Ref: KBN123456 Metamask log in available on your web browser, but please make sure that you keep your backup phrase safe with you and never disclose this to anyone. If somehow someone knows your Backup phrase, then they will be able to access your wallet and steal all your data and once you lose it, then the MetaMask developers will not be able to recover it for you.
More details: MetaMask Login: Step By Step Process Guide
