Unlike many "free" VPN extensions on the Chrome Web Store that limit you to 500MB per day, Opera’s built-in proxy is unlimited.

: Click Advanced in the left sidebar, then click Features .

Opera has a (not a proxy):

If you have a proxy like 123.45.67.89:8080 :

While Opera’s proxy hides your IP address from the websites you visit, it is not a total system lock. If you are looking for high-level anonymity (whistleblowing or torrenting), be aware of .