65
votes
If a Chrome Extension is installed but turned off, can it still spy on me?
When an extension is turned off, it is not loaded into memory, and as such can't do anything.
When you turn an extension on, it has access to your entire browser history, and if an extension wants, ...
- 64.4k
34
votes
Accepted
Enable/disable Chrome extensions per site (via white or blacklist)
If you don't mind installing an extra extension, this might be useful: Extension Manager
I was looking for a solution to the same problem. I only need to disable the extension on a single domain, ...
- 472
21
votes
Is there a way to copy URLs from all open tabs in a Google Chrome (or other browser) window into an email?
Captain here
All you gotta do is type the following in the address(URL) bar in chrome
chrome://inspect/#pages
This will let you copy all of the URLs from all the open tabs into your favorite text ...
- 211
18
votes
Enable/disable Chrome extensions per site (via white or blacklist)
As of January 2021, Chrome 88 only lets you run extensions in 3 modes:
On click
On specific sites (i.e. a whitelist / allow-list)
On all sites
Unfortunately there is no built-in way to set a block-...
- 2,771
10
votes
Accepted
Download PEM via browser only
A PEM is a particular format. If you don't have a file in PEM format you won't be able to download it as a PEM file. What you can do is get the certificate information and convert it to whatever ...
- 9,313
9
votes
How to search for bookmark folders in Firefox
I just found Bookmark search plus 2. It will select the bookmark in the hiearchy after searching.
In 2018 the previously suggested plug-ins no longer exist.
- 191
9
votes
How to search for bookmark folders in Firefox
With the advent of Firefox Quantum (v57+), which uses the new Web Extensions API, most of the previously suggested plugins no longer work. However this one - the Bookmarks Manager and Viewer - does ...
- 2,109
9
votes
Shortcut for expanding a collapsed tree in Tree-style-tab addon
Years has passed but pressing F1 hides/show Tree Style Tab. This can be set at about:addons => 'Extensions' => the gear button => 'Manage Extension Shortcuts' => 'Tree Style Tab' => '...
- 209
8
votes
Accepted
What is the "Web Compat" Firefox addon - Avast suggest removing
Full disclosure: I am a Mozilla employee and in fact one of the developers working on the add-on in question!
It is true that we're now releasing some features internally as something we call "System ...
- 196
7
votes
Is there a way to copy URLs from all open tabs in a Google Chrome (or other browser) window into an email?
There is also TabCopy, which has not been mentioned yet. It has a higher rating than Copy All URLs, and offers more supported formats.
- 3,419
7
votes
Is it possible to save every webpage you visit?
I'm the author of SingleFile. This Web Extension has been rewritten to be compatible with Chrome and Firefox (desktop and mobile). It has an "Auto-save" mode than allows you to save all the pages you ...
- 171
7
votes
how to override website's stylesheets?
Both Stylus and Stylish are available on Chrome and Firefox.
On Firefox: Stylus and Stylish
On Chrome: Stylus and Stylish
You can browse popular styles made by other users on Userstyles.org.
- 2,146
6
votes
How do I block YouTube's suggested videos?
Improve YouTube!
You can use Improve YouTube!, an open-source browser extension that can tweak YouTube in various ways (Chrome version / Firefox version).
The videos thumbnails displayed in the ...
- 6,322
6
votes
Refresh all tabs in Google Chrome
You should select all relevant tabs by pressing the first tab and then Ctrl+Shift and clicking on the last tab. Or pressing Ctrl+ and clicking on any tab you wish to reload.
After all relevant tabs ...
- 61
6
votes
Accepted
Changing HTML5 videos playback speed
You can avoid using extensions with bookmarklets. A bookmarklet is a browser bookmark that doesn't actually open a webpage, but executes a piece of Javascript. Bookmarklets use the javascript: ...
- 58k
6
votes
Multi-row tab bar in Firefox Quantum
Here's an updated userChrome.css that shows icons and hides the ugly scrollbar in the tab rows
UPDATE: Newer Firefox versions changed userChrome behavior again, now I've taken the script directly from ...
- 1,074
5
votes
Accepted
How to take screenshots of a list of URLs
Are there other ways?
You may want to consider using Chrome in --headless (GUI-less) mode (available since version 59+). Firefox has had a similar feature since version 56+.
Combined with the --...
- 17.8k
4
votes
Disable ALL cookie warnings and hints
2022 update: uBlock Origin has cookie notice blocking built in. Enable Fanboy’s Annoyance filter list, which has EasyList Cookie List built in, or enable EasyList Cookie List directly.
- 1,995
4
votes
Accepted
Firefox Quantum (>=57) How to toggle all toolbars? (with a keyboard shortcut, like F11 but in a window, not fullscreen)
This doesn't give you a keyboard shortcut, but you can use the :hover pseudoclass to allow auto-showing the nav box (the toolbars at the top of the browser window) when you hover at the top of the ...
- 398
4
votes
How to backup history in Firefox?
Simply open your History panel.
Then at the top left of the panel, click the menu "Import and Save". And there, the first line you find in that menu is... "Save". It saves all your history.
Simple. ...
- 41
4
votes
Multi-row tab bar in Firefox Quantum
I tried looking for alternatives for this too and found no real options but to use a combination of addons:
I'm now using Tab Mix Plus (WebExtensions) and the Tree Style Tab addons, along with ...
- 140
4
votes
Accepted
"This add-on could not be installed because it appears to be corrupt" on Waterfox with xpinstall.signatures.required=false
I wonder if the recent signature changes have affected something.
The recent signature changes involved reissuing an expired certificate. Addon signatures were not re-generated – instead the ...
- 482k
4
votes
Accepted
How do I install an add-on from a file in Firefox?
Is there a way I can do this without recompiling Firefox as well?
Firefox removed the ability to use unsigned add-ons, with the release of Firefox 44 which was 32 versions ago, which is about 4 years ...
- 43.6k
4
votes
Firefox disable extension on local files
The local files have no domain. You can verify it by opening the console with F12 when displaying a local file and executing this command : console.log(document.domain).
So we can restrict extension ...
- 477
3
votes
Is it possible to view HTML source auto-formatted in Firefox
If anyone is looking for the same functionality in 2019, there is Fire Source Viewer [1] for Firefox Quantum which displays the beautified HTML DOM after javascripts manipulates it, which is even ...
- 131
3
votes
Firefox multi row tab bar?
EDIT: I am now using a different method, described in this answer:
https://superuser.com/a/1352233/260948
To have the tabs on multiple rows, without icons, of a fixed size I do as follows. Tested on ...
- 437
3
votes
Chrome extension to allow text selection
You can use bookmarklet for this.
javascript:(function(){function allowTextSelection(){window.console&&console.log('allowTextSelection');var style=document.createElement('style');style.type='...
- 379
3
votes
How do I block YouTube's suggested videos?
Using Stylish, a browser plugin, I made a rule for YouTube with:
.ytp-ce-element
{display:none !important}
This blocks the overlay elements for suggested videos and the channel icon/logo.
- 51
Only top scored, non community-wiki answers of a minimum length are eligible