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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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6 views

Restore toolbar bookmarks

Currently I have some bookmarks in the bookmarks toolbar. If I export the bookmarks to HTML, then import them, they do not get added to the bookmarks toolbar. Instead, they are added as a sub-menu in ...
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17 views

How to make wget download site with HTML5 video at other domains?

Hi, I am trying to download a site in such a way that it will most closely mimic FireFox's Save As Website Complete. The site is a page containing various forms of media (some from other domains), as ...
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16 views

Why are speedtest.net results limited to <300 Mbps on Mozilla Firefox but not on Google Chrome?

Speedtest.net results using Google Chrome are consistently 700+ Mbps. No matter what I do I can’t get Mozilla Firefox to go over 300 Mbps. I get the same results with Waterfox and Pale Moon and get ...
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14 views

How do you configure selenium headless Firefox or Chrome WebDrivers to support inline frames?

I am trying an automation test that has inline frames from other sites. The test works in non-headless with the iframes loading properly but it does not work in headless firefox or chrome. When ...
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1answer
21 views

Why does Firefox insert a space after special characters when using a font-face?

When browsing a website that uses accented characters (or special characters) and a css font-family feature, Firefox inserts a white space (not a real space character) after the accented character. ...
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23 views

Why are Mozilla Firefox speedtest results consistently <300 Mbps when Google Chrome is >700 Mbps?

Speedtest.net results using Google Chrome are consistently 700+ Mbps, but no matter what I do I can’t get Firefox to go over 300 Mbps (connecting to the same server). I get the same results with ...
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20 views

Firefox auto- login to site that doesn't keep me logged in?

There are websites I frequent (mainly my web host, Hostinger.com) that don't keep me logged in if I close the browser tab, and are annoying to log-in to for various reasons (like login delays due to ...
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1answer
14 views

How can I pass query string on Firefox command-line?

I try firefox-esr /path/to/file?field=value but seem Firefox encode the query string to the plain URL with complain File not found $ firefox-esr --version Mozilla Firefox 60.2.0
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1answer
44 views

How to save login and password in Firefox, when website has not remeber credentials feature?

I use the website on daily basis and it does not have "save login and password" feature. I don't use Firefox's password manager. Is it possible to bypass login page, to save the cache, where the ...
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55 views

Why is Firefox somehow capping my download speed at 300 Mbps? [closed]

These Google Chrome results via Speedtest are consistently 700+ Mbps. But no matter what I do I can’t get Firefox to go over 300 Mbps. I get the same results with Waterfox and Pale Moon and get the ...
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27 views

Did i accidentaly upload a file from my computer to the internet? [closed]

i am rather inexperienced when it comes to the small details of using a PC, thus this question might appear kinda silly to some of you. However, yesterday i wanted to drag and drop some files into my ...
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24 views

nt kernel & system/ ntoskrnl.exe issue

In Win10 Task manager, there is a process that takes about as much as any HDD activity as the other processes that are running. This process seems to mimic all software when it comes to HDD use. CPU ...
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21 views

How to remove Microsoft forced homepage on all browsers? [duplicate]

I am not sure what the real cause is, but recently I installed the Microsoft OneDrive on my Win 10 computer. Since then, every time I open a new browser (be that in chrome, firefox, and IE), they're ...
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31 views

H264 in Firefox on Windows 10 N without Media Feature Pack?

I'm having a problem to get Firefox to play h264 videos/audio on Twitch and Youtube. I'm running the N version of Windows 10 build 1607. I followed the instructions written in this post: https://...
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15 views

How do I force Firefox to trust local DNS resolved on MacOS?

I have problems where Firefox magically decides to resolve some internal addresses using different resolvers than the default one specified by MacOS (Mojave). DNS resolutions works well in current ...
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1answer
25 views

Upper left corner Mozilla darkened on extended display, Windows 8.1

I have this: Dell XPS 13, running Windows 8.1 & Classic Shell, with an extended display to an HP 22 uh monitor. Mozilla Firefox Quantum 63.0.3 (64-bit) gets a darkened rectangle in the upper ...
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36 views

Why is only one browser working on windows 10?

I currently have Firefox, Chrome and Opera installed (in that order). At the moment I use Firefox/Opera for personal use and Chrome for work related stuff. Firefox works like normal. Chrome and ...
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1answer
40 views

Thunderbird does not like Google? [closed]

The Mozilla's mail client Thunderbird, that was one day a great mail client, that is suffering from functional (exchange integration missing) and design problems (especially the search is awful) does ...
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23 views

Remap Home button

I have a MX3-L wireless airmouse/keyboard and would like to remap the Home button on it to a combination of keys. I want to use the Home button for starting a new window of Firefox (Ctrl+N). Default ...
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41 views

Enable Firefox DNS over HTTPS breaks every site

I have been trying to play around with the DNS over HTTPS feature that has rolled out to firefox browsers. I have tried both Firefox 63, and the Nightly 65 release. I set network.trr.mode = 3, and ...
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21 views

Advice regarding Resource Monitor

My Windows 7 laptop is running very slowly and can take an age to start up. Following advice elsewhere in this forum I have taken a look at Resource Monitor and I see that running programmes are ...
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0answers
15 views

Google Play Console fails with when accessed through Firefox ESR

Google Play Console is where Android developers go to release apps in the Play Store and to monitor and track those apps. When I access Google Play Console using Firefox ESR 60.3.0esr (64-bit) on ...
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1answer
56 views

Moving firefox profile kills drm?

I wanted to put my firefox profile to a different location. Moving-Procedure: So i copied the profile dir to the new location and started fiefox -P and created a new profile (after deleting the old ...
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3answers
132 views

Remove all certificate authorities from a Firefox profile

Objective is to trust only certain certificates stored on the hard disk for that certain profile. Thus no certificate authorities are needed. Tried without success: Delete all CAs using Certificate ...
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1answer
40 views

Pure HTML document apparently has some JavaScript running in the background in Firefox

I had to make asimple Pure HTML Document with no CSS and no JavaScript, to see how some Unicode Characters look like. While viewing this Document in Mozilla FireFox, it showed the Unicode Characters ...
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1answer
48 views

How to cycle through Firefox tabs “normally”?

I reinstalled Firefox, version 63, and now Ctrl-TAB and Ctrl-Shift-TAB don't work to cycle through existing tabs. If I open Firefox and open a second tab, Ctrl-Shift-TAB does nothing, and I expected ...
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1answer
43 views

Webpages with certain types of ads cause Firefox to hang for several seconds, only on an HP ENVY x360 13 (2018, Ryzen 7)

When I load certain webpages containing certain types of ads in Firefox, including https://www.wccftech.com/ and https://www.techspot.com/, the browser may hang at the UI level (I cannot select other ...
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59 views

Firefox extremely slow within VPN

I'm facing an issue using Firefox within a VPN connection. The Firefox is extremely slow. While other browsers continue in normal speed, considering the additional VPN overhead. I can see in the in ...
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1answer
29 views

Could not find screenshot option on Firefox Quantum

I am using Firefox Quantum 63.0.3 (64-bit) on Ubuntu 18.04. I could not find the "Take a Screenshot" button on the address bar. But I remember it was there and I have used it once or twice.  Here's ...
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5 views

Finding out what App causes unwanted new tabs in firefox on Android [migrated]

Recently some app started opening new firefox tabs with the adress 'livemobilesearch.com'. I uninstalled the most recentently installed apps, but the problem still persists. I assume the pages get ...
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1answer
26 views

How can I save media files without making a second network request?

Let's say that I open a the Developer Console in a standard web browser like Chrome or Firefox and go to example.com. After the page finishes loading, I take a look through the Network tab and find ...
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42 views

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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39 views

How to play openload, vshare links in Windows 7?

I watch streaming videos online, most of the sites upload their videos on "openload" & vshare.io". Here is the sample vhsare.io link: https://vshare.io/d/e0nf8j4. But this video link is showing ...
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28 views

How can I make Firefox play audio file instead of prompt me download it?

this link respon a mp3 file and can download by wget(1) also that downloaded local file can play by Firefox, but Firefox can't play it use URL, instead of Firefox prompt me download its URL. I find ...
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0answers
40 views

“Open new window” option in Firefox from right-clicking Dock logo?

EDIT: SITUATION RESOLVED, THANK YOU ALL! I've seen the related question for Windows, but I don't think it applies- feel free to let me know though if it does! Background: I have a Macbook Air from ...
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18 views

ffmpeg created video does not run on most browser

I created 900 pictures with POV Raytracer and used ffmpeg version 2.8.15-0ubuntu0.16.04.1 ffmpeg -f image2 -r 30 -i 'Faistenau%03d.png' -preset veryslow output.mp4 to make a video out of it. The ...
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22 views

Send Tab to other device with Chrome?

Firefox has a useful feature of sending tabs to another device. It will cause some sort of reminder, when the browser is next opened on the targetted synchronized device. Is there anything similar ...
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1answer
70 views

Yesterday, Firefox stopped loading gmail. SSL cert is fine

Corrupted Content Error The site at https://mail.google.com/mail/u/0/ has experienced a network protocol violation that cannot be repaired. The page you are trying to view cannot be shown because an ...
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4 views

Ubuntu force default program open?

In my ubuntu, I have Firefox browser and VS Code installed for text editing (it's like notepad++ on windows). Sometimes I have files ending with .html. If I double click them, VS Code opens. I tried ...
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1answer
20 views

Firefox: open URL by X11-pasting it into browser window

I have recently upgraded Firefox to ESR 60.3.0 on my linux box, and lost a convenient ability: it used to be that, if I had a URL copied into the X11 clipboard, a simple middle-click in the (focused ...
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1answer
14 views

How to get FireFox recognize certificate on my computer to authenticate myself

When I use Chrome or Edge and load a site, it prompts me to select a certificate to authenticate myself. But when I load the same site with fireFox, it does not prompt me the same. I am using Windows ...
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1answer
45 views

Can Firefox script steal my files?

I use Xubuntu 18.04 and the way I use Firefox is this: I downloaded and unpacked Firefox in my home directory; then I "chmod a-w firefox" so that nothing in that directory can be modified. Yesterday ...
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1answer
64 views

How to get Firefox to save and restore nothing but favicon, url and page-title in session backups? (many open tabs)

I usually have many tabs open and that wasn't much of a problem before Firefox updated to Firefox Quantum and when the TabMix Plus AddOn was still working. However now Firefox has become barely usable ...
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46 views

Firefox doesn't restore sessions

Every now and then when I open Firefox it doesn't restore the previous session. What's even more irritatiing is that I can't seem to restore any previous sessions manually because the history is gone. ...
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49 views

Firefox Gmail Corrupted Content Error [migrated]

Just today, all the sudden my Firefox can't access to Gmail. When I try to login to my Gmail, it will shows Corrupted Content Error The site at https://mail.google.com/mail/u/0/ has experienced a ...
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35 views

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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17 views

How do I get Firefox to ignore the content type and use the extension to open a file?

I am often emailed links to files on an internal website. These files all have a ".p4r" extension. When I click on the link, Firefox (v63) prompts me to download the file. I am not given the ...
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38 views

Why firefox behaves so weirdly/annoying?

Occasionally FF starts very heavy activities, performing huge amounts of I/O (On my HDD) and considerable CPU usage for a long time (More than 10 minutes is really normal for it) that there is no ...
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0answers
104 views

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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1answer
55 views

Firefox tracks downloads, but are uploads logged somewhere?

Is there a way to find the history of uploaded files like there is for downloaded files? If there is not a GUI for this, is there a log file I can comb through for this information? I am looking for ...