by ivanristic

15 Add-ons in this Collection

NoScript Security Suite by Giorgio Maone

Rated 5 out of 5 stars 1,465 reviews

2,243,314 users

The best security you can get in a web browser!
Allow active content to run only from sites you trust, and protect yourself against XSS and Clickjacking attacks.

SSLPasswdWarning by clarkn

Rated 4 out of 5 stars 15 reviews

29 users

A simple add-on to provide a modal dialog when the user clicks on a password input field that will transmit insecurely over a non-HTTPS connection. Designed to offer some protection against Man-In-The-Middle attacks like SSL Strip.

Force-TLS by Sid Stamm

Rated 4 out of 5 stars 41 reviews

14,687 users

Force-TLS helps you manage sites that must be loaded over HTTPS only. Strict-Transport-Security is built into Firefox, but without a UI; this lets you import/export and manage these settings.

Certificate Patrol by Carlo v. Loesch, tg(x), others

Rated 4 out of 5 stars 73 reviews

15,861 users

Your browser trusts many certification authorities and intermediate sub-authorities quietly, every time you enter an HTTPS web site. This add-on reveals when certificates are updated, so you can ensure it was a legitimate change.

CipherFox by Gavin Lloyd

Rated 4 out of 5 stars 27 reviews

6,719 users

Displays the current SSL/TLS cipher, protocol and certificate chain in the Add-on bar and Site ID dialog

Perspectives by perspectives-cmu, dschaefer

Rated 4 out of 5 stars 44 reviews

6,321 users

Connect securely to https websites by checking certificates with network notaries. See

Cert Viewer Plus by Kaspar Brand

Rated 5 out of 5 stars 5 reviews

5,161 users

Certificate viewer enhancements: PEM format view, file export, trust configuration

Export All Certificates by simosx

Rated 5 out of 5 stars 1 review

585 users

Adds an option to export all root certificates.

MitM Me (Cert Error Bypass) by andras.tim

Download Now


Rated 5 out of 5 stars 13 reviews

713 users

For IT admins who want very much to click through thousands of self-signed certificate warnings and get MitM attacked, this simplifies the process.

Development was discontinued, for details please read "About"

Certificate Watch by simosx

Rated 3 out of 5 stars 4 reviews

568 users

Informs you when digital certificates for secure websites are used.

Safe by cdolivei

Rated 4 out of 5 stars 12 reviews

721 users

Makes SSL and extended SSL more visible to the user

Cert Alert by chihchun

Download Now


Not yet rated

121 users

A extension to notify users when downloading any content from SSL sites issued by harmful authorities.

Expiry Canary by gerv

Rated 5 out of 5 stars 4 reviews

181 users

An extension to warn about nearly-expired website SSL certificates.

Monkeysphere by micahanderson, dkg

Download Now


Not yet rated

415 users

Want an alternative to the centralized certificate authority scheme? This add-on gives you the capability to validate HTTPS-enabled websites via the OpenPGP Web of Trust instead of depending on X.509 certificate authorities!

Petname Tool by Tyler Close

Rated 4 out of 5 stars 14 reviews

70 users

Need help avoiding phishing and spoofing attacks? The Petname Tool can help you avoid online fraud by clearly distinguishing your online relationships.

What are Collections?

Collections are groups of related add-ons that anyone can create and share.

Explore Collections

More by this User

See all collections by this user

Recently Viewed