- Click the «Tor» button to see what data is visible to eavesdroppers when you’re using Tor. The button will turn green to indicate that Tor is on.
- Click the «HTTPS» button to see what data is visible to eavesdroppers when you’re using HTTPS. The button will turn green to indicate that HTTPS is on.
- When both buttons are green, you see the data that is visible to eavesdroppers when you are using both tools.
- When both buttons are grey, you see the data that is visible to eavesdroppers when you don’t use either tool.
- Potentially visible data includes: the site you are visiting (SITE.COM), your username and password (USER/PW), the data you are transmitting (DATA), your IP address (LOCATION), and whether or not you are using Tor (TOR).
![](https://www.eff.org/files/tor-https-0.png)
![](https://www.eff.org/files/tor-https-1.png)
![](https://www.eff.org/files/tor-https-2.png)
![](https://www.eff.org/files/tor-https-3.png)
NSA Spying
EFF is leading the fight against the NSA’s illegal mass surveillance program. Learn more about what the program is, how it works, and what you can do.