80-level Web Security
These addons will bring more security, privacy and encryption features. Some of them may be used with Tor Browser or VPN's. Proxy and VPN addons are NOT included.
- 17
- Add-ons
- Anon
- Creator
- Apr 8, 2021
- Last updated
CSS Exfil Protection
Guard your browser against CSS Exfil attacks! CSS Exfil is a method attackers can use to steal data from web pages using Cascading Style Sheets (CSS). This plugin sanitizes and blocks any CSS rules which may be designed to steal data.
Rated 4.8 out of 5Mike Gualtieri
1,571 users
PassLok for Email
High security email encryption for Gmail, Yahoo, and Outlook online. PassLok is in no way associated with those services. Easy to use, powerful extension, which includes message hiding, forward secrecy and attachments, and runs also on Chrome.
Rated 4.5 out of 5F. Ruiz
50 users
PassLok Privacy
High security asymmetric encryption for text, files and chat. You keep the Key secret and give out the matching Lock
Rated 5 out of 5F. Ruiz
4 users
Luminous: JavaScript events blocker
An extension to identify, analyze and block code execution and event collection through JavaScript in your browser.
Rated 4.2 out of 5gbaptista
62 users
Blockchain DNS
Resolves domains from decentralized blockchain name systems using BDNS public web API. Currently supported TLDs are: .bit (Namecoin), .lib .bazar .coin .emc (Emercoin).
Rated 4.3 out of 5Firefox user 13228151
988 users
wow-dpi
Extremely simple “workaround” bypassing russian site blacklist without need to use proxies, TOR, etc. NOTE! This addon works ONLY with some ISPs like ros****kom and only for HTTP. This addon probably will not work if you use HTTP proxy.
Rated 5 out of 5Firefox user 12716487
20 users
First Party Isolation
This add-on enables the First Party isolation pref. Clicking the Fishbowl icon temporarily disables it.
Rated 4.1 out of 5freddyb
2,505 users
Mystique-FF
This Add-on produces background traffic while you are normally surfing the web, obscuring your real user profile by opening websites at random. There are options that let you define how much and what sort of traffic this Add-on produces.
There are no ratings yetFirefox user 13041634
0 users
NoScript Security Suite
The best security you can get in a web browser! Allow potentially malicious web content to run only from sites you trust. Protect yourself against XSS other web security exploits.
Rated 4.4 out of 5Giorgio Maone
305,381 users
WebAPI Manager
**This project is currently un-maintained. Please email if you're interested in co-maintaining the project.** Improves browser security and privacy by controlling page access to the Web API.
Rated 4.9 out of 5Peter Snyder
109 users
uBO-Scope
A tool to measure your 3rd-party exposure score for web sites you visit.
Rated 4.7 out of 5Raymond Hill
860 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
265,416 users
Signed Pages
Verifies PGP signed pages for extra security against malicious or breached servers.
Rated 4.3 out of 5Tengu
48 users
SeeOnce Privacy
High strength end-to-end encryption with perfect forward secrecy for your favorite email, plus real-time secure chat
Rated 5 out of 5F. Ruiz
4 users
Mailvelope
Enhance your webmail provider with end-to-end encryption. Secure email communication based on the OpenPGP standard.
Rated 4 out of 5Mailvelope GmbH
30,018 users
uBlock Origin
Finally, an efficient wide-spectrum content blocker. Easy on CPU and memory.
Rated 4.8 out of 5Raymond Hill
7,872,253 users
uMatrix
Point & click to forbid/allow any class of requests made by your browser. Use it to block scripts, iframes, ads, facebook, etc.
Rated 4.8 out of 5Raymond Hill
21,622 users