BurnerFill spots signup forms, drops in a disposable inbox and a strong password, then grabs the verification code the moment it lands. Your real email never leaves your hands.
Each one can be switched on or off in Settings.
One tap on the power button pauses everything. Pick the off screen you like: a blackout you hold to wake, a wall switch to flip, or a shutter to raise.
Everything stays in your browser's local storage. The only outside service is tempmail.lol, which creates the inboxes.