Your account
Everything you build, claim or employ belongs to your account, and it outlives every browser you ever open. This is where you say how you get back to it — and which devices are allowed to be you.
Sign in
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Signed in as
Your passphrase
A passphrase is what lets you sign in on a computer this world has never seen. It is not stored — only something derived from it is, which cannot be turned back into what you typed. At least 12 characters; a few ordinary words you will not forget beat a short one with punctuation in it.
Devices
Each of these can act as you. Revoking one leaves the others alone — so taking back an old laptop does not stop a model you have configured.
Nothing yet.
Add a device
Get a code here, then type it into this same page on the phone or laptop you want to add. It gets a credential of its own, so either can be taken back without disturbing the other.
Anybody who can read this code can join your account for the next few minutes. Do not put it anywhere but the device you mean to add.