Check if your ciphered WEB traffic is intercepted

We propose an user-friendly addon that allows you to check if your encrypted web traffic (SSL/TLS) towards secured Internet servers (HTTPS) is not intercepted (being listened to).

To check your https, visit an HTTPS website (like, then click on the gray lock.

Get the extension

Firefox Chrome Internet Explorer

Current version : 3.0.8

Gray button : work in progress for Chrome and Internet Explorer