Must Have
- 19
- Add-ons
- Bar
- Creator
- 18 Feb 2023
- Last updated
Video DownloadHelper
The easy way to download and convert Web videos from hundreds of YouTube-like sites.
Rated 4.3 out of 5mig
1,968,968 users
46,626 users
Motivation
Replace new tab page with Motivation. Once installed, enter your date of birth and then, every time you open a new tab, a live calculation of your age will appear. Click to preview: https://motivation-new-tab.github.io/
Rated 4.4 out of 5Dmytrii Lysak
394 users
English Popup Dictionary
An English Dictionary for Firefox Quantum which gives meaning of a word which is double-click selected on a webpage.
Rated 3.8 out of 5krv5vignesh
1,620 users
Bitwarden Password Manager
At home, at work, or on the go, Bitwarden easily secures all your passwords, passkeys, and sensitive information.
Rated 4.8 out of 5Bitwarden Inc.
737,299 users
ZeroWiki
This extension makes your browser load Wikipedia content from one of the available Wikipedia mirrors, instead of wikipedia.org.
Rated 4.6 out of 5Halil İbrahim Kayım
57 users
Wayback Machine
Welcome to the Official Internet Archive Wayback Machine Browser Extension! Go back in time to see how a website has changed through the history of the Web. Save websites, view missing 404 Not Found pages, or read archived books & papers.
Rated 3.9 out of 5Internet Archive
29,751 users
1,233,347 users
Native MathML
Force MathJax/KaTeX/MediaWIki to use native MathML rendering.
Rated 4.8 out of 5Frédéric Wang
1,401 users
Download Links
This add-on autodetects direct links of audio, video, images, text, zip files in the webpage and offers great deal of additional customisation before download. Any issues, suggestions reach out to developer. It's free for general public use.
Rated 3.9 out of 5Prabhu
2,288 users
Decentraleyes
Protects you against tracking through "free", centralized, content delivery. It prevents a lot of requests from reaching networks like Google Hosted Libraries, and serves local files to keep sites from breaking. Complements regular content blockers.
Rated 4.8 out of 5Thomas Rientjes
265,940 users
Cookie AutoDelete
Control your cookies! This WebExtension is inspired by Self Destructing Cookies. When a tab closes, any cookies not being used are automatically deleted. Keep the ones you trust (forever/until restart) while deleting the rest. Containers Supported
Rated 4.6 out of 5CAD Team
234,358 users
Archiveror
The archiving companion. Archive webpages on archive.is, archive.org, perma.cc or webcitation.org to make online backups of the pages you love, preventing dead links. Archiveror automatically archives your bookmarks.
Rated 5 out of 5Rahiel Kasim
283 users
Grammarly: AI Writing and Grammar Checker App
Improve your writing with Grammarly's assistance. Get spell check, grammar check, and punctuation check in one tool. Real-time suggestions for improving tone and clarity help ensure your writing makes the impression you want.
Rated 4.1 out of 5Grammarly
804,342 users
Vimium
The Hacker's Browser. Vimium provides keyboard shortcuts for navigation and control in the spirit of Vim.
Rated 4.8 out of 5Phil Crosby
35,792 users
208,115 users
Eksi Sozluk Normallestirici
Ekşi Sözlük renklerini orijinal haline döndürür
Rated 4.7 out of 5Firefox user 12143048
19 users
uBlock Origin
Finally, an efficient wide-spectrum content blocker. Easy on CPU and memory.
Rated 4.8 out of 5Raymond Hill
7,896,455 users
213,751 users