Questions tagged [browser-addons]

"Browser addon" is a generic term to cover both extensions to web browsers and plugins which are an older and more specific concept. Mostly used with regard to the Firefox web browser.

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13 views

DarkReader addon in Chrome: white flashes when tab-switching

I am using the DarkReader addon to make Chrome display pages in a dark theme. This addon has for a long time been suffering from a persistent bug, whereby white flashes are displayed when switching ...
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1answer
29 views

Enable/disable Chrome extensions per site (via white or blacklist)

Is it possible to create a black or whitelist for Chrome extensions that works per site? I find there's a few extensions that I find extremely useful on some sites, but clash with others.
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Print all open tabs in a Chrome window

I have to print frequently a couple of dozens of PDF pages open in one Chrome window. The manual process involves Cntrl+P for print; hit ENTER to proceed with the pinting; press Cntrl+DwnPg to go to ...
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27 views

How to make google search in browser adjust to window size?

I generally use my browser side by side with some application(s) so that I could make a google search while doing some work. But the problem is that the google search page doesn't adjust according to ...
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43 views

Replicate browser session across remote connection

I would like to have a way of replicating a web browser session across a remote connection. Suppose you are a remote user want to browse a website together in real time. A possible solution is to ...
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23 views

BlockSite add-on for Firefox reseting Show Warning setting

Every time I open a new window, including moving a tab to a new window, the Show Warning setting resets from unchecked to checked, from 'false' to 'true' in about:config > extensions.BlockSite....
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31 views

Howto get rid of white screen splashes between pages with DarkReader on Firefox?

I'm using the latest Firefox 73.0 on Ubuntu 18.04. And I'm using the DarkReader AddOn (Or here at GitHUB) at night, which takes care of automatically creating a dark background to reduce eyestrain. ...
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26 views

Is it possible to adjust video/audio sync for <video> elements in a web browser?

My Bluetooth headphones have a slight delay, probably about 250ms but it seems to vary depending on the day. Otherwise I like them, but it makes watching movies very annoying, since the lips don't ...
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151 views

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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140 views

Set Ecosia as default Search (Engine) Provider in Chrome / Firefox

Our organisation is in the process of setting Ecosia as the default Search provider for all browsers and we will like achieve this by using the GPO template via your link here https://ecosia.zendesk....
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67 views

is there a way, in firefox, to take a screenshot of the current window, using only one keyboard shortcut

I am aware of the built-in firefox screenshots, but they require the use of the mouse and at least 3 clicks. Is there any way on vanilla firefox or using extensions to take a screenshot, that gets ...
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32 views

How to check for full browser configuration

I am helping a customer who is trying to use our company's website and failing in mysterious ways. Other users, even with the same browser type, are using our site without problems, while she can't. I ...
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1answer
152 views

Running JavaScript in Microsoft Edge browser without installing a userscript manager like Tampermonkey

I have a JavaScript script I desire to run each time I use Microsoft Edge; it should effect all webpages of a particular website. It seems to me that naturally to do so I should install a userscript ...
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21 views

Is there a browser behavior to hold/“home” individual tabs' URLs

I've been looking/hoping for an extension for this for years, and it's just not showing up. Maybe I'm not googling right... The behavior I'd find terribly useful is: * Select a tab * Mark it in some ...
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1answer
399 views

What does the Google Analytics Opt-out Browser Add-on do?

I recently tried to opt-out of Google Analytics tracking on a website using my secondary browser (no other tracking blocking active) and, expecting to be given a cookie setting, was surprised to be ...
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80 views

How to open in Firefox link to local file without opening empty new tab?

When I use link to local files from web application the firefox open empty new tab first and after that open link in the application. How can I open local links directly in the application without ...
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19 views

Is it possible to use Google Cloud to automatically detect and NOT display images which meet a certain criterion on a web browser?

I'll start with my objective: I want chrome (or any other browser) to not display any image on any website which Google Cloud's Vision AI (https://cloud.google.com/vision/) classifies as a certain ...
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357 views

How to give chrome extension permission to change protection pages

I am using dark reader extention and sometimes I stumble on pages protected by browser or settinfs pages which gives my eyes white theme shock which hurts
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1answer
93 views

Firefox, how to get Add-on back in Toolbar after removing it?

I right clicked an Add-on (uBlock) that was in the toolbar and selected "Remove from Toolbar" now how do I put it back? Add-on is still installed just not in toolbar. --Customize screen, no Add-ons.
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868 views

Error while trying to run Whatsapp on Chrome with the Archon Runtime : import extension is not installed. can't load manifest file

I would like to run Whatsapp on Chrome using this extension Archon Runtime. To achieve the goal,this is what I did : 1) I've got the apk file of Whatsapp 2) I've installed Chrome OS and the ...
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1answer
190 views

how to override website's stylesheets?

I'm looking for a way to customize some websites appearance using local css stylesheets. Preferably on firefox but a solution for any browser would be fine I am aware there are some extensions like ...
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114 views

enabling Mozilla Firefox addon using a user.js file

I have tested that you can enable ff addon (specialy addblock plus for me) by going into about:debugging then setting the "Enable add-on debugging" and selecting the appropriate .xpi file. This has to ...
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1answer
2k views

“This add-on could not be installed because it appears to be corrupt” on Waterfox with xpinstall.signatures.required=false

I'm trying to install an add-on: https://addons.mozilla.org/firefox/downloads/file/887261/referer_control-1.31-an+fx.xpi It works fine if I manually download it and then install it as a "temporary ...
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535 views

Firefox add-on bug 04-May-2019 - cannot enable “studies”

So Firefox has disabled the half a dozen plugins I'm using, essentially this problem. Instead of blindly trusting, using the xpinstall.signatures.required = false, hack, I would like to have FF update ...
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1answer
70 views

In Firefox, how can I filter and extract multiple links located within multiple open tabs?

Here is my situation. I have 100 tabs open in Firefox. Within each tab is 20 unique URLs. I only need 10 of these links. This adds up to 1000 unique URLs I need extracted into a text list, so I can ...
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2answers
44 views

How to automatically adapt a websites zoomlevel to a fixed text-size?

I'm using Chrome and know that I can manually change the zoom level of any webpage. But since the font and its size changes between sites, I have to do it far too often, so I am sick of it. Is ...
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1answer
122 views

Sharing tabs between separate instances of Firefox

Is there a way for Firefox to beam links/tabs from computer to computer? Say I have Firefox open on a laptop, and I want to beam a link or tab to another computer. Is there a way to do this already in ...
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20 views

AdBlock Edge extention is turn off on each restart

Question : At every restart, AdBlock addon is desactivated. Requiring me to manually enable the addon. Is there a way to automaticaly reactivate it with a script or to solve the issue? Version : ...
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2answers
45 views

How can I run vector field plotting applet math.la.asu.edu using Java(TM) Platform?

The website in question can be found here, and allows plotting vector fields - it is a great resource with all sorts of bells and whistles. I can access it as I write these lines on a different ...
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2answers
3k views

How to take screenshots of a list of URLs

I need to save thumbnail-sized screenshots of about 20 intranet pages and repeat every week. I ruled out using an online service because the screenshots are business information. I ruled out ...
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1answer
161 views

Highlighting visited links in Firefox (TOR Browser) forever?

I used to visit to one website full of catalogue and directories. On this website linked that I was visited been highlighted, but after some times (month or two), links become on their original color. ...
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132 views

Google Chrome extension to run javascript code snippets instead using bookmarklets

I have a lot of bookmarklets that I use frequently. Currently I use my bookmark bar, which is filled up a little but, also you can't add icons, so the titles are mostly kept short. Are there any ...
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1answer
95 views

Potentially malicious software: was it removed? [duplicate]

I downloaded what may have been a malicious extension on Google Chrome. I don't know if that was a legitimate extension or not; I got it in order to access Pearson, hand-typing a link that another ...
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32 views

“Process” every URL I browse to? Store them externally [closed]

For a project I need to log externally every URL I browse to. Nothing complicated, feeding them into a Javascript (1) would be enough. Any browser will do but Chrome is preferred. This script would ...
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1answer
72 views

Firefox: Remove all files from cache except images

When the Firefox browser closes, I have configured it to clear everything except cache so that images load quickly on the next run. However when I checked C:\Users\jacobgu\AppData\Local\Mozilla\...
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18 views

Tools/addons to edit how pages are rendered in browser

I'm looking for something what seems to be quite straightforward but I am not successful so I clearly take a wrong approach. I would like to have more power over displaying pages than usual ad-...
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2answers
960 views

Disable Firefox synchronisation for a single addon

I use firefox sync on different pcs and have an addon that should only be synct/enabled on one of them. How can this be realized? Background: Zoom One of my pcs is connected to my TV. It's used to ...
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100 views

How do I install browser extensions to Firefox, Chrome or Edge browsers in Windows 10 as a regular user?

Since morning I have been trying to install add-ons for Firefox, Chrome and the Edge browsers, but I have achieved little success. I have only been able to install these to administrator accounts but ...
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3answers
937 views

How to get incompatible addons in Firefox work again?

After being forced to update to Firefox Quantum, I: downloaded Firefox 52.9.0 ESR toggled xpinstall.signatures.required in about:config from true to false But even when most XUL add-ons work again, ...
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1answer
99 views

Turn visited website hyperlink to purple

By default any link I visit on google turns purple on most browsers. This only applies to the specific webpages I visit. Is there any way to turn links for all webpages of a particular website purple ...
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4answers
14k views

Multi-row tab bar in Firefox Quantum

Firefox Quantum breaks tab mix plus and tab kit. Is there any way to get a multi-row tab bar in Firefox Quantum? If possible, I'm looking for a supported, stable solution, that is unlikely to break ...
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373 views

How to automatically enable provisioned extension in Edge?

I have created an unattended installation image of Windows 10 following Kari’s excellent guide. I have downloaded uBlock Origin package from the Store and incorporated it with Add-...
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1answer
424 views

How to sync installed addons from opera addons?

How to sync installed addons from opera addons who i have installed like chrome does? I have installed opera addons on opera but how to sync them?
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1answer
17 views

How to bookmark favorite addons from opera addons?

How to bookmark favorite addons from opera addons?
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2answers
2k views

How to backup history in Firefox?

Firefox currently has a history page limit. In about:config: places.history.expiration.transient_current_max_pages: 10322 I want to retain it completely. There are lot of useful information in that ...
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1answer
1k views

Changing HTML5 videos playback speed

In Firefox you can control the playback speed of HTML5 videos by pressing F12 and typing the following in the console: document.getElementsByTagName("video")[0].playbackRate = 1 Although this method ...
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1answer
128 views

How can I get rid of invasive privacy notice popups/sticky footers in Firefox?

Lately it seems like a large majority of the websites I visit are pestered with invasive popups or sticky footer bars that take up the majority of my screen space, telling me about each website's ...
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1answer
1k views

program/script/etc that auto-refreshes a chrome tab until a certain word/phrase/number is found/not found and then it stops

Something I can use to automatically refresh a web-page (with specified time intervals) that searches the page for a certain text and stops refreshing once its found/not found. I found this script ...
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1answer
4k views

How to block un-installation of extensions in Chrome/Chromium, using ExtensionInstallForcelist?

In order to prevent de-installation of the chrome extension "stayfocusd" In a windows 10 pc with both Chrome Version 67.0.3396.62 (Official Build) (64-bit) and chromium Version 67.0.3396.62 (Official ...
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1answer
59 views

Tab content not loading on browser start or undo-close tab

When I undo a closed tab using the TabMixPlus addon, it does, indeed undo the tab, but the tab opens blank instead of loading it's content. I've searched all through about:config for a setting and ...

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