IDN Safe is a browser extension which blocks internationalized domain names to prevent you from visiting probable fake sites.
Switch between no proxy and Tor , blocks some common attacks and trackers and more !
Block bad iFrames
This extension removes bad iframes, which are used to cheat
G URL Shortener
Easily shorten desired urls via Rebrandly API.
Flexible password generator using a cryptographic hash algorithm of your choice - Fully Compatible with PasswordMaker.org
MetaCert: Internet Security (Website Identity)
Internet security for teams, remote workers and families.
Retrieve and store Mooltipass credentials easily from websites
Block third-party or all resources of style, script, image, font, xmlhttprequest types
Automatically blocks all pages from any website that is not in your list of allowed websites.
Google™ Hangout Seen Blocker
Google™ Hangouts Seen Blocker allows you to read your hangouts without notifying the sender.
Encryption of personal correspondence in social networks.
History Limiter Custom Refresh
Limits the number of items the browser will keep in history by days. Cosmetic refresh of iron2000's work. Broom icon by Roundicons.
Announce your preference to see nothing but vanilla content
Premiumize.me extension for Opera
Twitter Redirect Fixer
Twitter adds redirection to all shared links to learn what links you click. This extension removes redirection (Twitter + 3rd-party) to protect your privacy. As a side-effect, all links will load faster.
Intuitive Password - Quick Login
Intuitive Password® helps you log into any website with a single mouse click.
MD5 Lock - Password Securer
Secure your passwords.
Workspace Crypto Extension
DeepVault extension allows you to verify your files and documents. You can know when a file/document has been altered or changed. DeepVault add-on works with the DeepVaultOnline API from https://deepvaultonline.com/ using blockchain technology.
PunyCode Domain Detection
This extension attempts to detect PunyCode domain phishing attack
Secure password aggregator.
Dalenryder Password Generator Addon
A simple extension that allows you to generate passwords in your webbrowser.
PfP: Pain-free Passwords
Use a single master password to generate secure passwords for all websites - without losing track of passwords you cannot change.
Provides website information such as Rank, and checks URLs against suspected pages.