scary. Is there a way ...
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3 views

Firefox sync : how to open all tabs on target system?

Using Firefox sync, I can see all tabs from source system, and open them one at a time. How do I open all of them with one click?
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11 views

Firefox webpages display white background despite using Dark Reader and Shadowfox

I've installed and implemented Shadowfox, Stylus ("Global Dark Style" template) and set dark reader on but websites still display a white background. A perfect example is the mozilla help ...
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173 views

Mute microphone on website

I have to use a website without a mute button (imagine video call that doesn't have a mute button). I want to be able to mute without disabling mic (as this forces me to reload the page). Is there any ...
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43 views

Correct pixel format/codec for desktop streaming as dummy webcam

I've loaded the v4l2loopback kernel module, then started to grab the desktop screen and send it to the dummy webcam device: ffmpeg -f x11grab -framerate 10 -video_size 1280x1024 -i :0.0 -vcodec ...
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19 views

PowerShell Process Mitigations Not working

I have a script that enables the following process mitigations for firefox via powershell: Set-ProcessMitigation -name firefox.exe -enable sehop Set-ProcessMitigation -name firefox.exe -enable ...
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1answer
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Firefox 68.12.0esr (64-bit) it crashes on loading web pages

Firefox 68.12.0esr (64-bit) tab crashes on loading web pages. Centos 7 host VirtualBox VM Centos 7 Guest with 3d enabled.
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25 views

What data is shared between browsers?

I will set the stage - I use Google Chrome and Firefox. On my chrome I am signed in with all my accounts and have multiple adblockers, tracker blocker, HTTPS only plugins etc. I usually use Firefox ...
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How can one disable supported crypto groups in Firefox's TLS support

I know how to enable/disable a particular cryptosuite in Firefox, with the settings like security.ssl3.rsa_des_ede3_sha in about:config. But I can't find how to do that with supported field groups, ...
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8 views

Keep search engine in firefox with shared profile

I have a dual-boot with Windows and Linux Mint. I use a shared profile for Firefox as described here: https://wiki.ubuntuusers.de/Mozilla_plattform%C3%BCbergreifend_nutzen/ The most works fine, but ...
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Is anonymity through TOR a hoax? [closed]

I've recently installed the TOR browser bundle and tried different settings (e.g. with/without bridges), but all the sites I visit invariably detect the country from where I'm making the connection, i....
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Getting logged out of Google and Reddit after a few weeks for no reason [migrated]

First of all, I'm using the latest Firefox on the latest Windows 10, and I have 2FA turned on for my accounts that's why it's a pain to log back in every time. Also, the problem only occurs on Google ...
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19 views

Not able to access particular websites (sub-domain) until I load the main domain site first

Here's a weird thing I'm encountering. I'm trying to visit a website from my computer (Win10/V2004) and I'm unable to open it until I load the main domain site first. Now if I want to visit https://...
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15 views

Starting Firefox with a specified profile, crashes when browser tried to access microphone or camera

Sorry this is probably a very niche bug. I created two different applications to launch Firefox with different profiles and have them use different icons for easy app switching. I followed the steps ...
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13 views

How can I filter stackoverrun using Google (Or Firefox if not)? [migrated]

I usually search in google for stackoverflow answers and there is a lot of "fake" pages that I want to filter, like stackoverrun and so on.... I really hate them. There is any way to filter ...
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1answer
16 views

How do I restore firefox addon that has been removed from toolabar?

I accidentally clicked on remove from toolbar option for one of my firefox add-on. The add-on is still installed, but not visible on the toolbar. I couldn't find any settings that would allow me to ...
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Disable transition for tab window in Firefox Mobile? [migrated]

in the latest version of Firefox Mobile (Fenix, Nightly 201010; alternatively latest release), there is a transition animation when you open the list of tabs - they "scroll up" from the ...
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32 views

Can't switch between multiple Google accounts (since Google Workspace launch)

Google recently re-launched GSuite as Google Workspace. Since that change I can't switch between accounts within the same browser session. I use Firefox and used to be able to run multiple accounts (...
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Why is Firefox defaulting to an HTTPS request instead of a Google search all of a sudden?

I'll hit enter habitually and be taken here. Anyone know the preference do disable this behavior? Even a string i've never typed before defaults to a web request:
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1answer
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Disabling Java Script in all Firefox tabs but the current one

I am running Firefox 81 under Ubuntu 20 LTS. I need (like) to have huge number of tabs open. The problem is that JavaScript in all these background tabs is still running which adds up sometimes to 40% ...
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1answer
19 views

Is firefox “send tab” supposed to work instantly?

Firefox has an option for sharing links between devices where you're using firefox and are logged into the same mozilla account. I expect it to be instant, but it seems to me either I'm ...
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23 views

How to save or get binary file array of an image on the page without redownloading it in Firefox 81?

I'm using Firefox 81 (and also 82 dev edition), and I'd like to be able to save the images on the page that has finished loading without sending another GET request. This is because: I don't want to ...
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10 views

user chrome not going into affect

I want to use the user chrome css file on Firefox I went to about:support and then the profile folder. I added a folder called chrome and a file called userChrome.css with this content @namespace url(&...
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linux firefox segmentation fault on start

Hello I dont know wy but firefox stopped working... i tried to start it with strace but i cant find the error... to much information. if you have any idea... what i already did: diffrent kernel ...
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1answer
7 views

Display tab count in Firefox, without permission to snoop on tabs

Is there a way to display the number of open tabs in Firefox, without giving an extension permission to read your tabs? Chrome has the open-source Tab Counter extension you can easily audit. Firefox ...
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7 views

How can I better see “Find” results more clearly in FireFox?

I used to use the Findbar Tweak add-on for Firefox before FireFox 57 broke it. I've searched around and there are solutions for highlight all results, search in all tabs, etc. But I haven't found a ...
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How can I use userscripts on Firefox for Android? [migrated]

As of October 2020 I can't seem to find a working add-on/extension for Firefox on Android. Tampermonkey's page says the add-on is not compatible with Android, but I think it used to work fine a while ...
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17 views

A portion of a page disappears. What happens?

One day I visit https://ga-dev-tools.appspot.com/campaign-url-builder and the portion in red rectangle of that page disappears. I open the browser in addons disabled mode (which means there is no ...
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1answer
234 views

Is it possible to configure the pop-up delay of Firefox Password Manager?

Firefox Password Manager asks me to enter my master password usually around 10 seconds after opening the browser. I would like to be asked immediatly, because the pop up is annoying when you started ...
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2answers
71 views

Firefox 78: change bookmark bar color in userChrome.css

I have this in my userChrome.css: #main-window #PersonalToolbar { background-color: green !important; color: white !important; } After upgrade from Firefox 68.x to 78.3, this no longer has ...
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1answer
14 views

Separating work and personal tabs in firefox

I am using my laptop for working and personal usage. I use usually many tabs for in my work and i keep using them for several days. Everyday in the afternoon when i want to use my laptop for personal ...
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23 views

Where are adblock plus custom filters stored locally with firefox?

Versions: Firefox (linux) 67.0.4 Adblock Plus 3.8 I have custom filters and usually I add them one-by-one, not via a filter list subscription. I can see all of them from Settings > Advanced > My ...
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1answer
11 views

How to delete individual cookies from Firefox in Privacy Mode?

Firefox' official support states states that individual cookies can be deleted using the padlock at the left of the address bar or by the global Manage Data setting. However, when Firefox is set to ...
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5 views

Firefox a way to export multiple opened tabs from IOS [migrated]

where is Firefox storing list of all opened tabs on IOS in normal / private mode? Why i am asking is that I have so may tabs opened after using iPad... now I need / want to export all of these to my ...
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1answer
18 views

V4L2 Loopback: VLC can use it, but a web browser can't

I have a bunch of USB 3 capture devices feeding OBS, and V4L2 Loopback to provide OBS's output as another video input. (/dev/video99) I want to use that output in an online meeting, but neither ...
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0answers
18 views

Use firefox “customize” menu without a mouse

Firefox is the best webrowser available right now, but I've recently had the misfortune of having to use it in a context without a mouse available. So far i've been able to use and configure it fairly ...
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0answers
24 views

How to disable automatic updates on Firefox Portable (from PortableApps.com)?

In the Firefox settings I have disabled automatic updates, but it still downloads them, and my settings get changed back to "automatically install updates". The issue is not specific to this ...
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19 views

Can FireFox's native `view-source:` schema for ANY text file be restored?

FireFox's native view-source: schema seems to be have been crippled. Perversely, this would even render binary file URL's when prefaced with view-source:. This was very convenient for quick perusal of ...
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40 views

XML Parsing Error: no root element found Location: chrome://browser/content/places/bookmarksSidebar.xhtml Line Number 1, Column 1:

I opened Firefox this morning on the most up to date version and got this instead of a bookmark tab. My bookmarks tab is empty and it just has that error instead. I tried restarting my browser and my ...
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0answers
34 views

Opening URL in specified Firefox profile from command line

Is there a way how I can let Firefox open a link in new tab from command line for specified profile? Ideally in a way in which it doesn't matter, whether Firefox is already running or not I know I can ...
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4 views

Firefox: allow pointer lock from any context [migrated]

I need to lock the pointer but when I requestPointerLock it's telling me Request for pointer lock was denied because Element.requestPointerLock() was not called from inside a short running user-...
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0answers
7 views

How can I make the title of a website stay static with Grease Mokney?

There's a website that changed the title of the tab depending on the song that's playing. I'd like for it to always be the same as it was when I initially loaded the change. I tried doing this with ...
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20 views

Focus (cursor) is no longer in search field of google.com homepage when new tab

I have google.com as my home page (Firefox on Mac OS 10.13). It used to be (until recently) that when I created a new tab with the google.com home page, the cursor was immediately in the search ...
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1answer
1k views

YouTube or Firefox started showing the Windows 10 media pop-up. How can you get rid of it?

As of Sep. 23-24, 2020, either Firefox or YouTube suddenly started spamming the Windows 10 media volume control pop-up, which takes up half the screen. Since I am on my work laptop, just to be on the ...
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1answer
106 views

Force EE Smart Router to use Https instead of http protocol

I have recently swapped my old router out for a new upgraded one that was sent to me through EE, I was wondering if there is any way to force it to use HTTPS either through code or via the settings. ...

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