List of Firefox add-ons with Updated 60-90 days ago

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Updated 60-90 days ago

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Add-ons (also known as extensions) are small programs that run inside web browsers like Mozilla Firefox. They add extra features to the browser without having to download anything new. You can use extensions to make browsing faster, easier, and safer. Some extensions even let you do things like translate text on websites, search the web, and play games.

There are over 28,000 Firefox-addons and 480,000 themes, making it hard to find the best ones. so we have created a way to sort through all of them. Use the dropdown above to set different filters. Add-ons are sorted by number of active users.

To set even more advanced filters, and sort the Firefox add-ons differently, please visit our Advanced search tool. Note that Advanced search tool is only available to premium members.

#1, TWP - Translate Web Pages

Filipe Ps

Translate your page in real time using Google or Yandex. It is not necessary to open new tabs. Now works with the NoScript Extension.

#2, English United States Dictionary

Jorg K

English United States (en-US) Dictionary as shipped with Firefox 115 ESR.

#3, I don't care about cookies

Gen Digital Inc.

Get rid of cookie warnings from almost all websites!

#4, 1Password: Password Manager

1Password

The best way to experience 1Password in your browser. Easily sign in to sites, generate passwords, and store secure information, including logins, credit cards, notes, and more.

#5, Simple Translate

sienori

Quickly translate selected or typed text on web pages. Supports Google Translate and DeepL API.

#6, YouTube High Definition

Baris Derin

YouTube High Definition is a powerful tool that automatically plays all YouTube videos in HD, changes video player size, offers auto-stop and mute, and much more.

#7, Tab Session Manager

sienori

Save and restore the state of windows and tabs. It also supports automatic saving and cloud sync.

#8, Read Aloud: A Text to Speech Voice Reader

LSD Software

Read out loud the current web-page article with one click. Supports 40+ languages.

#9, Redux DevTools

timdorr

DevTools for Redux with actions history, undo and replay.

#10, Sidebery

mbnuqw

Tabs tree and bookmarks in sidebar with advanced containers configuration.

#11, Augmented Steam

IsThereAnyDeal

Augments your Steam Experience

#12, Trusted Shops extension

Trusted Shops GmbH

Safe online shopping

#13, DeepL Translate: Reading & writing translator

DeepL

Translate while you read and write with DeepL Translate, the world’s most accurate translator.

#14, View Image

Joshua B

Re-implements the google image, "View Image" and "Search by Image" buttons.

#15, Webmail Ad Blocker

Jason Savard

Remove advertising clutter from your web-based email. Expand your viewable area by blocking and removing ads on the right-hand side of the screen when using Gmail, Hotmail, Outlook.com and Yahoo Mail.

#16, Privacy Pass

Privacy Pass Team

Client-side of the Privacy Pass protocol providing unlinkable cryptographic tokens.

#17, Alternate Player for Twitch.tv

Alexander Choporov (CoolCmd)

Alternate player of live broadcasts for Twitch.tv website.

#18, マイナポータル

デジタル庁

様々なオンライン行政サービスで、マイナンバーカードを利用するためのアプリケーションです。

#19, Tab Stash

Josh Berry

Easily save and organize batches of tabs as bookmarks. Clear your tabs, clear your mind. Only for Firefox.

#20, DocsAfterDark - Google Docs Dark Mode

waymondrang

Modern, dark mode for Google Docs

#21, ModHeader

ModHeader

Add and modify the HTTP request headers and response headers. Use ModHeader to: - Add / modify request and response headers - Add / modify cookies - Multi-profile support - Filtering based on URL, tab, or window - Export and share profiles

#22, Pearltrees

Pearltrees

Pearltrees lets you organize everything.

#23, SimpleLogin: Open-source Email Protection

SimpleLogin & Proton Pass team

Create a different email for each website to hide your real email. Guard your inbox against spams, phishing. Protect your privacy.

#24, Bookmarks Organizer

Sören Hentzschel

With the Bookmarks Organizer it's easy to put order in your bookmarks. The Bookmarks Organizer finds no longer working bookmarks, redirects, duplicates and more!

#25, Yandex Evolution

Savevur

Popular Russian search engine by Yandex (Яndex, Яндекс)