predict.game Companion collects no personal data. It reads the public JSON API at https://predict.game/api/v1/ and, when you sign in on predict.game, sends your own predictions to your account there using the site's session cookie. It does not read or change any web page, does not see your browsing history, and does not sell or share data. Your settings stay in Firefox's extension storage. Your predict.game account is governed by the site's policy: https://predict.game/extension/#privacy