Questions tagged [firefox]
An open-source web browser developed by Mozilla. If relevant to the question, also include the tag of your operating system.
2,467
questions with no upvoted or accepted answers
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How to force Firefox to use HTTP/3 (QUIC) only?
I know browsers usually use HTTP/1.1 to start a connection, discover the capability of the server and upgrade the connection to more advanced protocol.
Is there a way to bypass the discovery and start ...
3
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450
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Why is Chrome 10 times faster at uploading files to Google Drive than Firefox?
I've noticed than Chrome is around 10 times faster at uploading files to Google Drive than Firefox. What could explain that? I use Windows 10.
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215
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Why is Firefox accessing my .viminfo and .bash_history files?
Under Ubuntu 22.04, AppArmor is active by default and configured to check all file accesses of Firefox and LibreOffice. Firefox is packaged as a "snap". When I look which file accesses ...
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How to add a Authorization header into a HTTP request by using Chrome Dev Tools?
Is there a way to add a token into my HTTP request without using Postman or cURL?
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How does google know my real location exactly?
I searched this question here and found this answer and this answer but neither works for me.
I set US timezone in Windows, start VPN with a US public ip address, clear all cookies/cache/history, ...
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2
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How do I get rid of Trending Searches in Firefox Desktop when using Google search engine?
N.B. - Trending searches are not the same as search suggestions. Search suggestions happen when you type in a term like "dance" and it finds various dance-related terms to search on. ...
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344
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Prevent Firefox from updating, for real this time
I don't want Firefox to silently download and install updates. Their documentation is useless in this regard, as the process outlined there is impossible due to the lack of the buttons and other UI ...
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167
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Firefox shows deleted bookmark in address bar as suggestion
I deleted a bookmark recently and also deleted the site from my history. That is, if I start typing the domain in the search box of either the bookmarks or history window, there are no results.
Still, ...
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Firefox: manually allow website (whitelist whole domain) to allow camera and microphone access
I regularly partake in videoconferences that are browser-based only. Despite there being a permanent URL to access a room, each session is given a different ID with its own subdomain (to which one is ...
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2
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How do I get around resistFingerprinting setting my preferred Firefox theme to light?
In Firefox, I want to have both browser.in-content.dark-mode and privacy.resistFingerprinting set to true. However, the latter setting, as discussed in this issue, masks this setting and sets the ...
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72
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How can I tell Firefox never to cache a certain server?
I know you can tell Firefox never to use cache at all. But - can I make such a setting on a per-server level? (There is this web-based mechanism which I know I never want to get cached results for, ...
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How to download a website's source maps?
I don't want to write a complete script for this; there must be some simple way to download source maps. By this I mean go to a website (assuming it has source maps) in Firefox, open Developer Tools, ...
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411
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What is the reason firefox combines multiple requests in the network monitor
I have the problem that for recent pages the firefox network monitor seems to be non-functional. I give an example to make my statements clear:
You see 3 (!) selected requests. I cannot select only ...
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1
answer
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How to download a file at an url that returns a "206 Partial Content" response?
Let's say that I'm listening to an audio file online by pointing my web browser to some url https://someurl.fr/file.oga.
So the file isn't embedded in a page, but is accessed directly by the browser.
...
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426
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How should I prevent Ditto from copying passwords from Bitwarden Firefox extension?
I've known Ditto to be working well until passwords I copied started appearing. I use BitWarden (premium) and I find the hash values inside the ditto clipboard list.
I use windows 10.
And I mostly ...
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134
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Stop Firefox from suggesting site-specific search engines
I would like to disable Firefox's feature that suggests adding the search engine for the site I'm currently on to my available search engines. For example, if I click on the magnifying glass right now ...
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615
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How to disable a portion of JavaScript on a website
I'm trying to disable smooth scrolling. I tried a bunch of JavaScript in Tampermonkey. It worked on some sites, some don't and some disable scrolling altogether, which leads me to believe that there's ...
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530
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user scripts like Greasemonkey are no longer editable in firefox 71 (they were working fine in the 6x version)
Just updated to Firefox 71 after not updating for more than an year. Now violentmonkey scripts can't be edited. Then also can't be switched on or off. They were working well in the 6x version of ...
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52
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How to auto-scroll a webpage as elements are added above?
I am often on a webpage, and am about to click a link when the page simultaneously adds an element that it had been waiting to asynchronously receive from the server. The element that I was about to ...
3
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1
answer
648
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How do I add my own custom items to Firefox's in-webpage context menu?
So basically, I have all kinds of command-line scripts which I have coded to do various things for me. One of them downloads any video from a webpage, and another figures out and opens Instagram ...
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965
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Is it safe to turn off security.ssl.enable_ocsp_stapling
I am facing a PR_END_OF_FILE_ERROR problem while using firefox via a proxy.
It fail to setup security connection.
I found a solution here and it do alleviate this problem.
But it doesn't tell me why. ...
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4k
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Where to get libcurl for Windows with --compressed option enabled?
So, I'm copying some curl commands from developer tools on Firefox and they often include the flag --compressed and even if removing it often makes command execute succesfully, my aim is to be able to ...
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814
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Remote control graphical Firefox instance
Is there any way to control regular Firefox instance remotely? I'm not looking for automated web testing or anything else utilizing headless browser. I'd just like to make useful CLI and desktop ...
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1k
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Cannot remove breakpoints in Firefox debugger
I added some breakpoints in Firefox debugger and when I removed them, they just disappear in the Breakpoints list.Then, when I load the page, it still pauses at the breakpoints.
If I close the ...
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439
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Firefox Multi Wildcard Certificate handling
I have an issue that only appears in Firefox.
The Situation Short:
I use a Internal PKI
The CA Root and Intermidiate certificates are imported in Firefox
The PKI has signed a SSL Certificate with ...
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909
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Firefox is slow to resolve localhost domains on MacOS, Chrome is not
I am developing a website on localhost with the following entry in my hosts file:
192.168.10.10 mysite.local
That IP is coming from a Vagrant provisioned VM hosted in Virtualbox.
Whenever I try ...
3
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1
answer
175
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Remove items from Firefox 66's Menu
Firefox 66 has the following menu:
I'll never use many of those items and they add visual noise which I don't like.
Is there an easy way to remove some of the items? For example: content blocking, ...
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2k
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Can't open a jnlp file in ubuntu with either icedtea nor javaws
Hello I need to open a jnlp file. I have openjdk version "11.0.2" and the latest icedtea plugin. When I open the file directly with icedtea I get the following message:
fatal: initialization Error:...
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765
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Create a firefox profile and start firefox in one command
I am trying to create a firefox profile and launch firefox with that profile in the same command.
I tried:
firefox -CreateProfile "test" && firefox -P "test" -no-remote
But I am getting the ...
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1
answer
222
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How to make firefox run search in new tab rather than window from command line?
Basically i want
firefox.exe --new-tab --search apples
,but it's not how it works, it opens new window.
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How to debug Firefox CPU Usage
I'm seeking advice where to look for possible causes of the following situation:
The CPU usage of my favorite JavaScript browser game (https://grepolis.com) is too high when idle. When no input is ...
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333
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Don't prompt to save login information, but use the already saved logins
Using Firefox preferences, you can disable the "Save Password?" prompt by unchecking the Ask to save logins and passwords for websites option.
I think this disables Firefox's password manager ...
3
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2
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1k
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Fixing Firefox Quantum HiDPI scaling across multiple displays
I have a laptop with a 3840x2160 screen and a second monitor with a 1680x1050 resolution. The standard Firefox DPI is far too small on the builtin screen, but when I scale the layout.css....
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75
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Does chrome load videos in a different way than firefox?
When trying to load videos onto a Three.js texture, I noticed that the Chrome is loading a video in ~2Mb chunks and playing the video once the chunk loads.
I am comparing this with firefox where a ...
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275
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Synchronize Firefox bookmarks but use different "views"
My aim is to synchronize Firefox bookmarks on different devices but without merging them simplistically; instead, I would like the bookmarks from each device, although accessible by all devices, to be ...
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89
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Text typed into different apps (e.g. Chrome, Sublime) find functions (Cmd-F) overwrites each other
I'm seeing unusual behavior in the interaction between some Mac programs like Firefox, Safari, Sublime, and Chrome. I'll concentrate on the last two. I have a Macbook Pro (Retina, 13-in, mid-2014) ...
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How to backup/restore Firefox bookmarks in JSON format from the command line?
In Firefox I can open the bookmark management via the menu Bookmarks → Show All Bookmarks and use the functions Backup resp. Restore to save resp. load an entire bookmark tree in JSON format.
As far ...
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Does chrome process sites with www prefix differently?
I host a number of sites from our partners. These sites are all subdomains of our partners top level domains. In response to the new push to https I have obtained certificates and created the ...
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1
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Mozilla Firefox 57+ : custom toolbar is still supported but how to manage it?
I have recently migrated all my Firefox profiles to last version 58.0.2.
For some profiles, the custom toolbar that I used before FF57+ is now gone. I think this custom toolbar was brought by a ...
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394
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Disable blue glow tab indicator for notification in Firefox Quantum
I want to disable the blue glow indicator in Firefox Quantum tabs (v. 58.0.2 (64-bit)).
The indicator appears below the favicon of the tabs with new content/notifications (see image under Twitter ...
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327
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Is it possible to install my own Firefox XPI extension without signing it through AMO or at least without sending it to anyone?
I was looking for an extension that would let me change all fonts on a page to one font of my choosing. I found one such extension, but it only has a built-in list of its own fonts, and doesn't allow ...
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262
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Prevent Firefox from using specified system fonts
My OS is Windows 7. I have two requirements that seem conflicting:
I need to have some specific fonts installed in Windows so I can use them in desktop appplications (Illustrator, Photoshop...)
In ...
3
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935
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Headless standalone firefox never returns from making a screenshot
I'm trying to make a screensot with firefox on "Ubuntu 14.04.3 LTS"
wget -O firefox-58.0.tar.bz2 https://download-installer.cdn.mozilla.net/pub/firefox/releases/58.0/linux-x86_64/en-US/firefox-58.0....
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How can I toggle an extension action on Firefox using a keyboard hotkey?
Is there a way I can toggle actions on extensions using the keyboard, on Firefox? i.e. I'm looking for a way to map keyboard shortcuts to perform the same actions as when I click on extension buttons.
...
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Where is the setting in Chrome/FireFox on Windows 10 the changes download prompt timing behavior?
We have two different PCs running Chrome 63, FireFox 57 and Windows 10 Fall Creators Update. When "Ask where to save each file before downloading" has been turned on, Machine A immediately brings up a ...
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139
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Block notifications by default is Firefox
dom.webnotifications.enabled option disables notifications completely, which is not what is needed. Is it possible to just have notifications blocked for all websites unless I manually press bubble in ...
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Firefox sharing login sessions between private mode windows
I noticed that if I login to SE in a private mode window using Firefox v57.0 Quantum (x64 on Windows 7 Pro) and then open a second private mode window and navigate to e.g. security.stackexchange.com, ...
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1
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Second Firefox volume control in Windows mixer
Since I updated to Firefox 56.0 (64-Bit) there is a second volume control in the Windows mixer called "Firefox" (the first one is called "Mozilla Firefox"). The Problem is, that this control does not ...
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How can I export/import my Firefox browsing history?
Transferring the places.sqlite file doesn't work for me due to broken compatibility in Firefox v55, so I need a workaround. Is there any way to export the history into a file and then import it in a ...
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How can I enable WebCL in my browser?
I have experience with WebGL in javascript and with (py)OpenCL and both are great tools. Now I would like to put it together and do fast science/engineering demos in web browser. But I'm not sure if ...