However, users must understand the trade-off: You are trading a piece of your identity correlation (Google knowing you use Opera) for the convenience of not managing another password.
In the modern digital ecosystem, the browser is no longer just a window to the internet; it is the operating system of our online lives. For a browser like Opera—a feature-rich, Chromium-based veteran competing against giants like Chrome, Edge, and Firefox—user retention and seamless onboarding are paramount. One of the most strategic tools in achieving this is the "Login with Google" feature. opera login with google
Opera’s backend server exchanges this code for an ID token and an access token. The ID token (a JWT) contains the user’s verified email address and name. However, users must understand the trade-off: You are
Google displays a screen asking, "Opera would like to: View your email address, view your basic profile info." Note that Opera does not ask for Google Drive access or Gmail reading permissions—only OpenID Connect (OIDC) scopes (openid, email, profile). One of the most strategic tools in achieving