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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16 views

Firefox Password Manager - Keeps asking for master password at startup

I use Firefox 79.0 for Windows 10 (64-bit) and have set up a master password. The problem is that on every start up Firefox keeps asking me for the password, eventhough my starting page doesn't have ...
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12 views

Why in macOS Firefox can not use `cmd + F` to search text?

I can use Command + F to search text in Chrome, but I can not use this way in macOS Firefox. my firefox version is: 79.0(64 bit)
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How do I figure out which kind of Timeout I need to edit to stop it interrupting me? [closed]

I have this Java Applet I want to get working, yes, current Firefox doesn't have the stuff needed for that. I downgraded to 49.0b9, which does. The important bit is it keeps stopping it because it's ...
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4 views

Web browsers slows down in ubuntu after installing Team Viewer

I have recently installed Team Viewer, after that my browsers started slowing down. It happens with both Google Chrome and Firefox. I removed Team Viewer and tried re installing Firefox but issue ...
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I cannot make Google Chrome to be default browser on Lubuntu20.04

I have tried to change default browser by following the steps in this link. But it failed to make Google Chrome be the default browser: How can I change the default browser?
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24 views

How to really block autoplay media in Firefox 79?

Here are settings about autoplay in my Firefox 79 : Despite these settings, some videos are autoplayed. On this page for example HERE, when I scroll down to the bottom of the page, the hidden video ...
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40 views

Mac OS - Any way to make Firefox/Chrome/Safari play/pause video (BetterTouchTool key trigger)? F8 not working

my F8/PlayPause key on Mac OS Catalina (10.15.6) only opens and controls the Music app. Previously, it used to play/pause the active video on Chrome or Safari. This is especially useful for doing ...
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1answer
62 views

Browsing to local DNS addresses instead of using them as a search query, without prefixing http

If you try to enter a DNS address that isn't a public website, say, myinternalhomepage.lan, the first response from the average web browser like Chrome or Firefox will be to treat them as plaintext to ...
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1answer
74 views

Force a download via browser

I'm looking for a way to force a download on a URL you put in your browser (preferably your browser's address field but without hitting enter, so the URL doesn't get loaded first). This should work ...
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2answers
31 views

Do Chrome and Firefox show Inspect / Inspect Element in their context menus by default?

I'm writing some instructions on how to work around a broken modal on Duolingo by deleting some HTML. I'm trying to write it so non-techy people can follow along. On Safari I found I had to go to ...
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Is there a way to see the CDN server location which served my request?

I'm interested to see which particular CDN server was used to serve my request(to see how close it's to me). I checked my networking tab(needed to load the request without caching to see the IP ...
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43 views

How does Firefox know that a webpage is stored on my computer?

I use a webserver to serve a webpage over localhost. If I visit http://localhost on my machine I see this icon in Firefox's URL bar instead of the usual lock icon. Upon clicking it, it says that "...
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What is the nomenclatural/vernacular name for internal browser pages such as “chrome://chrome-urls” or “about:config”?

I'm looking for the categorical name for internal browser pages that can be called upon via omni-box/URL bar/intent call/URI protocols. I'm lacking in knowledge of the basic verbiage to conduct ...
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22 views

How to make Firefox open pdfs in viewer but download them when you press the download button

When I click on a pdf file in Firefox, I want it to open inside Firefox. This I can do by going to preferences > applications > PDF file and set the action to "Open in Firefox" So far ...
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24 views

Can Firefox use custom DNS server?

I'm using Firefox for browsing on my local computer. I have my own Pi-Hole on one cloud server. I can change Windows DNS settings and it works for the whole system. Because of quite a complex network, ...
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Firefox: “Secure Connection Failed” in one profile only. What's the least intrusive way to solve this?

After a time period of really bad internet connection, I get "Secure Connection Failed" for all Google sites: www.google.com, drive.google.com, accounts.google.com, www.youtube.com etc. My ...
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Chrome crashes when we change the settings to automatically “run as administrator”?

Google Chrome crashes(No internet access) when we already opened chrome and then change the settings in right click->properties->compatibility tab->checked "run this program as an ...
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1answer
17 views

How to make firefox try to open a website before searching it

I have set .proj as a superdomain for local development with custom CA for https. Everything works fine except for one thing. If i enter application.proj in the address bar, then instead of going to ...
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1answer
27 views

How do I uninstall these Firefox extensions?

Today I tried to use profiler.firefox.com which is some webapp that Mozilla makes to help you profile webpages in Firefox. I have a simple webpage I wanted to profile which just has a small script and ...
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43 views

Network issue with windows

Really don't know how to explain this but there are some strange things happening with my Windows 10. Everything with my internet is fine because i am able to use it. But My windows store apps are ...
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15 views

Change tray icon of a single Firefox window on Windows (for web application; can be local)

I know this is something that certainly does not work easily or is meant to work. But here is my reason: I use the messenger Threema and unfortunately they don't provide an "interface" (aka &...
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1answer
22 views

How to force firefox to download a mp3 file (no audio/mp3 in the Type of content in apps in firefox settings)

Good morning, superuser.com community, have a nice day Please help me with this: http: impossible to post :( (image link above removed (it was impossible for me to put a link here. I can't understand ...
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1answer
19 views

Firefox Recent jumplist is set to Disable but is still showing recents

Apologies if this is the wrong StackExchange for this query-- How can I prevent Firefox from saving PDFs in Recent on the taskbar jump start? These PDFs were not even opened in Firefox or from the web,...
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How do isolated copies of Firefox locate the rest/other?

(Mac.) I mounted a Firefox.dmg located in folder1 and used it to create a new profile for browsing. Halfway, firefox crashed, possibly due to lack of ram. When I reopened the profile, there is an ...
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Firefox Private Browsing: how to set search bar to use google.com/ncr by default?

Is there a place to change the Firefox installation so it uses google.com/ncr by default instead of the local google.com ? Other than having to set cookies each time the browser is opened, or install ...
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Firefox Dev + Amazon popup resetting view

Lately I noticed that since firefox dev updated when a I move the mouse over an item's ratings in amazon the popup pops up and causes the window to scroll to the op. This is quite annoying cause any ...
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1answer
29 views

How to delete text autofill on firefox?

I am clicking on a text input and there are saved searches. How can I delete those saved searches? I'm on firefox and mac. I've tried cmd clicking and that didn't work.
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34 views

Remove a site from its default Firefox container

I have many Firefox containers I use for multiple sites at work. By mistake I added my SSO provider page to a container FOO, which is intended for other usage. Now every time I request from my SSO ...
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64 views

Firefox profile is missing or inaccessible (again) on macOS High Sierra after running CleanMyMac X

My Firefox install broke right after I first ran a version of CleanMyMac X. When trying to run, I get this error. Your firefox profile cannot be loaded. It may be missing or inaccessible mac. To ...
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1answer
32 views

Prevent Firefox from stealing FirefoxESR events?

tl;dr: How to run both Firefox(79 as of now), and FirefoxESR(68) at the same time, and have FirefoxESR to be the default OS browser, where all external URL cliks get open at? For a long time, at my ...
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1answer
82 views

View details of connection error in Firefox

When Firefox cannot connect to some server, I want to view the actual error instead of some "user-friendly" message such as this, which is not helpful at all: Hmm. We’re having trouble ...
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4answers
93 views

How to create a shortcut to search Google Scholar from the address bar in Firefox?

Just want to create open-search queries to search instantly from the search bar for google scholar. This is easy with Brave and Chrome, using Open Search queries. This has been possible with FireFox ...
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61 views

How private is private mode in Firefox?

I am using a private window in Firefox (78.0.2). I navigate to https://www.nfz-messe.com and accept the cookies. After I close Firefox and restart Firefox, when I navigate to the same site, there is ...
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7 views

Firefox Tab Unresponsiveness Followed by Program Exit

Firefox Tab Unresponsiveness Followed by Program Exit Running Firefox ESR 68.10 under Debian Linux Stretch 64bit. Standard plugins NoScript and UBlock Origin. I'm trying to solve a Firefox tab and ...
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19 views

What happens to deleted Firefox profile files?

When removing a Firefox profile (from the about:profiles page), the user is given an option to remove without deleting the files, or remove and delete the files. If the user chooses to delete them, ...
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7 views

Geckoview Firefox missing features [migrated]

The Firefox for Android upgrade FAQ mentions missing features in the new geckoview version of Firefox, but I couldn't find a list of missing features. What features will be missing after the upgrade?
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How to make Tridactyl hide/unhide mode indicator on fullscreen events?

I'm on Manjaro Linux using Firefox with tridactyl installed using sudo pacman -S community/firefox-tridactyl & yay -S aur/firefox-tridactyl-native. I've checked around for ways to make the hide/...
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33 views

Why anti ETag fingerprinting browser extensions won't work if I block images using other addons, like uBlock or uMatrix?

I'm trying to use one of these Firefox extensions suggested by ghacks: Header Editor; ETag Stoppa. As described by the wiki, this is what they do: Allows you to run Rules to modify headers such as ...
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1answer
31 views

Strange Firefox refresh bar

Recently, I've been seeing Firefox present me a bar asking "Refresh the page for the changes to take effect", and giving me the option to refresh now or later, and no close icons. Like this: ...
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34 views

Excessive Firefox CPU and RAM usage (+ choppy audio)?

I'm trying to use both Firefox Quantum 68.10.0 ESR 64-bit and TOR browser 9.5.1 (= based on said Firefox 68.10.0 ESR) on a Linux Mint Debian Edition 4 machine. What's with the resources squander of ...
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1answer
14 views

Create browser bookmark to relative path within portable installation folder

I'm distributing a portable version of Firefox with some addons pre-installed, and it's meant to be used with some local HTML files I'm distributing along with it. Is there any way I can create ...
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Google Meet high CPU usage on Firefox 78

I'm using Windows 10 build before build 2004 and Firefox 78.0.2, and Google Meet uses almost 100% of my Core i5 8th generation for the duration of the meeting. If the windows if minimized the CPU ...
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49 views

firefox --help Nothing to see on Stdout

When running firefox --help or firefox -h there's nothing to see in the command window. When running firefox --help | more, the help text is visible: Usage: firefox [ options ... ] [URL] where ...
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25 views

How to enable cache for localhost in Firefox?

I setup a test website on localhost:8022 and for some reason the css style sheets are not cached. The max age of a cache is set to 0 in the header Cache-Control: max-age=0: If I visit the site with ...
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14 views

Disable Google search page autocompletion (“auto-suggestion”), FIREFOX

This question has been asked a lot ... in the past I used to be able to be able to accomplish this by going to this URL: www.google.co.uk/webhp?complete=0&hl=en ... but that hasn't worked for ...
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26 views

Switch applications with command + tilde on Mac

I remember command + tilde switching windows within the same applications on my most recent Mac. I have a new Mac and I have multiple windows in Firefox open and it's not triggering any actions. Can I ...
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8 views

Two Bookmark toolbars for Firefox

I work at home. I would like to set up firefox so that there is one Bookmark Toolbar for work and one for not work. I want to be able to select to display either one at will. Is this possible?
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61 views

Using Firefox search bar with Google search engines and multiple Google accounts

In Firefox, when I use the search bar w/ Google search engines (Google, Google Images, YouTube, etc.) (which I do many times every day - any random thing that I need to search for), the resulting tab ...
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8 views

about:blank and developer tools don't automatically change theme as firefox does

When I tell my OS to use the dark theme, firefox title bar turns dark: But developer tools have to be toggled manually, and about:home is hopelessly bright. Are there settings which can be used to ...
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9 views

Firefox type-ahead find - how can I control where it searches?

How can I see which sources/engines Firefox searches for its type-ahead find feature? In particular, network resources such as search engines? And - how can I possibly change where type-ahead find ...

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