12 Easiest Firefox Extensions and Upload-Ons in 2021

by | Dec 25, 2021 | Etcetera | 0 comments

Are you searching for Firefox extensions that can assist you take your browser revel in to the next degree? Look no further.

Extensions and add-ons can improve your browsing revel in and can allow you to do the whole thing from managing your passwords to recording your show.

If there’s any capacity you’re missing in Firefox, the chances are that you just’ll have the ability to add what you need by the use of an extension.

This text will break down simple tips on how to arrange and prepare extensions. It’s going to moreover sing their own praises the best extensions and add-ons available for Firefox in quite a lot of categories.

Be informed without delay to learn how to take advantage of your Firefox browsing revel in.

What Are Firefox Extensions (Moreover Referred to as Firefox Add-Ons)?

Firefox extensions, previously known as Firefox Add-ons, are tiny strategies that function throughout the web browser to extend its capacity.

For example, Privacy Badger is an extension you’ll have the ability to arrange onto Firefox to prevent invisible tracking scripts from tracking your every switch online.

Firefox extension Privacy Badger
Privacy Badger extension.

By the use of setting up and together with it to Firefox, you add that additional capacity and change your browsing revel in.

All kinds of extensions are available that can add different choices to your Firefox browser.

For example, you’ll have the ability to use them to take show captures, rearrange your Firefox tabs, check your grammar, prepare dark mode on every internet web site, and additional.

If you want to have a bit of bit additional something out of Firefox, and likewise you’re excited about changing browsers, a Firefox extension would possibly do the duty as a substitute.

The ones extensions and add-ons are available throughout the public Firefox extension library and other puts online.

You’ll have the ability to merely download and arrange them from inside of Firefox with a few clicks — additional on this later.

Are you looking for Firefox extensions to help you take your browser experience to the next level? 👀 Look no further. 💪Click to Tweet

Are Firefox Extensions Safe?

Firefox extensions are maximum steadily secure to place in and use as long as you’re taking the correct precautions.

Independent third occasions building up firefox extensions, then again the most popular ones are subject to coverage trying out previous than Mozilla accepts each new type. So while stylish extensions are maximum steadily secure, you will have to take some precautions.

Each extension submitted to the first rate Firefox add-ons checklist is scanned for issues, then again not all are reviewed manually.

Even Mozilla itself recommends being aware of what permissions an extension asks for.

Firefox extension permission guidelines
Firefox extension permission pointers.

Mozilla moreover recommends that buyers ask themselves a variety of questions previous than setting up a plugin, along side whether they consider the developer or brand behind it.

On the other hand there don’t seem to be any added risks with Firefox extensions specifically. The troubles are the an identical as with Chrome extensions, for example.

Number one extensions complicated thru loyal producers and developers are maximum steadily secure, while something a lot much less identified would possibly simply pose some degree of risk.

If Mozilla puts a badge onto an add-on that warns, “this add-on isn’t actively monitored thru Mozilla,” you will have to make 100% sure it’s from a reputable provide.

As long as you practice the precautions outlined above, you received’t face any longer risks on account of Firefox extensions.

Arrange and Remove Firefox Extensions

To position in a Firefox extension, you need to seek advice from the official Firefox extension library. You’ll have the ability to arrange extensions in numerous tactics, then again they’ll comprise some risk aside from the creator is 100% trustworthy.

From there, you’ll have the ability to each search for a selected extension or browse categories until you in finding one that interests you.

You’ll have the ability to to seek out the ones categories immediately on the homepage and uncover them thru clicking on the ones you’re concerned about.

The Firefox Extensions Library
Firefox Extensions library.

You probably have a selected capacity or purpose in ideas, you’ll have the ability to moreover search for a brand spanking new add-on the use of any keywords you want.

For example, if you want to recuperate keep an eye on over all your open tabs, you want to search for “tab keep an eye on.”

Firefox extension search results
Firefox extension search results.

You’ll have the ability to then filter the consequences thru relevance, most consumers, top-rated, trending, and additional. That makes it easy to quickly to seek out the type of extension you want for your browser.

When you in finding an extension you prefer, click on at the finish consequence to open the extension internet web page. You’ll have the ability to see the add-on’s ranking and additional information about what it does on this internet web page.

Add extension to Firefox button
Click on on on the Add to Firefox button.

Clicking this button will motive a suggested in Firefox asking you if you want to add the extension and explaining the permissions it’s soliciting for for.

Whilst you’re comfortable with the permissions, click on on “add.” That can officially add the new Firefox add-on to your browser.

Firefox extension permissions
Firefox extension permissions popup box.

You will have to now see the a success arrange message throughout the top-right corner of your browser.

Firefox extension installation message
Firefox extension arrange message.

You’ve successfully installed a Firefox extension. To use or see the new capacity in movement, chances are you’ll want to refresh the tab or close and reopen Firefox.

Now that you know the way to place in an extension, let’s cover simple tips on how to prepare and uninstall them. In any case, you don’t want to in the end finally end up with a browser overloaded with heavy extensions you don’t need.

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Managing and Uninstalling Firefox Extensions

Managing your extensions as you installed them, and uninstalling them as you move, are the most important parts of the use of extensions.

Explicit Firefox add-ons can use relatively a large number of RAM and CPU depending on their purpose. To stick the Firefox browser mild and run optimally for your pc, you will have to only keep the extensions you actively use.

To see all your Firefox extensions, you need to open your library of add-ons. You’ll have the ability to each open up the menu and click on at the “Add-ons” link, use the Ctrl / Cmd + Shift + A keyboard shortcut, or type “about: add-ons” into the URL bar.

Find the Firefox add-ons in the menu
Firefox add-ons throughout the menu.

That can open a internet web page with the headline “Arrange Your Extensions.” Proper right here, you’ll have the ability to see every add-on you’ve ever installed.

To uninstall an extension, click on at the menu link on the extension you want to remove, and make a choice the “Remove” risk.

Remove Firefox extension
Remove Firefox extension.

All Firefox extensions are enabled thru default upon arrange.

Whilst you only use an extension every so often, and you want to speed up your browsing revel in on each instance you don’t, you’ll have the ability to moreover disable an extension as a substitute of uninstalling it.

To disable an extension, click on at the blue toggle button and ensure it’s grey as a substitute of blue.

Where Are Firefox Extensions Stored?

Whilst you’re wondering where Firefox stores the extension data and an identical data for your pc, it’s made up our minds by way of your operating tool.

In House home windows, data from your add-ons is stored throughout the app data folder beneath your personal individual:

 C Drive > Shoppers > USERNAME > AppData > Roaming > Mozilla > Firefox > Profiles > VERSIONNUMBER.default > extensions

Extensions folder in File Explorer in Windows
Extensions folder in File Explorer in House home windows.

On a Mac pc, you’ll to seek out the add-on data in a similar location inside of your individual’s library folder:

Shoppers/USERNAME/Library/Application Make stronger/Firefox/Profiles/VERSIONNUMBER.default/extensions

The everyday individual most likely received’t want to to seek out the actual record location of the extensions.

The only the explanation why to try this is if you want to be extraordinarily cautious and scan new extension data with anti-malware or antivirus tool (aside from there’s a badge pronouncing Mozilla doesn’t actively monitor it, that isn’t strictly necessary.)

By the use of now, you will have to understand precisely simple tips on how to to seek out, arrange, and prepare provide Firefox extensions, so it’s time to proportion our tips with you.

We’ve compiled a listing of 12 extensions in quite a lot of categories that can assist you get additional out of your web browser.

12 Best Firefox Extensions thru Elegance

In this section, we’ll cover 12 of the very best Firefox extensions in their respective categories, from password keep an eye on to web design and even eye protection.

1. Password Regulate: LastPass

For managing your passwords, we recommend the LastPass Firefox extension.

Lastpass is an award-winning password manager, and this extension keeps your passwords every secure and out there — which may seem to be a catch-22, then again it isn’t.

LastPass Password Manager Firefox extension
LastPass Password Manager Firefox extension.

It locks your passwords safely behind two-factor identification on iron-clad, protected, and encrypted servers.

To get entry to any password, you need to use your LastPass password and your piece of email care for or a mobile phone amount.


  • It stores passwords securely throughout the cloud, in order that you only need to keep in mind one.
  • Allows get entry to to passwords on all gadgets, along side native apps for Android and iOS.
  • Protects your passwords with military-grade encryption.


  • In no way concern about forgetting a password and going by the use of an extended resetting process yet again.

2. Ad and Tracker Blocking off: uBlock Starting

uBlock Origin isn’t the similar as every other adblocker in that it doesn’t merely come with a selected built-in library of things to block.

As a substitute, it’s a “wide-spectrum content material subject matter blocker” this is going previous merely the most important adblocker lists. It focuses on moreover limiting JavaScript and other portions that can slow down your revel in and use additional pc assets.

uBlock Origin Firefox Extension
uBlock Starting Firefox Extension.

By the use of default, it comes with a few blocking off lists concentrated on every online advertisements and trackers that can assist you enjoy an ad and tracker-free revel in online.


  • Blocks advertisements effectively with a few up-to-date ad-blocking lists, along side EasyList.
  • Blocks trackers to protect your privacy online.


  • Revel in an ad-and tracker-free browsing revel in.
  • Boost the potency of your browser and pc thru blocking off JavaScript globally — although this may increasingly every so often interfere with the potential of a couple of internet websites.

3. Grammar and Spell Checking: LanguageTool

If you want to have some have the same opinion with grammar and spelling when writing emails or web content material subject matter, look no further than LanguageTool.

Stop being curious about the use of words like ‘their’ and ‘there’ as it should be. You’ll get the correct answer immediately, without a wish to invite Google for have the same opinion.

LanguageTool Firefox extension
LanguageTool Firefox extension.

It’s advisable while you artwork in a job where you rely on emails as a very important form of verbal exchange.

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You’ll have the ability to moreover use it to ensure any blog or social media posts are grammatically right kind.

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  • Proofreads and edits as you type emails, social media posts, or create other content material subject matter online for your browser.
  • Means that you can right kind errors for your writing with a single click on on.


  • Be told upper grammar by the use of writing without hiring a trainer, learning dry grammar books, or taking classes.
  • No registration, account, or subscription is wanted.

4. SEO: SEOQuake

Whilst you’re searching for a Firefox extension that can assist you boost your SEO results, SeoQuake is a great place to start.

It’s a completely free plugin that will provide you with get entry to to many various SEO metrics for every internet web page you seek advice from.

SeoQuake Firefox extension
SeoQuake Firefox extension.

You probably have a WordPress website online, you may also want to uncover our report of recommended SEO plugins for WordPress. They are able to will allow you to right away improve your on-site SEO, which you’ll have the ability to use with this external data to boost your rankings.


  • It presentations you back-links, guests, display advertisements, and other SEO wisdom for pages that you simply seek advice from.
  • Evaluates the cell usability of your website online or your pageant’ internet websites.
  • Exports results to a CSV construction.
  • Provides social sharing statistics for more than a few pages.


  • Get a leg as much as your pageant thru doing an in-depth audit of your key pages and blog posts.

5. Readability: Tranquility Reader

Whilst you’re struggling to be informed online content material subject matter on account of autoplaying motion pictures, advertisements, widgets, and other invasive media content material subject matter, you’ll have the ability to use Tranquility Reader to eliminate the whole thing then again the text.

You’ll have the ability to even set your own custom designed laws for taking out and keeping up to create a tailored revel in for you.

Tranquility Reader Firefox extension
Tranquility Reader Firefox extension.

Whilst you’re struggling to be informed on account of small text or colored backgrounds, you’ll have the ability to set custom designed font sizes, colors, and backgrounds.

You’ll have the ability to moreover save content material subject matter offline for learning later without an internet connection.


  • Removes advertisements, auto-playing motion pictures, social sharing widgets, pictures, and additional from online content material subject matter.
  • Edits the font dimension, color, and background to make it additional readable for you.
  • It’s going to provide the way to save content material subject matter offline for learning later.


  • Be informed your favorite blogs or online newspapers without any interruptions.
  • Create a custom designed learning revel in that isn’t as taxing for your eyes.

6. Time Regulate: Tomato Clock

Whilst you’re working from home for the principle time or want to experiment with new time keep an eye on strategies, Tomato Clock is a Firefox extension that can will allow you to.

Tomato Clock Firefox extension
Tomato Clock Firefox extension.

It follows the “Pomodoro technique,” breaking down your artwork hours into categories of 25 minutes followed thru five-minute breaks.

The technique is designed that can assist you stay hyper-focused on artwork for short classes to keep away from burning out all the way through the day.

You’ll have the ability to moreover keep an eye on the timer lengths depending for your methods and strategies.


  • Robotically tracks time worked and divides your workday into artwork and rest classes — thru default, 25 minutes artwork, 5 minutes off.
  • Means that you can customize the timer to any period.


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  • Toughen your efficiency and productivity with upper time keep an eye on.

7. Tab Regulate: Tree Style Tab

Are you uninterested in dropping keep an eye on over dozens of more than a few open tabs? Tree Style Tab will let you take keep an eye on of the madness.

Tree Style Tab Firefox extension
Tree Style Tab Firefox extension.

By the use of arranging your tabs into expandable “trees,” you’ll have the ability to keep follow of more than a few internet websites and pages as you move from side to side between tasks.

The extension automatically creates this tree in keeping with clever cues like search process, then again you’ll have the ability to freely edit it yourself.


  • Opens every search result in a brand spanking new child tab automatically.
  • Means that you can restructure the tree the use of drag-and-drop capacity freely.


  • In no way lose follow of a the most important internet web page while doing online research yet again.

8. Screenshot: Entire Web Internet web page Screenshots (FireShot)

If you want to grab full-page screenshots of an entire webpage, you’ll have the ability to use the FireShot extension.

FireShot Firefox extension
FireShot Firefox extension.

With this extension, you’ll have the ability to capture, edit, annotate, and save webpage screenshots as an image or PDF record with links and text.

It’s an easy approach of storing online research for your pc.


  • Grab partials or full-page webpage screenshots.
  • It’s going to provide the way to annotate with text, shapes, arrows, and icons.
  • Saves as pictures or PDF data with links and text.


  • Make atmosphere pleasant notes during online research of pageant, or improve your how-to guides with instructive screenshots.

9. Secure Browsing: Avast Online Protection

If you want to keep away from unhealthy web pages online, the Avast Online Security extension for Firefox can have the same opinion.

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It uses a crowdsourced library of web reputation scores that can assist you keep away from any fishy web pages, scams, or viruses.

Avast Online Security Firefox extension
Avast Online Protection Firefox extension.

It will let you keep away from phishing web pages, malware, and additional. It’s a truly best possible extension while you care about online privacy and protection — and who doesn’t these days?


  • It’s serving to you keep away from identified phishing scams and malware web pages the use of crowdsourced data.
  • Means that you can check the ranking of any internet web site in seconds.
  • It’s going to provide the way to rate internet websites on their trustworthiness.


  • Use the former opinions of 400+ million Avast consumers to reduce your exposure to scams and malware.

10. Eye Protection: Dark Reader

Do pages with white backgrounds hurt your eyes over the years as you stare at screens all the way through your workday? Thankfully, you no longer will have to undergo this if a internet web site doesn’t offer dark mode.

With the Firefox extension Dark Reader, you’ll have the ability to turn on dark mode for any internet web page, despite the fact that the websites don’t offer it.

Dark Reader Firefox extension
Dark Reader Firefox extension.

It’s so a lot more simple on the eyes, in particular while you use the browser for artwork or research into the evening time hours.


  • It’s going to provide the way to turn on dark mode for every internet web site on the internet.
  • Means that you can adjust brightness, sepia filter, font settings, and additional.


  • Cut back the stress for your eyes from prolonged web surfing with dark mode on every internet web site.

11. Web Building and Design: Stylus

Whilst you’re a web developer or web type fashion designer, the Stylus extension may just make your browsing revel in a lot more crowd pleasing.

It lets you freely redesign your favorite internet websites the use of your personalized CSS stylesheets.

tylus Firefox extension
tylus Firefox extension.

Truly really feel like a blog doesn’t have enough white house? You’ll have the ability to add it yourself. Don’t like the color schemes on a dialogue board or subreddit? You’ll have the ability to industry it to suit your tastes upper.

Stylus will provide you with the creative freedom to make the web pages you’ve interplay with seem to be you want them to appear.


  • Means that you can create custom designed matter issues.
  • Accommodates difficult choices like no longer necessary layouts, color and icon possible choices, and additional.
  • It’s going to provide the way to arrange matter issues from other designers and developers.
  • Backs up all your designs with the click of a button.


  • Make the web seem to be you want it to appear, and recuperate at web design while doing it.

12. YouTube Experience: Enhancer for YouTube

Are you not happy with the typical YouTube individual revel in? Do you want additional choices like automatic prime quality selection and the power to use the mouse wheel to keep an eye on amount?

Enhancer for YouTube provides all that and additional.

Enhancer for YouTube Firefox Extension
Enhancer for YouTube Firefox Extension.

It’s going to provide you with normal keep an eye on over your own revel in on YouTube, along side whether or not or no longer you want to take a look at advertisements for specific channels. Whether or not or no longer you’re creating a YouTube channel or doing a little video marketing on YouTube, this extension is a solid one to have.

You’ll have the ability to create custom designed shortcuts for keyboard and mouse buttons and building up the optimal individual revel in to your self.


  • Means that you can prepare custom designed keyboard and mouse shortcuts for 30+ different functions.
  • It’s going to provide the selection to make a choice your most well liked video prime quality and other settings for all motion pictures.


  • Revel within the optimal YouTube individual revel in that you simply create yourself.

Although it’s out of place some recognition, Firefox remains to be top-three in the world in the case of browser market share.

And it’s clear why whilst you assessment the extension library — there are literally thousands of extensions available for every purpose. The 12 we coated above are merely a place to begin.

Don’t be afraid to seem the library on your own and to seek out the Firefox extensions that you need to make your life more straightforward.

If there’s any functionality you’re missing in Firefox, the chances are that you can add what you need through an extension 😲 See the best options in this guide 👀Click to Tweet


Extensions exist that can assist you get any longer capacity that Firefox doesn’t offer thru default. You’ll have the ability to combine’n’fit loads of more than a few possible choices until you create your optimal browsing revel in.

Hopefully, our report of tips helped you get some ideas for what areas you’ll have the ability to industry and improve. With the fitting extensions, you’ll have the ability to stay extra protected, be additional atmosphere pleasant, and get additional problems completed online.

Tell us about a couple of of your favorite Firefox extensions throughout the statement section beneath.

The post 12 Best Firefox Extensions and Add-Ons in 2021 appeared first on Kinsta®.

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