HTTPS Encryption – Forces websites to use only HTTPS encryption so no one else can ‘see’ it.This is also available in Chrome via Ctrl + Shift + T (so-called Incognito Mode). Stealth Mode – Surf web without leaving any trace on your local drive like cookies or history.This is also available in Chrome (Settings » Privacy and security » Send a “Do Not Track” request with your browsing traffic), but by default it’s disabled. Anti-Tracking – Sets Do Not Track settings to tell websites to don’t collect information about your visit.Anti-Phishing – Blocks dangerous websites and files before you even visit/download them.Anti-Fingerprinting – Hides real information about your browser (version, extensions, etc.), so no one can identify you or track you.Flash Blocker – Automatically blocks any Flash technology from running.Adblock – By default browser has installed and enabled the popular extension for blocking all website ads.

Unfortunately, it doesn’t work with Facebook You can even select a quality of the video.

Video Downloader – This is a very cool feature which allows you to download a video from the popular video sites (YouTube, Vimeo, Dailymotion, etc.).

Opens an isolated session for banking and shopping online where no one can steal (for example using keylogger) your personal data.

Bank Mode – Very popular feature which was available also in the outdated Avast SafeZone Browser.

Integration with Avast – Browser is sort of integrated with Avast Antivirus,Avast SecureLine VPN, and Avast Passwords, so you can scan your computer or connect to VPN server.

I am using Avast, but, following your second method, I was able to download the extension using Safari and install it directly in Firefox from the downloaded file. Thank you so much for the prompt and detailed explanation. Extensions are currently not supported in the Microsoft Edge browser. Avast Passwords is currently available for Google Chrome and Mozilla Firefox, and is included in Avast Secure Browser by default. Avast Passwords for Windows and Mac - FAQs.

Avast firefox extension