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11 votes
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Is there a Firefox utility that can convert webpages to PDF?

The URL at the top and at the bottom of each PDF page is the default setting, but that doesn't mean it cannot be changed. Whenever you want to print a web page as PDF, go to File -> Print -> Print to ...
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  • 1,770
10 votes
Accepted

Firefox extension to use multiple Stack Exchange accounts

As we are here to recommend software, and OP explicitly asked for a Firefox extension, let me add to ᔕᖺᘎᕊ's answer: Using profiles as suggested by ᔕᖺᘎᕊ is a good start – but to always have to go via ...
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  • 18.5k
9 votes
Accepted

Tool to take screenshot of a specific HTML element of a webpage

You can use inspect element to get the "Unique Selector", then input that into the firefox console (hit shift-f2) and type in screenshot --selector <unique_selector> --clipboard to save to ...
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9 votes

Open source Firefox add-on to take screenshot of whole page

You can already do it with Firefox: Press F12 Click on settings Enable full-page screenshot Now you can always click on that camera icon and the screenshot will be saved to your Downloads folder
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  • 1,216
9 votes

Firefox add-on that suspends inactive tabs, to use less memory

There are several options: Auto Tab Discard (Compatible with Firefox Quantum) Use native tab discard method to automatically reduce memory usage of inactive tabs. One Tab (Compatible with Firefox ...
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  • 2,887
7 votes

Warn me when I copy hidden content from a webpage

In firefox urlbar: type in about:config and press enter. Then try this: type in dom.event.clipboardevents.enabled in the bar below the url bar, and set to false by double clicking on the true. This ...
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7 votes

Firefox extension to use multiple Stack Exchange accounts

Instead of using a separate extension designed for this, just use Firefox's built-in solution of having separate user profiles. You can find more info on setting this up over here at Firefox's ...
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  • 6,690
7 votes

Firefox extension to use multiple Stack Exchange accounts

Using the profile manager like others have suggested, while practical, seems a bit overkill and may be a bit clumsy, as you would have to wait for profiles to switch constantly. (Or you could run ...
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  • 171
7 votes

Alternative to Ghostery (tracker-blocker) add-on for Firefox?

First, Ghostery is made by Ghostery Inc. an ad company. I'm sure their research is respectful but it is good to know about it at least. I would try Privacy Badger made by EFF. The way it works is ...
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  • 171
6 votes
Accepted

Is there a "Open in Firefox" Google Chrome extension?

Great question, I've never found an OSX app to do this, so I've used the following Applescript (edited to work for Firefox, instead of Safari): tell application "Google Chrome" set urlChrome to ...
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  • 6,690
6 votes

Firefox extension to use multiple Stack Exchange accounts

I'd suggest using cookies-based approach, instead of browser-profile ones. Because cookie solutions: are faster and more convenient - switching profiles takes browser restart need less setup - no ...
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  • 193
6 votes
Accepted

Firefox add-on to store custom CSS on specific websites

There is another add-on called Stylus which is a Stylish fork for Firefox, Chrome and Opera without analytics. I wanted to update the answer to this question, because as of August 2017, Stylish has ...
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  • 71
6 votes
Accepted

Firefox extension to hide some elements permanently

Check out the uBlock Origin ad blocker add-on. You can choose to block addons using the element picker tool, or just right click the element > Block element and then adjust the sliders and follow ...
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  • 78
5 votes

Firefox extension to copy the title and URL of the page to the clipboard

I recommend Copy Urls Expert, a good balance in terms of customization and ease of use. I needed a Firefox extension that could copy the web address (URL) of each tab into the system clipboard. Copy ...
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  • 1,770
5 votes

Firefox extension to copy the title and URL of the page to the clipboard

Easy Copy (website) Allows you to copy the link and title of current tab through context menu or keyboard shortcut You can't use Ctrl+C to copy, Easy Copy uses Ctrl+Shift+Y instead. Unfortunately, ...
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  • 1,617
5 votes
Accepted

Firefox extension/userscript to prevent accepted answer from sticking to top on Stack Exchange

I've made a userscript to do this - it adds another sort button on the answers tab: I've tested it on Firefox and Chrome on this question. It will take the votes and sort them in descending order ...
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  • 6,690
5 votes
Accepted

Mozilla Firefox extension for night reading?

You may also want to try Owl, a light add-on built specifically for this purpose, and very much Dark Reader for Chrome. (Disclaimer: I also happen to be the developer of this [and other] add-ons)
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4 votes

Firefox plugin to un-Google-fy links and copy them to the clipboard/pasteboard?

Google Tracking-B-Gone for Greasemonkey will convert all Google links back to their original values, allowing you to copy as you would any other link.
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  • 454
4 votes

Which Ad Blocker for Firefox best meets these common requirements?

At this time, uBlock will meet your requirements the best. uBlock matches your primary requirement of "The ad blocker which can block the most ads" very well. It is specifically designed to handle ...
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4 votes

Mozilla Firefox extension for night reading?

You could use Stylish (FF) --- Chrome and install user styles built for darkness. I'm personally using a few 'skins' on Firefox and Pale Moon. Some sites are a bit buggy and require you to exclude ...
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  • 469
4 votes

Open-source web clipper for Firefox

ScrapBook X is a powerful and improved fork of ScrapBook. Its source is released under the Mozilla Public License Version 2.0. It DOES include a keyboard mapping feature for capturing the selection ...
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  • 625
4 votes
Accepted

Firefox addon to block attempts to make text unselectable?

https://addons.mozilla.org/firefox/addon/righttoclick/ Stops javascript annoyances such as forbidden right click, forbidden text selection or disabled features like copy/save images from web-pages. ...
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4 votes

Firefox bookmark manager with two panes

At this time, there is the Bookmarks Commander github repo here for Mozilla Firefox for Google Chrome
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4 votes

Equivalent to NoScript for Firefox Quantum

You could try uMatrix which offers all that NoScript has, but even more granular. That means a little learning (dealing with uMatrix is a bit different), but also more flexibility. To give you an idea,...
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  • 18.5k
4 votes
Accepted

Firefox add-on that suspends inactive tabs, to use less memory

Tab Suspender (memory saver) seems to be a pretty good alternative.
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  • 1,454
4 votes

Separating work and personal tabs in Firefox

The standard solution from Firefox to isolate work and home tabs is to use first party isolation which separates cookies and local storage for different set of tabs. But that doesn't seems to be what ...
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  • 269

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