Questions tagged [firefox]
An open-source web browser developed by Mozilla. If relevant to the question, also include the tag of your operating system.
8,771
questions
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Where does Firefox store push notifications?
I made a NodeJS script a while ago that can read Chromium notifications by reading the LevelDB database where they're stored. I use it to have more granularity when handling notifications, and to sync ...
-1
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0
answers
17
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Lines of text overlap when HTML opened in browser [closed]
I prefer working with web view. I'm working on a single web page with a single table. Very simple. Is there a way to make the table span the entire workspace, instead of being stuck over on the left ...
-2
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2
answers
376
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What can I do if a spam email claims I'm infected with Pegasus spyware?
I opened my Outlook app (Firefox PWA) on my Android phone.
I was confused because I was logged out (I have "remember me" activated, so I have to login once every few months...).
Then, I ...
0
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0
answers
9
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Viewing previously viewed pages of same tab in Firefox
In Firefox, the user can click and hold on the back arrow button to see the history of the current tab.
Is there a keyboard shortcut that does the same thing, i.e. opens this panel of previously ...
0
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0
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10
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Save as PDF using the Firefox mxt08-real/Export-Web-to-PDF extension
MacOS Ventura 13.6.3
Firefox 123 and 124b (developper edition)
I am testing the mxt08-real/Export-Web-to-PDF Firefox extension, which allows to add an icon to trigger the "Save as PDF" ...
0
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0
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20
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Firefox warn on exit [duplicate]
Seems like this has been impossible in Firefox for quite some time. Anyone knows if there is an update that enables a workaround or if Firefox is planning to fix this?
To be clear: what I need is a ...
0
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0
answers
30
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How do I stop a website from overriding my keyboard shortcuts?
The DeepL website has recently overridden my keyboard shortcuts so I can no longer copy paste sentences in and out of the text input boxes.
This still works if the keyboard is set to the US default. ...
0
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0
answers
8
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Is CPUQuota per core or per machine?
In order to prevent buggy sites from freezing my system I imposed a CPU Quota limit of 95%, a Memory High of 2G and a Memory Max of 3G on my Firefox flatpak as described by the flatpak documentation.
$...
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15
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What is the difference between a request response time and duration in Firefox devtools?
I'm investigating why my website is so slow to load while devs work on it locally, but opens within milliseconds when ran in production.
I use Firefox and can't help but notice that the "duration&...
0
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1
answer
37
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Firefox - How to connect to a remote HTTP URL (and not force HTTPS)?
I want to browse to an http-based URL but Ubuntu Firefox will not let me, it always seems to force-switch to https. This is clear in the Web Developer Tools -> Network Tab, Firefox never even tries ...
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27
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How to have a certain position and size of window in FireFox on Windows for a specific website?
I use FireFox on Windows 10 for different purposes and it would be convenient for some websites to use predefined FireFox screen positions and sizes.
For example:
Show superuser.com in small window ...
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13
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Simple way to automatically replace string in webpage body with Firefox? [migrated]
Without using a heavy browser extension, I would like to perform a find and replace on every webpage I load, to find a string such as www.yahoo.com/Query.php?= and change to www.startpage.com/Q.php?=
...
1
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0
answers
16
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Drag to open link in container tab, in Firefox
What I want: Drag a link to a direction (left for example) then it was opened in a container tab (I have only one container currently)
What I have:
Firefox beta 124
Violentmonkey
Glitterdrag that can ...
-3
votes
1
answer
78
views
“This site can't be reached - ERR_CONNECTION_RESET” via Google Chrome (49.0.0263.75) on Windows XP. Works with Firefox
I cannot get into many sites on my laptop with Google Chrome on Windows XP. I am using Google Chrome (49.0.0263.75) and FirefoxESR (52.9.0) and I am getting this error in Chrome:
“This site can't be ...
2
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0
answers
26
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How to set dom.event.clipboardevents.enabled to false except for specific websites?
How would I change the setting on a per-website basis? I really don't like when websites block me from copy-pasting my email or password into certain boxes (okay, I use autofill for the password ...
1
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1
answer
23
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Prevent collapse in Firefox Devtools' Storage tab
Suppose I'm using the Firefox Devtools, the "Storage" tab is active, the "Cookies" tab is expanded, and and localhost is selected. Then I can see all the cookies.
When a page ...
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0
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9
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Firefox: page scrolls to top of text box instead of cursor position [migrated]
The site in question is chat.openai.com.
I've encountered a problem where, upon pasting approximately 400 lines of code, the vertical scrollbar does not automatically scroll down to reveal the cursor. ...
1
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0
answers
66
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Firefox started to forget usernames
I have Firefox 115.7.0esr (64-bit) on Linux. In some recent update (approx a few months ago) something changed.
Old behavior: User names were saved and I always opted to not save passwords. When I ...
1
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0
answers
255
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Passkeys with Firefox - Touch your security key to continue
I am trying to log in to Github with Firefox. When I try to log in, the web page gives me an option to try with a passkey. When I do that, Firefox displays a dialog box saying "Touch your ...
1
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0
answers
149
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How do I solve the "PuTTY X11 proxy: No authorisation provided" error?
I am trying to run firefox on a remote server over ssh and use X11 forwarding to open the window on my laptop, but when I try to it throws the "PuTTY X11 proxy: No authorisation provided" ...
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0
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64
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Microsoft edge does not save the webpage like firefox does which for a brief moment of opening with firefox until after it reverts to this [closed]
Is there anyway to make it open up the way it would if it was saved on firefox browser and opened on firefox browser instead of just opened on firefox browser
so it will look like this?
I dont really ...
2
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0
answers
36
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Firefox: access a button that belongs to an extension using keyboard shortcut?
I have an extension that, when I click its icon in the Firefox toolbar, opens a pop-up menu with some buttons. I would like to assign a keyboard shortcut to one of these buttons. Is that possible?
-1
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2
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117
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Firefox can't detect Flash player plugin when running in a docker container
I'd like to run Firefox 84.0 (the last version support flash player) supporting flash player in a docker container. But Firefox can't detect the flash player plugin which is in the path "~/....
2
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0
answers
85
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Remove initial pause when scrolling with arrow-keys - Firefox
Windows gives an initial-pause when pressing a key that can be altered, but I would prefer to not do this since it will affect more than scrolling.
An extension for Chrome does this; called "...
1
vote
1
answer
55
views
Delete selected sites cookies on Firefox automatically
I set the cookie preferences on each site via Super Agent or manually, however I want to always remove the ones that now force us to accept some pages if we don't pay. So what I want is to delete the ...
1
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0
answers
33
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Possible to centrally deploy website credentials in Firefox?
We would like to deploy the credentials (user, password) of a couple of websites to all Firefox installations in our network. Is there a way to populate the password manager via script, autoconfig, ...
2
votes
2
answers
676
views
How to make Microsoft Teams launch my default browser instead of Edge?
I use FireFox as my daily browser. But when I use Microsoft Teams, when I click on a link in Chat, it always bring up Microsoft Edge. My default browser is set to Firefox. But Teams ignores it. Is ...
0
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0
answers
25
views
Force browser to use cached pages [duplicate]
The move to https effectively killed any meaning for the browser cache. It literary does nothing but waste life on SSD drives now, since every developer thinks all pages in the universe must expire in ...
2
votes
1
answer
60
views
How to disable (or at least close) "You are sharing another application window" floating bar?
In Firefox, when I'm on Google Chat or Jitsi and share my screen, Firefox shows me this annoying floating bar containing:
You are sharing another application window
I can minimize but not close it. ...
3
votes
1
answer
483
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Reset Firefox sync password without losing everything
I have lost the password to my Firefox/Mozilla account. I'm currently logged in with it on several devices.
When I go to "reset password", Mozilla says:
When you reset your password, you ...
1
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0
answers
296
views
YouTube becomes unusable (playback is slow & non responsive) after listening to music for a while in Firefox. How to fix it without a browser restart?
High-performance Dell Latitude laptop (Core i7, 32GB RAM) with Windows 10.
After simply listening to YouTube Music in Firefox tab for a few hours, YouTube performance decreases very bad.
Music ...
1
vote
1
answer
256
views
Firefox loses pinned tabs
I am using Firefox (on Windows), and have some pinned tabs. If I open a second browser window, it does not have those pins, but I can live with that.
What I don't like is that when I close the first ...
1
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0
answers
70
views
Disable auto-focus on text field (Chrome/Firefox)
On some webpages, I need to scroll (read) and write in a text field at the same time. Unfortunately, every time I start typing (on any page), the page automatically jumps to the text field I'm typing ...
1
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0
answers
64
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Firefox gives wrong title in address bar suggestion
Something went wrong somewhere, I tried clearing my entire browser data (except profile, since that would loose my bookmarks and extensions) and it's still wrong. Typing "youtube.com" in the ...
3
votes
1
answer
208
views
In Firefox, is there a way to enqueue downloads to happen one at a time (sequentially)?
Using Firefox on a computer with a single hard-disk drive, sometimes I need to download several many large files from a remote server that is also serving from a single hard-disk drive.
It does not ...
1
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0
answers
82
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All Firefox Traffic routing through SOCKS-Proxy?
I would like to route all my Firefox-browsers traffic through a proxy server. I already setup a Dante-Proxy (SOCKS) and configured the paramters in about:config to use it:
"network.proxy.type&...
1
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2
answers
307
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Firefox: quick and simple way to close current window and open new window?
In the Firefox webbrowser:
Is there a quick & simple way to close the current window and open a new window instead?
(Sidenote: For the purpose of this question, there is only 1 currently open ...
0
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0
answers
27
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Configuring content process sandbox level in Thunderbird
I am using Thunderbird 115.6.0 on Linux (Debian 12). In the menubar, clicking on "Help" > "Troubleshooting Information" shows Thunderbird's sandbox settings:
Notice that the ...
4
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1
answer
9k
views
How to purge uBlock filter caches in Firefox after 1.55
There are legitimate use-cases to purge filter caches, but Git commit #bd7ce41 for uBlock made it harder. How to purge uBlock filter caches in Firefox after 1.55?
1
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1
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50
views
Modifier key to open bookmark in a new private window
In Firefox if you hold down the Ctrl key when you click a bookmark the page opens in a new tab. If you hold down the Shift key when you click a bookmark the page opens in a new window. Is there a ...
1
vote
1
answer
101
views
Mouse scrollwheel scrolls many lines- but only Firefox
What I have: Latest Firefox browser with Windows 10 on a Dell laptop, and a Bluetooth mouse with a scroll wheel. In Windows Settings, the scroll value is set to 3. ("Choose how many lines to ...
1
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0
answers
99
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How to allow WebAssembly in Firefox for specific websites only
In Mozilla Firefox's about:config, I have disabled WebAssembly by setting javascript.options.wasm to false. However, there are some trusted websites where I want to allow WebAssembly. How do I define ...
1
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0
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39
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Where comes this weird icon on Firefox's newtab-page from?
Randomly (?) some pages listed at the about:newtab in Firefox aren't showed with their favicon but instead this Stop having kids-symbol. If I inspect the source code when this happens, it looks like ...
2
votes
2
answers
87
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How to increase retention of download history in Firefox?
Whenever I want to find a file that I remember downloading in Firefox download history, I fail unless it was very recent. It seems to remember about 30 items or so.
I don't think this history takes ...
0
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0
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50
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Block connections to localhost by non-localhost webpages on Firefox
I am migrating to Firefox from Safari and noticed that websites (ANY website) that I visit has permission to attempt to make connections to localhost ports. I'm concerned with the privacy implications ...
3
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2
answers
98
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How to copy focused link in Firefox on Linux?
I have motor problems with my right hand, and so I drive my GUIs mostly with the keyboard.
Using the pointer (either mouse or any substitute) is not impossible, but slow and hard.
One of the things I ...
1
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0
answers
54
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OpenSC and Firefox on Windows
I have OpenSC and Firefox on Windows. I need to permanently unload OpenSC module from Firefox as it causes problems. I can unload it from Settings\Privacy & Security\Security\Certificates\Security ...
1
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1
answer
94
views
Firefox Portable (multi instance) won't load its profile if other Firefox already open
I have a strange problem. I have three instances of Firefox Portable (on a Windows 11 system). I did set the option AllowMultipleInstances=true in the FirefoxPortable.ini file and for the first few ...
0
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1
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123
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Remove address bar shortcuts
How can I get rid of these seemingly permanent bookmarks from the address bar in Firefox?
Firefox 121.0 (64-bit)
Win11 Home
0
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1
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29
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Why do certain Firefox extensions that rely on external web sites, e.g., Boomerang amd Wayback Machine, not work?
Why do certain Firefox extensions that rely on external web sites, such as Boomerang amd Wayback Machine, not work? No error messages are displayed, they just silently fails.