Popup Blocker Ultimate
Best Pop-up Blocker for Firefox. (Best in Rating, Performance, This addon does NOT collect user's data same as Poper Blocker)If your Firefox version is not 57+ please install version 8.1 from Official website.
61,375 users
Cookie-Editor
Cookie-Editor lets you efficiently create, edit and delete a cookie for the current tab. Perfect for developing, quickly testing or even manually managing your cookies for your privacy.
61,105 users
Startpage Privacy Protection
By installing the free Startpage Privacy Protection extension you will be able to stop trackers and cookies and set Startpage as your default search engine.
57,394 users
Free VPN Proxy & Ad Blocker - Planet VPN
Unblock access to any website with our free VPN proxy Mozilla extension - Planet VPN
51,862 users
Keeper® Password Manager & Digital Vault
Protect and autofill passwords with the world's most trusted and #1 downloaded secure password manager and digital vault.
49,840 users
Proton Pass
Free and unlimited password manager to keep your login credentials safe and manage them directly in your browser.
47,200 users
VPN
Time to Level Up Privacy with SandVPN: FREE, FAST, UNLIMITED PROXY! Bypass Geo-Blocking and be free and anonymous online
42,917 users
Buster: Captcha Solver for Humans
Save time by asking Buster to solve captchas for you.
30,521 users
Kee - Password Manager
Save time, sign in easily to websites and avoid the hassle of forgotten password resets. Protect yourself and people you know from the nightmare of your accounts being hacked.
28,480 users
VPN add-on
Anonymous, secure and unrestricted VPN service! Unblock websites and access unlimited content with a free VPN by uVPN
27,145 users
NordPass® (desktop app version)
The NordPass password manager offers an easy way to safely store and manage all your passwords in an encrypted vault. Autofill forms effortlessly and log in to your favorite websites instantly. All key features to simplify your life.
26,856 users
Silk - Privacy Pass Client
Client support for Privacy Pass anonymous authorization protocol.
24,286 users
Avira Password Manager
Avira Password Manager saves, manages, and syncs all your passwords across all your devices.
22,731 users
Passbolt - Open source password manager for teams
Passbolt is an open source password manager designed for collaboration. Securely create, manage and monitor your passwords. Share them instantly with your team.
22,165 users
Privacy Extension For WhatsApp™ Web
The Privacy Extension For WhatsApp™ Web hides your messages from unwanted glimpses until you hover over them. In the search bar, you can disable the blur effect on all messages manually and specify what elements to blur.
21,818 users
NordPass® Password Manager & Digital Vault
NordPass is your freedom from password stress. Generate and securely store strong passwords and autofill them with a single click.
20,166 users
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
19,710 users
Proton VPN: a Swiss VPN you can trust
Secure your internet and protect your online privacy in one click.
17,157 users
Nervenschoner
Der Blocker der Verbraucherzentrale zaubert Cookie und Einwilligungs Banner einfach weg.
14,721 users
Enpass Password Manager
Enpass extension autofills logins, passwords, credit cards and identities from the Enpass desktop application.
13,831 users
Sticky Password manager & safe
Never forget a password again. Sticky Password manager saves them securely and types them for you as you browse. Automatically!
12,759 users
Flag Cookies
A cookie, and browser storage manager with cow powers!
11,889 users
SQLite Manager
manage, edit, manipulate, plot and save one or multiple SQLite databases simultaneously
10,599 users
Seznam Doplněk – Esko
Zkrátí cestu na Seznam.cz a ochrání vás před podvodnými stránkami.
10,195 users
You.com | The Search Engine You Control
Sets Firefox's default search engine to You.com
9,432 users